fzr400 exup

[Hitcher]

That looks better than the one Mr Yamaha built in the first place.

[Paul in NZ]

Thinking about keeping it there mate?!

Um - no - it's a little 'cramped' for comfortable riding and the Triumph leaves it for dead in the smiles per gallon race...

It is definately a FUN bike though and a great sports machine for rowing it along...!

[Paul in NZ]

OK - I think I'm 'done' with it... Another soild bit of effort over the weekend has resulted in quite an improvement. I'm not 100% convinced that its still not running a tad rich but its just running soooo well....

This weekend it was off with the fairings, tank, airbox, carbs. Noticed a coolant leak so I replaced the O ring - seems OK but I'll check it again when it cools down. I went through the carbs and really - I just can't see a problem so I blew out all the jets again and dropped the needles a notch.

Dropping the needles one notch probably makes beggar all difference but I felt I needed to make the effort...

I standardised all the idle mixture settings to 2.5 turns out - I have no data on that but it was the average amount between the 4 carbs.

While the tank and carbs were off - I whacked in a fresh fuel filter ($26 - yikes) and some NEW sparkplugs (FARKIN Jesus wept - $62) 'cos lets face it, the old ones (Iridiums) had a pretty rough life...

After some muttering and assorted re assembly - It was then a case of hooking up the carbsticks to synch the carbs (see pictures). They were only out a little and I'm not super anal about it but it REALLY made a difference - it's a lot more responsive and crisp now...

In fact - I think I've got it going about as good as I'm capable of - I rode it over both hills late this arvo and I was really happy with it - I even thought about keeping it

[merv]

In fact - I think I've got it going about as good as I'm capable of - I rode it over both hills late this arvo and I was really happy with it - I even thought about keeping it

Marvellous my friend, you have rebuilt yourself a nice little bike so perhaps you should keep it because it takes a bit to get to know one so well eh!

[Deviant Esq]

Good effort Paul, well done. My vote on keep it or not keep it would be - don't keep it. Sell it on, give someone the opportunity to have a nicely fixed up bike that runs well. It'll be a good bike without being too expensive, and it looks good. You'll have some spare time to spend on your Trumpy, get a couple of jobs done on it... then maybe a bit later down the track you could pick yourself up another project bike - one you might want to keep afterwards Keep us informed on what you choose to to, what the new owner thinks etc... heck, you could even print this thread off for them to read, tell them exactly what's been done! It's been a good read, cheers.

[Paul in NZ]

It'll be a good bike without being too expensive, and it looks good.

Well really - it was nice to ride but in all honesty - it's got to go to make space for my other project thats closer to my heart. I'm not giving it away though, it's got to reach a fair price.

[manwithav8]

you directed me to this thread the other night which I could not find.. However, I have say here for the last hour and a half having a godd read..

Very well done on the build... I know where I will be going for advice when I finally get the old FZR promised to me that is in need of some serious work..

I don't think I would be able to sell something I have put some much of my own time and money into....

Well done though mate.....

This should be entered into some sort of magazine as it is a great article...

[Paul in NZ]

Bum bum buggery bum.....

AAARRRGGHHH!!!!!! (pant pant pant)... OK - I feel better now...

Yonks agon, when Helen first offered this 'wee gem' for sale she mentioned it 'might' have an electrical problem... hmm... Well I've been scratching my head over that 'cos its going like a blessed rocket - whats she on about....

Today - curiousity got the better of me and I got out all 3 of my multimeters and and big book of yamaha words... argh! I think the alternator is rooted - worse - i think my spare ones rooted as well... feck...

Lights on and it reads 13.6V at the batt at idle - 12.6 at 4,000rpm - that aint right... Measure the alternator as per the book - should be .44 ~ .66 Ohms between phases - 1.3 Ohms.... mutter grumble....

The bike will run OK in the sprints but it looks like I'm not quite done with it yet.... (sigh)

[xwhatsit]

Bugger!

http://www.okshon.com/v.cgi?YYurl=ht...tion/h45243251

4000 Yen; $40 or so, plus okshon's fees.

Or do you need the bit that whirls around inside those coils?

[Paul in NZ]

Bugger!

http://www.okshon.com/v.cgi?YYurl=ht...tion/h45243251

4000 Yen; $40 or so, plus okshon's fees.

Or do you need the bit that whirls around inside those coils?

Looks nothing like my one mate... I have 2 of everything and 3 multimeters - I'll spend a bit of time thinking about it and see what can be done to identify the fault more clearly and fix it. If it's the rotor I'm screwed if my spares no good but everything else should be repairable.... (ha ha)

Next step is to measure the AC voltage from the alternator between the various phases. I suspect the regulator is OK but the alternator is not pushing out enough Voltage. The spare might be OK and the resistance measurement is just a guide really.

Cheers

[Paul in NZ]

Right! Sorted! Even I'm impressed with myself for not panicing and ripping alternators off the bike etc.

There is no doubt that the old rect / reg is tired (the diodes lose efficiency over time) so a brand new one ($63 NZ) has been ordered from the USA and will be fitted when it gets here.

Meanwhile I tested the alternator - no shorts to earth in any phase and a healthy >70V AC between each phase at 6,000 rpm plus... Excellent.

Then its just a case of labouriously cleaning every connector earthing point and protecting with a dab of CRC, new fuse (old one was corroded) and running a couple of new earth straps from the motor to the chassis and... A much better 13.6V plus at 6,000rpm WITH the lights on across the battery... One volt don't sound much but its the difference between a battery going slowly flat and a healty one...

I'm frigging stoked.....

Paul N

[merv]

$63 for a reg/rec is a great price.

You really are doing well with that bike. You sure you want to part with it?

[Deviant Esq]

That's right Paul, we're all still sitting back in awe of the job you've done on that ol' Yammie, excellent work!

[Paul in NZ]

$63 for a reg/rec is a great price.

You really are doing well with that bike. You sure you want to part with it?

Yeah - better than $120 for a used one from a wrecker eh? There is postage on that - maybe $10 but still - thats retail in the USA through Eds Honda, he just orders it from Yamaha like a local dealer would do...

And yes - it has to go, I'm too large/old for it and I'd like someone to enjoy it. Helen (I hope) will give you some honest feedback on how it goes now - I have no idea what it used to be like so I'll be keed to find out as well...

[skelstar]

Had a damn good look at the bike yesterday at the top of the sprints course (fuggin bored). Its looks friggin good Paul... looks like a very rewarding process. You should be very pleased with it mate.