Maintenance & Technical > KX500 Original
Trans problem
gowen:
Kyle,
Is there any way you can get a picture of your shift assembly under the clutch basket? I have a feeling it is not right.
hughes:
That spring on that shaft gave me about an hour of sh*t when I rebuilt my engine, It's not marked but I had mine backwards(flipped over) and it would pop off and I was unable to shift any gear. Need a photo of your bike to help figure the year.
doordie:
Maybe this problem.....
Worn dogs for third gear or/and bend shiftfork :cry:
You can machine to negative angled dogs and get more
"grabbing force",this is common problem for KX500 when you miss
gears when upshifting under load.The dogs get rounded at edge.
It?s not so expensive to do this mods than buy new gearwheel. :wink:
The stock shiftforks are very thin and easy to bend :-(
kxs in oz:
Hi kx5tsi your kx gearbox problem will be inside i would look at the selector drum for damage and see if the forks are bent then look at the dogs on the gears if they are rounded over they worn out have seen problems in that area before as my bussiness is rebuilding gearboxes for cars trucks and bikes and dont ues 80/90 gear oil it is to heavy you clutch wont disengage properly use around 10w40 2 stroke gear oil your clutch will like that more hope this can help you best of luck Simon
kx5tsi:
thanks for all the help guys,
yes I can get a picture, but probably not for a week or so when I have time to tear her down. If all goes well this weekend I may have some spare time to tear into her. Im a college student, and also working so finding the time is sort of hard.
But yea as soon as I can I will get some pics of the shift assembly, clutch, etc. Hopefully one of you guys can point somthing out, that may be wrong with the shift assembly otherwise the box will come apart. I have a bad feeling that It is shifting into gear fine and my box is messed up.
How hard is it to do the gear mod? Im pretty good with a cutoff wheel and die grinder, the hours of manifold and cylinder head porting might come in handy.
Thanks,
kyle
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