The making of an ultimate GN250

[Dean]

Hello Gn250 owners/enthusiasts, this one right here has had some accessories done to it today.
Installed.
- Tom tom GPS, mount. (All hands free setup waterproof)
- I phone, mount.
- Predator lights.

So now the rider can have the luxury of mapping out the destination, or finding out where the next speed camera is (even though it is a GN). While ringing up Cycle Treads saying "is your refrigerator running":whistle: or calling yourself "mutumbi" demanding cycle treads deport your family back to Nigeria:lol:. Also the stock Gn250 light is very bad so the two predator lights give it that extra sight at night. With an easy on/easy off mount, plus another mount for the video camera which I will post a pic of a bit later on.

This pic shows the current installments.
http://i48.tinypic.com/2ylwzg9.jpg

Here is the video of the bike and a step by step guide on wiring up the GPS. Showing the lights too.

<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/qTReO-A0VOE&hl=en_US&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/qTReO-A0VOE&hl=en_US&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>

Future plans
- Turbo:2thumbsup
- NOS:2thumbsup
-Paint, powder coat mount
To the point where it is crazy fast for a GN, and hopefully in a private location there might be some good footage. A fire breathing Gn250.

Forget CBD anger this is the shizz for touring.

[White trash]

Ummmm, sorry mate, but what you've done there is added accessories, not "modified".

[cave weta]

whoa dont show Carver!

Is this the ultimate adventure bike?

[wbks]

WHERE ARE THE WHEELiES

[Crasherfromwayback]

Future plans
- Turbo:2thumbsup
- NOS:2thumbsup
-Paint, powder coat mount
To the point where it is crazy fast for a GN, and hopefully in a private location there might be some good footage. A fire breathing Gn250.

Forget CBD anger this is the shizz for touring.

And I'm about to take off for the moon.

[pc220]

Why why why.:oi-grr:

[centaurus]

Future plans
- Turbo:2thumbsup
- NOS:2thumbsup
-Paint, powder coat mount
To the point where it is crazy fast for a GN, and hopefully in a private location there might be some good footage. A fire breathing Gn250.

Forget CBD anger this is the shizz for touring.

Isn't the additional weight of the tomtom and the camera reducing your top speed? :whistle:

Let me know when you put turbo and. I want to see a GN desintegrating at moderate speeds (even with turbo you can't make a GN go at high speeds :dodge: )

As for nos, you can always try a cheaper option with exactly the same outcome: put it on the bonfire :lol:

[wbks]

http://cgi.ebay.co.uk/-GN300-GN250-BIG-BORE-cylinder-Improve-performance_W0QQitemZ280438599111QQcmdZViewItemQQi msxq20091215?IMSfp=TL091215156002r24171

[Dean]

You see thats the beauty of it.

A bike no one likes.

A slow bike.

A crappy bike.

Yet we gave it a chance, took its hand, pulled it out of the dumpster and said "we are going to make you something". That is what makes this project unique.

It actually cruises at 120kph well, before it was struggling to keep to 100 on the open road. Im tempted to make some wheelie vids but it depends.

[EJK]

I'm guessing you'll need to bump/kick start the bike every morning? :lol:

[White trash]

You see thats the beauty of it.

A bike no one likes.

A slow bike.

A crappy bike.

Yet we gave it a chance, took its hand, pulled it out of the dumpster and said "we are going to make you something". That is what makes this project unique.

It actually cruises at 120kph well, before it was struggling to keep to 100 on the open road. Im tempted to make some wheelie vids but it depends.
Show us you doing a proper wheelie on it sonny, I'll pay you money.

Even got a venue if you wanna stay off public roads.

[YellowDog]

Forget the mods or accessories:

WHAT AN AWESOME SOUNDING ENGINE !!!!

(pitiful)
:rofl:

[EJK]

Hold on. You added GPS and stuffs and that increased the bike's topspeed from 100kph to 120kph?

[breakaway]

I'm surprised the alternator didn't explode from all the extra load of the 'accessories' like the lights and charger etc.

[wbks]

Show us you doing a proper wheelie on it sonny, I'll pay you money.

Even got a venue if you wanna stay off public roads.arent there videos on youtube of you doing highchairs and stuff at the cliffhanger? Maybe you can do it?:2thumbsup

[Ronin]

Im tempted to make some wheelie vids but it depends.

Please, I beg you. DOOO IT!!!!!

