I'm building one

[quallman1234]

AX100 engine .

[gav]

Its so good, they bite much better!

Its called "self policing" as advised by MNZ

[sinfull]

Its called "self policing" as advised by MNZ

There's a word for narcs like you !!!

[gav]

There's a word for narcs like you !!!

huh?

[koba]

There's a word for narcs like you !!!

What is it? Narcs?

[ajturbo]

Flag drops bullshit stops ....If you need to bend the rules it meen you carn't ride quick enough...You will love buckets ! Top blokes top fun ..

you don't know drew then.... if there's a rule to bend... he'll crash into it first...

but on anther note... where the hell is your bucket Sinfull..????.. or you in the same group as Choppa... all talk and not show????

[Drew]

I came up with the motor I wanted to build if I had money, but will keep it close to my chest I think.

Prolly gonna go with a 125 pit bike motor since I have a spare sittin in the shed. There's power to be extracted with a three valve head and a compression bump.

Frame will be an MVX250 roller, with quite a bit of angle grinder modification.

[husaberg]

I came up with the motor I wanted to build if I had money, but will keep it close to my chest I think.

Prolly gonna go with a 125 pit bike motor since I have a spare sittin in the shed. There's power to be extracted with a three valve head and a compression bump.

Frame will be an MVX250 roller, with quite a bit of angle grinder modification.

I have a Large 2 valve head. I wouldn't mind swapping for a std 110 head?
I am guessing you don't currently have a 3 valve Head?
Well even if you do the HP won't be as great as you may think it will.

With regards to the brakes.
Don't use for the than the scrutineer deems necessary. As brakes only serve to slow you down buckets are all about corner speed you down anyway.


If you really are desperate enough to go the pitbike route here are some useful links.

It would be great so see a $100 bucket build but it may not be that competitive but getting out there is most of the fun and there is little snobbery inside buckets

http://www.x386.net/TTR/tech/dyno.html
http://www.x386.net/TTR/tech/cgi-bin/motorsim.cgi
http://www.x386.net/TTR/Sleeper/3v.html
http://www.x386.net/TTR/tech/crank.html
http://www.x386.net/TTR/tech/cam2.html
http://www.x386.net/TTR/tech/trans.html

[Drew]

I have a Large 2 valve head. I wouldn't mind swapping for a std 110 head?
I am guessing you don't currently have a 3 valve Head?
Well even if you do the HP won't be as great as you may think it will.

With regards to the brakes.
Don't use for the than the scrutineer deems necessary. As brakes only serve to slow you down buckets are all about corner speed you down anyway.


If you really are desperate enough to go the pitbike route here are some useful links.

It would be great so see a $100 bucket build but it may not be that competitive but getting out there is most of the fun and there is little snobbery inside buckets

http://www.x386.net/TTR/tech/dyno.html
http://www.x386.net/TTR/tech/cgi-bin/motorsim.cgi
http://www.x386.net/TTR/Sleeper/3v.html
http://www.x386.net/TTR/tech/crank.html
http://www.x386.net/TTR/tech/cam2.html
http://www.x386.net/TTR/tech/trans.html

The standard head I've got is a 125. I've got a two 110 bikes and the 125 was loads gruntier than them. But looking at those dyno runs I might be forced to try and find another type of donk.

[husaberg]

The standard head I've got is a 125. I've got a two 110 bikes and the 125 was loads gruntier than them. But looking at those dyno runs I might be forced to try and find another type of donk.

There are some interesting mods that have be carried out to other horizontal singles in this case CT110 same guy too.

http://forum1.aimoo.com/XLBoard/AHRM...-1-832909.html
http://www.youtube.com/watch?v=lYZzaWBNgxo
http://postiebikeracing.webs.com/insidetheengine.htm

But simply speaking if you want to go the 4 stroke way with a single there is only a couple of choices.
unless you are a master fabricator.

[Drew]

There are some interesting mods that have be carried out to other horizontal singles in this case CT110 same guy too.

http://forum1.aimoo.com/XLBoard/AHRM...-1-832909.html
http://www.youtube.com/watch?v=lYZzaWBNgxo
http://postiebikeracing.webs.com/insidetheengine.htm

But simply speaking if you want to go the 4 stroke way with a single there is only a couple of choices.
unless you are a master fabricator.

That's cool, but I have admitted to myself now that without spending money the pitty aint gonna have the poke, and those crate motors are not legal since they are a competition engine.

What sluts me off most is that I have given away heaps of engines that would be perfect for a bucket in the past, now I'm left without one for my self.

I really want to go cb125T to be honest, but they are gettin hard to find.

BRYCE!, Where you at an what ya got sitting in the shed mate?

[husaberg]

That's cool, but I have admitted to myself now that without spending money the pitty aint gonna have the poke, and those crate motors are not legal since they are a competition engine.

What sluts me off most is that I have given away heaps of engines that would be perfect for a bucket in the past, now I'm left without one for my self.

I really want to go cb125T to be honest, but they are gettin hard to find.

BRYCE!, Where you at an what ya got sitting in the shed mate?

The ones I have posted above in the last link are not crate Motors?
It is a CT110 with a XL125 and Xr200 head and the same guys later creation with a FZR600 head sectioned into a cylinder.
But you are still left with a 4 speed of dubious strength.
I would go with a Suzuki single or a Honda single if it is still a tight budget build.
If not go with a newer twin if your hearts set on a twin the 250 fours and the 400/4 are cheap as to, bought in blown form. I have brought 2 FZR250 3ln motors for less than $50 one with carbs. Speedpro has done one for a project.

[Drew]

I have brought 2 FZR250 3ln motors for less than $50. Speedpro has done one for a project.

I am wondering why that FZR motor has the two right hand slugs instead of the middle two. It'll fire as a cross plane now, and there's no advantage to that in a twin the I can think of.

Bloody good idea though, and there is an FZR250 in the garage that I can steal the motor from if someone distracts Jimmy for a couple hours.

[husaberg]

I am wondering why that FZR motor has the two right hand slugs instead of the middle two. It'll fire as a cross plane now, and there's no advantage to that in a twin the I can think of.

Bloody good idea though, and there is an FZR250 in the garage that I can steal the motor from if someone distracts Jimmy for a couple hours.

The idea was, Well my interpretation on what Mikes idea was,He did it that way so he didn't have to seal up the other side of the motor. As well he was trying to do it without a having to do a total engine fabrication.

The one I started (But never beyond concept stage) was on a VTR250 crankcase it was going to be the same basic layout and so nearly fits across the lower cylinder.
The firing order on the FZR means the outer 2 are 180 degree cranks the inner two. May be able to made to suit the CB125t in layout but they (The CB125t) are a 180 degree and the inner two on a fzr250 are essentially a 360 crank.But then again the cb125t is a built up crank isn't it.

Off course you could always just chop a cylinder from a VTR250 engine finding a donor should be easy. Stay clear of the VT250F though they were made of Chocolate.
Better ports though. bore it out to 66mm ish or stroke the crank use the other rod as a balancer.

The original Vf400f with cam chains could be de-stroked with a metal sprayed crank 55mmx32.5mm =155cc as it will be shagged by now and the rear or front heads removed.

But the simplest solution as always is a FXR150 as much as it pains me to say it.

[F5 Dave]

Mike told us how much had been sunk into that FZR engine. Everything costs money, it isn't a hacksaw job.

Scrape together $500 & wave it under Bryce's nose & seen what he can find is probably the easiest & most likely to bring fruit of something workable in a reasonable timeframe.