Maintenance & Technical > KX500 Original

87 kx500 output shaft nut

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halerazor:
My friend has a 87 kx500 and the threads on the output shaft nut are destroyed. He has checked part numbers and called the dealer and they all call for the same part # but the threads on the shaft are a finer thread than the nut the dealer gave him. Anyone know what the correct part number is or if he could just get a newer shaft with the circlip

sandblaster:
According to my book, 87 KX500 uses year specific shafts for 87 only.
I don't know what the physical differences are as part numbers never tell the whole story.
The gears are identical from 86-87 KX500, although many of the gears fit many more years as well.
Sorry I couldn't be more help.

kwakman:
as sandblaster said the part numbers differ, but the transmission shafts for 83 thru 87 are interchangeable.comparing the two before buying is often the only way to go when fixing an old beast up.hth.K.

tobys 2 strokes:
My 86 had marginal threads and the nut was stripped and I couldn't locate a new nut. So I took a cut off wheel on a die grinder with the engine assembled and used the sprocket for a guide I made a snap ring grove like the later ones. It has worked great no issues.

sandblaster:
Excellent.
Let us know what the long term results are.

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