[Slyer]

Show us you doing a proper wheelie on it sonny, I'll pay you money.

Even got a venue if you wanna stay off public roads.
I wheelied my GN125 at riderskills while doing my basic handling skills test, true story.
Purely by accident though...

[wbks]

I wheelied my GN125 at riderskills while doing my basic handling skills test, true story.
Purely by accident though...pretty good basic skills, then?:dodge:

[Maha]

Turn a GN into something like these and they may get a head turn or two.

[wbks]

Turn a GN into something like these and they may get a head turn or two.Gay... Scrambler imposter!

[sparkles]

To the point where it is crazy fast for a GN, A fire breathing Gn250.


better get a Monster tach with shift light and hang it off the side of the fuel tank then

[The Everlasting]

Ah so you have the ginny and the Zeal dean?

[Dean]

better get a Monster tach with shift light and hang it off the side of the fuel tank then
Very nice suggestion sir! Thankyou for that, any one's on trademe you might have found?


Ah so you have the ginny and the Zeal dean?
I own the Zeal, Gn, cbt125 by law because everyone in my family got my hand-me-downs so we never bothered with the change of ownership papers.

[Hitcher]

Full marks on the enhancements! I've seen Goldwings with more spartan dashboards.

[wbks]

Very nice suggestion sir! Thankyou for that, any one's on trademe you might have found?


I own the Zeal, Gn, cbt125 by law because everyone in my family got my hand-me-downs so we never bothered with the change of ownership papers.Are you actually going to make a wheelie vid on it? You could at least try... Dropping it's no biggie. I'll film it!:2thumbsup

[The Pastor]

steam had the ultimate gn250, not you.

also forget the turbo/nos - drop in a gn400 engine (i think you might be able to just use the piston/cyliner/head and go up a jet size on the carb) then maybe bore it out to a gn500.

chuck some wider bars on it, upgrade the susspension and brakes,

and then you might have an ultimate gn.

[sparkles]

http://www.trademe.co.nz/Trade-Me-Motors/Car-parts-accessories/Performance/Gauges/auction-262267050.htm


yourll just have to put a plastic bag over it when it rains :D

[Dean]

Are you actually going to make a wheelie vid on it? You could at least try... Dropping it's no biggie. I'll film it!:2thumbsup

Easy tigers I dont have permission to, if the moment presents itself I will head over to a mates place in the morning and make a video rather with someone more experienced than I. Id try on my zeal.

Renegade master: The making of the ultimate Gn, "making".

[wbks]

Easy tigers I dont have permission to, if the moment presents itself I will head over to a mates place in the morning and make a video rather with someone more experienced than I. Id try on my zeal.

Renegade master: The making of the ultimate Gn, "making".I'm more experienced than ya, smartass:girlfight:

[Dean]

I'm more experienced than ya, smartass:girlfight:

No I didnt mean it like that, a person who my step dad trusts who is more experienced than I.

[wbks]

No I didnt mean it like that, a person who my step dad trusts who is more experienced than I.did you get a mirror, then?

[Dean]

did you get a mirror, then?

Sadly no :(
I emailed a bike wrecker but they havent replied even though I was talking to them on the phone seconds before I sent the email. Couldnt get a hold of cycle treads today, been ringing four times and still no one picked up. Have to go in tommorow.

[huff3r]

Definitely get new bars... some straighter moto-x style bars would make it much better to ride, and perhaps modify the footpegs/brake/gear-lever to give it a better riding position... so much to improve, so many possibilites :lol:

[220 Ohms]

Be careful with your new mirror when you get one.
I don't know if anyone has told you but GN mirrors are not meant to be pointed at the bike itself, by doing so will cause them to crack and you'll be back at square one.

One excellent speed modification you should consider is installing a steep hill/cliff underneath the bike and for a few extra HP attach a tail wind to it as well.

[FROSTY]

Ya know what though he might be onto something here.
one of those projects I've been thinking would be a total laugh would be to try to give a ginny some sort of cred.
I wonder if the dr250 cams fit and if theres hottish cams? Dump the factory multi skin exhaust and fit a single skin setup with reverse cone megaphone.
dump the factory seat,back fender maybee fit a bucket racetail. heck theyre cheap enough. a person could have fun with that kinda project.

