Maintenance & Technical > KX500 Original
kx5 biggest bore
gowen:
--- Quote from: YUNGGUNNAZ ---brett,all of what you spoke of has been done.cylinder ported,head reworked,2mm over,jemco pipe(two of these as one was builted in 91)and other tricks.but i am always looking for more.willbe trying something new this weekend at the last drags.here is site for race,www.bikerenews.com.dirt drags
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Having a good port job done is the key, but the winning key was my ignition. Use a PVL. I've posted about it many times. It will cause a little more wear, but then again. So does doing sand drags. You can't' go wrong with it, unless you plan on doing trails in tight woods.. Then it sucks.
gowen:
Also, doing the 520 kit did increase the power by noticeable amounts. Also with the PVL, you absolutely MUST gear up on the transmission or you will be in 5th gear pinned within' a hundred foot. I installed a paddle tire for grass and sand racing to help with traction. I'm even considering ice screws too. :-) Either way, nothing comes close with a good foot. I've even been known to 2nd and 3rd start it so it acts like an automatic and just keeps on pulling.
YUNGGUNNAZ:
i've noticed that the 89 flywheel is alot smaller(thus lighter)than the 99 i have here so i thought of turning the outside down some while waiting for pvl.i assume the pvl bolts on like old style inner rotor magneto's.i current use the left hand threads in flywheel for the outboard starter.will this apply to the pvl?we use 2nd most but this week i have 12/38 gearing so its 1st gear starts.
gowen:
--- Quote from: YUNGGUNNAZ ---i've noticed that the 89 flywheel is alot smaller(thus lighter)than the 99 i have here so i thought of turning the outside down some while waiting for pvl.i assume the pvl bolts on like old style inner rotor magneto's.i current use the left hand threads in flywheel for the outboard starter.will this apply to the pvl?we use 2nd most but this week i have 12/38 gearing so its 1st gear starts.
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Flywheel with puller in it is a stock flywheel that has been buried in water. But, for sized reasons.
YUNGGUNNAZ:
good pic.i see how to mount nut for starter using the holes for the puller.what year is the bike?flywheel looks to be off late 90's to 04.
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