2007 yz450f neutral switch ?????? and more

1 reply to this topic

Posted June 19, 2008 - 08:20 PM


Could someone tell me what would happen if the neutral switch would be defective. Would the bike run differently and if yes how different.I have a stutter issue only at 3/4 to full throttle and this only happens in 5th gear only ????.It sound like a misfire maybe timming goes out of wack??? not sure.:thumbsup:

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  • grayracer513

Posted June 19, 2008 - 10:42 PM


The neutral switch retards timing and lowers the rev limit when the wire is grounded, so if it shorts the engine will be a little sluggish, and won't rev over 7000.

But that would happen in all gears. What you have sounds a lot like a problem with 5th gear forcing itself out of gear under a load due to wear at the locking lugs that engage it, and the resultant bent shift fork.

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