[220 Ohms]

Ya know what though he might be onto something here.
one of those projects I've been thinking would be a total laugh would be to try to give a ginny some sort of cred.
I wonder if the dr250 cams fit and if theres hottish cams? Dump the factory multi skin exhaust and fit a single skin setup with reverse cone megaphone.
dump the factory seat,back fender maybee fit a bucket racetail. heck theyre cheap enough. a person could have fun with that kinda project.

If I had a GN my shopping list would be:
1 flat bars
2 flat tracker seat unit
3 matte black spray paint
4 10mm drill bit (for a few more holes in the end of the exhaust)

[davebullet]

You may strike it lucky and one of Cole, Harris, Stroud or Shiriffs might volunteer to be development riders for fine tuning midrange torque and top end speed.

[huff3r]

But.... i thought GNs were already ultimate? :bleh: :lol:

[Dean]

I like your thinking Frosty :)

A question to the pro's amongst here, I was told by a rider I could get a turbo for the GN is that possible, where could I get one and how much? Something to do with a briggs an stratton something. Flat bars are worth the money too.

[wbks]

I like your thinking Frosty :)

A question to the pro's amongst here, I was told by a rider I could get a turbo for the GN is that possible, where could I get one and how much? Something to do with a briggs an stratton something. Flat bars are worth the money too.I don't think there are any pre made gn turbo kits like there are for the busa:lol: Chances are you can't "get a turbo for a gn", you would just need to find a very small car turbo and do all the fab work yourself. Probably only a couple hundred max for the parts and materials, but you would need to have the tools and know how to do it, and it wouldn't be that simple to get it running well:banana:

[Dean]

I don't think there are any pre made gn turbo kits like there are for the busa:lol: Chances are you can't "get a turbo for a gn", you would just need to find a very small car turbo and do all the fab work yourself. Probably only a couple hundred max for the parts and materials, but you would need to have the tools and know how to do it, and it wouldn't be that simple to get it running well:banana:

:lol::lol:
Thankyou for informing me wbks, this whole time I thought there were ready made gn250 turbo kits that I could just walk into cycle treads or buy one of trademe:lol: *sarcasim*

[wbks]

:lol::lol:
Thankyou for informing me wbks, this whole time I thought there were ready made gn250 turbo kits that I could just walk into cycle treads or buy one of trademe:lol: *sarcasim*I thought so when you asked where could you get a turbo for a gn and mentioned "briggs and stratton" in the same sentence

[gatch]

I thought so when you asked where could you get a turbo for a gn and mentioned "briggs and stratton" in the same sentence

LOL. I hear B & S are big on factory turbed.. er.. products these days..

It would have to be the smallest turbo ever.. I think a tiny supercharger would be better, again if there as one small enough.

My buddy and I had talked a lot about a GN project, I told him all I'd do is strip EVERYTHING unnecessary off, lower the front end, gear it down and try wheelie it everywhere haha.

[wbks]

LOL. I hear B & S are big on factory turbed.. er.. products these days..

It would have to be the smallest turbo ever.. I think a tiny supercharger would be better, again if there as one small enough.

My buddy and I had talked a lot about a GN project, I told him all I'd do is strip EVERYTHING unnecessary off, lower the front end, gear it down and try wheelie it everywhere haha.
People on KB have posted project 125 buckets and turbo'd them, but I think it was more of a battery powered air blower/fan attached to the carb! Don't see why that wouldn't work... The fuel/air ratios would be crazy but maybe a rev counter could be attached to a variable resistor in between the "turbo" and the power source to make it run good? Listening, Dean?

[gatch]

If it was battery powered, then I imagine there would be either of 2 problems.

1. carrying charged batteries, electric motors are not awesome on power saving under load.

2. putting heaps of load on your already rubbish charging system..

I reckon on such a lame motor you would be better off with a second tank full of nitro methane :D Have a wee injector plumbed straight into the carb..

Or a pair of 20lb NOS bottles on the pillion seat..

[huff3r]

If it was battery powered, then I imagine there would be either of 2 problems.

1. carrying charged batteries, electric motors are not awesome on power saving under load.

2. putting heaps of load on your already rubbish charging system..

I reckon on such a lame motor you would be better off with a second tank full of nitro methane :D Have a wee injector plumbed straight into the carb..

Or a pair of 20lb NOS bottles on the pillion seat..

Ummm... heard of an electric supercharger? They use them on some cars.... works the same as a normal supercharger, except the extra load on the crank comes from the alternator, rather than an additional pulley...

[wbks]

If it was battery powered, then I imagine there would be either of 2 problems.

