Gearbox Proplem? (KX65)

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jc7622
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Gearbox Proplem? (KX65)

Post by jc7622 »

My son's KX65 has developed a problem. Sometimes when shifiting up between the higher gears, the gears don't engage. It is like there is a neutral he is shifing into between 3rd and 4th and also between 4th and 5th. A second attempt pulling up on the shift lever will engage the gear. Any idea where the problem lies?
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Indawoods
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Post by Indawoods »

Type of oil used. Dirty oil, bent shifting fork.
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Post by skipro3 »

Sounds like bent shifting forks to me too.
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Post by canyncarvr »

Don't know about your kid...but a whole lot of kids I've seen (most) think the shift lever works better the harder you smash it.

Jamming the thing with a booted heel is not the path to longevity.

You covered the basics, I presume: Loose shift lever, physical obstruction (maybe after the lever got bent)? Physical obstuction may not be the bike..but the rider..as in 'New Boots'!

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jc7622
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Post by jc7622 »

He rides it like he stole if that helps with your diagnosis. Most other advice has been with bent shift forks or worn dogs.
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Post by quailchaser »

One more vote for bent shift fork.
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Colorado Mike
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Post by Colorado Mike »

I don't know the KX65 at all, but check you're manual for a disk looking thing partly under the clutch basket. if you have one, it has some detents in it for a ball gizmo to go in. That's under spring pressure. The detents could be screwed up or the springs broken or weak. Check for that before you split the cases.
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