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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250wr Wont Start, Desperate
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[QUOTE="ckassen, post: 1276756, member: 78460"] I have seen some really funny things with CDI boxes. I know very little about the yamaha. On a 00R1(sport bike) the CDI was bad and would fire on 2 cylinders and not fire on 2(a short in the wiring harness). A friend on of mine has a 89CR125, and it will run fine until the CDI gets hot, then when you shut the bike off, it will not start until the CDI is allowed to cool off(still dont know why the CDI keeps on going bad). On my own Triumph, I went through 3 CDI boxes and that was because of a bad ground(when a box would go bad, I would get a weak, completely random spark-along with other things).... As I said, I know little about the yamaha 2-stroke, but I do know that the CDI controls spark/ignition. I dont think that it is possible for the stator to go bad and still have some kink of spark since it is pretty much just an alternator.... [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ250wr Wont Start, Desperate
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