1. carrying charged batteries, electric motors are not awesome on power saving under load.

2. putting heaps of load on your already rubbish charging system..

I reckon on such a lame motor you would be better off with a second tank full of nitro methane :D Have a wee injector plumbed straight into the carb..

Or a pair of 20lb NOS bottles on the pillion seat..Yea, nos is the go, just have the bike wreckers number on speed dial. If they can do it for cheap 49cc pocket bikes you could do it for a gn!
Electronic fan as a turbo, run it on nitro and nos, and put some stickers on it...

[gatch]

Ummm... heard of an electric supercharger? They use them on some cars.... works the same as a normal supercharger, except the extra load on the crank comes from the alternator, rather than an additional pulley...

Yes I have, and if you took any notice of what I posted before, the average bike charging system is shit.. And would not handle the extra load..

[gatch]

Anyway, Dean hates GN's, so what is this all for ?

[wbks]

Anyway, Dean hates GN's, so what is this all for ?Showing everyone how rehabilitated he is

[huff3r]

Yes I have, and if you took any notice of what I posted before, the average bike charging system is shit.. And would not handle the extra load..

Yeah, that is a good point... but does a GN even put out enough exhaust with enough pressure to spin a compressor??? :lol:

It'd end up mighty quiet with the Turbo killing all the noise.... it's already bloody quiet!!

[gatch]

Yeah, that is a good point... but does a GN even put out enough exhaust with enough pressure to spin a compressor??? :lol:

It'd end up mighty quiet with the Turbo killing all the noise.... it's already bloody quiet!!

I doubt it would rev hard enough unless you gave it a bit of nitro/nitrous to get some more gas moving.. Or a tube he could blow into :lol:

[wbks]

Yeah, that is a good point... but does a GN even put out enough exhaust with enough pressure to spin a compressor??? :lol:

It'd end up mighty quiet with the Turbo killing all the noise.... it's already bloody quiet!!Like I said, if people have done it with 125 cc buckets it's possible with a 250cc gn

[gatch]

Like I said, if people have done it with 125 cc buckets it's possible with a 250cc gn

Depends entirely on how much gas comes out the exhaust.. Might be able to turb a 125 2 stroke ?

[wbks]

Depends entirely on how much gas comes out the exhaust.. Might be able to turb a 125 2 stroke ?It wasn't a two stroke. Like I said it was probably a battery powered one, and I'd imagine a small car battery fully charged would last quite a while!

[huff3r]

Depends entirely on how much gas comes out the exhaust.. Might be able to turb a 125 2 stroke ?

Yeah, especially with the GN's lazy low-revving torquey single...

Why turbo a bike that has decent torque anyway? Much better off turbo-ing something high-strung to give it a mid-range punch....

I doubt itd have any effect at all to be honest.... perhaps just make a decent ram-air setup? And skim the head/barrel to raise the compression a tad...

Add that to a half-decent exhaust and you might just.... have wasted over $2k :lol:

[huff3r]

It wasn't a two stroke. Like I said it was probably a battery powered one, and I'd imagine a small car battery fully charged would last quite a while!

Battery powered means its a supercharger not a turbo ;)

Only exhaust driven ones are turbo, difference being a turbo converts "wasted" energy into higher compression, whereas a supercharger "steals" energy from the crank (or a battery) to pump up the compression...

[wbks]

Battery powered means its a supercharger not a turbo ;)

Only exhaust driven ones are turbo, difference being a turbo converts "wasted" energy into higher compression, whereas a supercharger "steals" energy from the crank (or a battery) to pump up the compression...I see... I still think hooking up a blow drier with the heater taken out is the way to go:2thumbsup

[huff3r]

I see... I still think hooking up a blow drier with the heater taken out is the way to go:2thumbsup

Even better if you can hook up some sorta aircon ;)

Cold air is denser :bleh:

[gatch]

Even better if you can hook up some sorta aircon ;)

Cold air is denser :bleh:

Wire up the heater on the blow drier backwards :lol:

[huff3r]

Wire up the heater on the blow drier backwards :lol:

Just attach the motor on the hair drier to the chain? Probably quicker like that :lol:

I feel dirty, bad-mouthing the gorgeous GN :weep:

[rwh]

Is this the sort of thing you're after?

http://karting.4cycle.com/showthread.php?t=102420

Richard

[wbks]

Just attach the motor on the hair drier to the chain? Probably quicker like that :lol:

I feel dirty, bad-mouthing the gorgeous GN :weep:The GN250 is a hardmans ride, which is why all these pussies on KB badmouth them too much

[huff3r]

The GN250 is a hardmans ride, which is why all these pussies on KB badmouth them too much

Ahahaha well mine handled 400kms of twisties today no problem... but the damn sprotsbikes kep leaving me behind on the straights....

