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wow i've looked at both flywheels and they are completely different. here a strange one for you all 1990 flywheel wheel had the three mounting holes for puller but my 89 flywheel has the holes but they have been punched just to the side of each hole causing the top two threads to be bent inwards...

H,i What is the tci is that the cpu? Is the flywheel different also? because i've tried to remove the flywheel before and you need the yamaha pullers to get it off and as no dealer around lower New Zealand has one i'm abit stuffed and i've tried many other types of pullers but none will grip...

HI Guys, well I've finally finished fitting my 100hp euro motor into my vboosted bike and have noticed that the flywheel pickups don't have as many pickups as the boosted model. euro motor only has two cables and boosted has five. i have the correct pickups to fit question is which cpu do i use...

Hi all i'm just about at the point of unbolting the motor and removing from frame, question can do you seperate motor from drive shaft with out removing the rear end. the yamaha work shop manual doesn't explain this step in the removing motor section.

I love shifting without using the clutch it's so smooth, it's like having an semi auto and you get to scare the hell out of race bikes from the lights. catch up if you can!!!

I'm trying to remove the flywheel as well and can't find the correct puller to use, I've been to two yamie shops and they both don't have pullers as they have never had to pull one off a vmax as there's not many around this neck of the woods. I'm still having charging problems, and the magnets...

HI Guys, would anyone know of any problems with replacing the motor in a 89 v-boosted max which has a compression of 10.5:1 with a euro 100hp motor which has a compression of 11.5:1, and conncet it to v-boost. I'm gonna be trying this out very soon as the orginal motor is very sick and needs...

Ac volts between all three phases are over 50v.

cheers for that info i will pull it apart and find out for sure if it's cracked, at least i now have a better idea of what i'm looking for and where it is.

I have been through the fault finding diagrams, brand new battery, tested R,R and voltage from magneto all ok, at low rpm i'm getting 14.2v but as rpm's increase volt drop below 13v. I was talking to a guy who had the same problem but on a different bike and that's what he found out after...

Hi guys, after trying to solve my problem of voltage dropping with an increase in rpm's, i've been informed that the fault is with the magnet's in the magneto which are cracked causing more poles from within and a cancelling voltage between poles. Question is, where is the magneto? Service...

Well here we are again with a bit of a teaser question. I've got charging issues and after replacing battery and RR, voltage is up to 14.2v @ 1000 rpm, problem is the higher the rev's get the lower the supply voltage is to charge the battery. the yamaha service manual says the stator winding...

HI Guys,just a compression test. at first I noticed a small amount of smoke soot around the end of the left pipe after riding 2000km around the southland nz, the low compression is from the number two cyclinder which i seem to think is on the left of the front bank Am i right???. And is this the...

Hi guys I've got an 89 vboosted and it's had a had a hard life. I've just done a compression test and i'm down on one cyclinder others are reading 160 psi and 120 so i think it time for a valve grind. my question is do you have to remove the motor in order to get to the valve seats.