Maintenance & Technical > KX250 / KX125

rear axle help .

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KXcam22:
As Danger says, 72 ft-lbs is pretty tight.  You might have a rear bearing going. The tighness may stress it enough to sideload the bearing.  I am too lazy to torque so I crank mine super tight with a 20" flexbar. No issues. Cam.

Danger4u2:
98N-m  (10 kg-m, 72 ft.lb.)  That's the factory service manual.

Danger4u2:

--- Quote from: blackkx on January 14, 2007, 09:56:57 AM --- Just wondering how tight the rear axle nut should be . I think i tightned it to much , because after a 4 hour ride today it started making a loud popping sound when i spun the rear tire backwards on the stand . I thought it was my rear brake but i loosened the axle nut a 1/4 turn and the popping went away . Did i over tighten it ? please help ...... :? :? :?

--- End quote ---
The popping sound when you turn the wheel backwards sounds more like chain and sprockets.  Check to see if your teeth are worn and bent over.  I would think if it was a bearing it should make the same noise turning it forward or backwards.  Let us know.

kx666:

--- Quote from: Danger4u2 on January 15, 2007, 05:33:55 PM ---98N-m  (10 kg-m, 72 ft.lb.)  That's the factory service manual.

--- End quote ---

I am a strong beliver in owning a service book for every vehicle i own. they are cheep.

as for the poping sound check the runout on your rear sprocket

KXcam22:
You guys are right. The popping would not be the bearings. Rear sprocket is the best call. Cam.

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