Threw it into plenty of corners with reckless abandon and it just said to me "is that it?"

Everyone else on the ride was genuinely impressed apparently :lol:

[wbks]

Ahahaha well mine handled 400kms of twisties today no problem... but the damn sprotsbikes kep leaving me behind on the straights....

Threw it into plenty of corners with reckless abandon and it just said to me "is that it?"

Everyone else on the ride was genuinely impressed apparently :lol:You'll ride fast on a more powerful bike, huh. The straights are what the NOS/hairdryer is for! Have you not been listening?

[huff3r]

You'll ride fast on a more powerful bike, huh. The straights are what the NOS/hairdryer is for! Have you not been listening?

Aha no. I'd probably last about 10mins on a more powerful bike. I'm thinking sloooow learning is good ;)

And yeah... i think the GN could benefit more from some aerodynamics, it gains 20+kph from going flat on the tank.... and new bars would definitely help with that, the reach is a little close. Also new pegs and modified gear/brake levers so they could be back another 3-5inches...

It would be fun doing all this, and itd end up a really decent bike. But at the end of the day, unless you've got wads of spare cash its all a bit pointless...

[wbks]

Aha no. I'd probably last about 10mins on a more powerful bike. I'm thinking sloooow learning is good ;)

And yeah... i think the GN could benefit more from some aerodynamics, it gains 20+kph from going flat on the tank.... and new bars would definitely help with that, the reach is a little close. Also new pegs and modified gear/brake levers so they could be back another 3-5inches...

It would be fun doing all this, and itd end up a really decent bike. But at the end of the day, unless you've got wads of spare cash its all a bit pointless...Fairings -Maybe expensive, but everything else people have mentioned (nos kits, rearsets, clipons, dropping the forks, and battery operated DIY blowers) are all pretty cheap. The Nos kits are a couple hundred max for pocket bikes, rearsets could be home made with some shitty metal and a mig, for clipons steal some off some shitter in the junkyard, and the rest is self explanatory. All that is fine but I'd feel a little silly on a gn with full fairings lmao

[The Pastor]

If I had a GN my shopping list would be:
1 flat bars
2 flat tracker seat unit
3 matte black spray paint
4 10mm drill bit (for a few more holes in the end of the exhaust)
suzuki already make that bike, its the tu250 tracker. looks hot as.

[Sidewinder]

and yes it is fucking gay

[wbks]

and yes it is fucking gaylol someone had to cut to the chase

[Sidewinder]

lol someone had to cut to the chase

no point beating around the bush

[bogan]

look, you're all going in the wrong direction here, turbo-ing, pffft, supercharging, better, but only with exposed throttle butterflys. But to go one step more awesome, put some pnuematic valve springs in there, get that fucker up to 20,000 rpm :done:

[Dean]

and yes it is fucking gay

Yes it is that's the whole point of the thread -turning a gay bike into a cool bike. And who better to make the bike cool then 'Deano extremo who drinks primo and eats burger kingo' tm.

[Sidewinder]

Yes it is that's the whole point of the thread -turning a gay bike into a cool bike. And who better to make the bike cool then 'Deano extremo who drinks primo and eats burger kingo' tm.

i duno man. its kinda making me go soft

[wbks]

no point beating around the bushLol, you do strike me as one to avoid the bush


look, you're all going in the wrong direction here, turbo-ing, pffft, supercharging, better, but only with exposed throttle butterflys. But to go one step more awesome, put some pnuematic valve springs in there, get that fucker up to 20,000 rpm :done:I like this one


And who better to make the bike cool then 'Deano extremo who drinks primo and eats burger kingo' tm.Someone who isn't gay?

[Sidewinder]

Lol, you do strike me as one to avoid the bush


Someone who isn't gay?
i like the bush, i like to dig deep.
everyones gay in some way, im just gay in alot of ways

[wbks]

i like the bush, i like to dig deep.
everyones gay in some way, im just gay in alot of wayslol you're inspirational, man!

[Dean]

i duno man. its kinda making me go soft

What bikes make you HARD.

:laugh: Honda's?

[Sidewinder]

What bikes make you HARD.

:laugh: Honda's?

no dark lill bois

[Dean]

no dark lill bois

:laugh: Man you crack me up, thanks for the laugh.

[Sidewinder]

:laugh: Man you crack me up, thanks for the laugh.

haha but is that realy your gn?

[220 Ohms]

I think it's great that you are carrying on the development of the GN from the Suzuki engineers, albeit with different objectives. While you are looking to make it perform better the original Suzuki designers and engineers had another goal, they were striving to be the first in the world to actually polish a turd and then sell it as a learner bike.

[Mountlocal1]

no point beating around the bush

Don't you mean beating off in the bush? :shifty:

[DarkLord]

That's pretty freakin' cool.

I want to see it with a turbo and a 10 inch wide debaffled can.

It should only run on nitrous and backfire every 3 seconds.

If this were to happen the levels of awesome would just be far too high for anyone to handle.

[The Everlasting]

That's pretty freakin' cool.

I want to see it with a turbo and a 10 inch wide debaffled can.

It should only run on nitrous and backfire every 3 seconds.

If this were to happen the levels of awesome would just be far too high for anyone to handle.


It wouldn't get a chance to backfire every 3 seconds,it would only run for 2 seconds..:lol:

[Dean]

Well due to too many people trolling this thread I wont update the results anymore, if you are generally interested you can pm me for further upgrades. To the guys mouthing off and trash talking you should be ashamed of yourselves.

[centaurus]

Well due to too many people trolling this thread I wont update the results anymore, if you are generally interested you can pm me for further upgrades. To the guys mouthing off and trash talking you should be ashamed of yourselves.

Now, don't get all upset now, Dean. We were just pulling your leg, without any bad intentions. I'm sure none of the guys meant anything with their banter, and if they did shame on them. It was just for a few laughs.

No matter what the bike is, putting your effort and time in a project like this is always a commendable thing. Don't let anybody put you off and be proud of your achievements. At the end of the day it doesn't matter whether your improved GN will outrun a CBR600 or not. All it matters is that you have set to achieve something nobody else has tried and you succeded.

[Loui]

hey bro, I would like updates on how youre doing.
I had a gn and I loved it.
The first week I put flat bars on.
I raised the compression by about .75mm, not too much performance gain for a lot of work. drilling a new hole in the cam gear and got it wrong once. went to the suzuki dealer, $300 mistake. luckily the wreckers were down the road were $30. removing the baffles also gave slight performance.
In the end i made a full stainless exhaust which let me ride along at 120kph while sitting up straight ( I was too embarassed to lean forward) noisy too

Everyone loved it, the girls love the chrome and the people who actually know bikes loved it. It was only the idiots focussed on image who didnt like it. i never even met any of them, you only see them on the internet.

good luck bro, its so much fun and you can learn heaps
I only took 1 photo of it

[Slyer]

Good shit Loui!
He's got real competition now. :bleh:

[Dean]

Centaurus: It is my stepdad who told me to put up this thread, he is quite upset with all the negative replies I feel I let him down with that one.

On the bright side we had a look at a k4 gsxr1000 engine today are just going to conspire with a mate on the dimensions to see if it could fit, I know we are total nutters.

[FROSTY]

imin --bugger it thani b your old bikes gonna be a doner bike

[R6_kid]

On the bright side we had a look at a k4 gsxr1000 engine today are just going to conspire with a mate on the dimensions to see if it could fit, I know we are total nutters.

They use to make a GN400. Find a motor and put that it. Not many people would know the difference.

[Dean]

They use to make a GN400. Find a motor and put that it. Not many people would know the difference.

Would it be possible to fit a gsxr1000 engine into a gn250? We could play around with the frame and tank ehaust seat suspension etc, Ive got a few people im trying to contact but they arent answering txt's. I know it sounds almost mentally ill crazy for thinking of such a thing but we only live once.

[Slyer]

Would it be possible to fit a gsxr1000 engine into a gn250? We could play around with the frame and tank ehaust seat suspension etc, Ive got a few people im trying to contact but they arent answering txt's. I know it sounds almost mentally ill crazy for thinking of such a thing but we only live once.
Ambitious would not be the word I would use to describe. Why don't you do something plausible like use a DR650 engine or something...

[bogan]

Well due to too many people trolling this thread I wont update the results anymore, if you are generally interested you can pm me for further upgrades. To the guys mouthing off and trash talking you should be ashamed of yourselves.

Just to clarify, I wasnt even trolling when I suggested pnuematic valve springs, if you want to do summat really ultimate thats the way to go. Go for the highest rpm out of a single piston engine (4T) record :shit: dunno what it currently is, but I doubt its much more than 15k-ish.

[gatch]

Before you put a bigger motor in you should learn to ride first you homo.

[Slyer]

By the way, this is what an epic GN250 looks like: http://www.oldschoolcustoms.co.nz/OSC/Bikes/Pages/Dark_Angel_GN_250_%22SOLD%22.html

[Sidewinder]

blahahaa what a fucking waste of a gixxa by putting it into one of them things. any way you will bend the frame and just fuck everything because there is too much power, and to much weight, maybe just get a real gsxr1000 and stop being a tight cunt

[Tank]

Before you put a bigger motor in you should learn to ride first you homo.

Whilst Dean may be a homo - You should give credit where credit is due.

The kid is out there fucking around with a bike, learning and having some fun. Good on him. Some of the things he will do to it will be to your taste - others bits not - but its his (or his stepdads) bike and to be honest I admire his tenacity and doing something with the GN - esp how he is continuing to play on the old GN anger thread.

So - well done Dean. I think it looks like arse - but I bet you are having a ton of fun, learning bits in your research and I bet that once you have finished even you will enjoy riding your ultimate GN250.

Hell - I might try and pick one up to do something similar with my kid.

More of us should be doing stuff like this.

[Zerker]

I like it, not so sure about the GSXR1000 though, but will be good for a lark if it works. :P

[wbks]

Get over it, Dean. People will have a laugh on the net and telling them they should be ashamed is laughable in itself. If you're seriously considering a gixxer thou in a gn, you're... Nevermind. What you are doing is putting a crazy powerful engine in a shitty frame that will bend from the weight alone, nevermind well over 100hp being put down the back wheel. I've no idea why that seems like a good idea to you. I can see why people put powerful oversized engines from full sized bikes in pocket bikes, because it is funny and insane to have such a little bike with all that motor, and I can see why people hot up gn250 motors, because you are "pushing the limits" of what an actual gn 250 can do, but putting a different engine in it is just pointless IMO. Hell, even a gixxer thou engine in a dirtbike or... Pocket bike would have more obvious value than that.

[Dean]

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[breakaway]

Ahaha GSXR1000 motor into a GN250? You'll bend the frame just bolting the damn thing in.

[Sidewinder]

Ahaha GSXR1000 motor into a GN250? You'll bend the frame just bolting the damn thing in.

thank you!!!!!!!!!!!

[Slyer]

It's a good thing you have all these youtube videos to post Dean, otherwise we wouldn't realise what brilliantly witty guy you are.

[wbks]

It's a good thing you have all these youtube videos to post Dean, otherwise we wouldn't realize what brilliantly witty guy you are.Totally. I think the traditional retort operation "net-dance" has been abandoned.
Dean, if you don't care for what other KBers think, why don't you just shut the fuck up? I think you do care, hence the thread. If you do, why the fuck do you get so offended when someone gives you (constructive) criticism? It's like people have to design a disclaimer for any post that isn't completely monotone, just so that you will understand the general idea behind the post

[Conquiztador]

Many of us have been there. Take something, modify and make it ours. We will then sit for hours drinking beer and admiring how clever we are. 10 years later when we have actually done something that blows ppl away we laugh at where we started. But we all start somewhere.

My advise: Do some planning, use a pen and paper and draw up what you want it to look like. (I tend to take a pic of her and then transfer it to a white sheet of paper so I can change things until I like what I see).

Re motor mod's. Read up re more umph. There are many things that can be done. Sadly it will become questionable if it is worth to do them to a Chinese GN (They are crap to starters, the Jap ones are better but older). If you want to keep the 250 and not swap to a 400 the simple things are stroking, porting, carb, cam and exhaust. You should be able to squeese out 10 - 15 more HP for approx $1k. I did some work on a few Suzuki NZ250's and we got them humming at 180k/h. If you can find one of those motors you should be able to squeeze them in to the GN as they are very similar single cylinder oines, but with oil cooling added.

Good Luck and don't give up!

[awa355]

If you can bring up an old Trade me auction, # 225655671, it shows a GN modified, It is an amazing 'cafe racer' . I kept the listings page so I could go back and have another look.