Crank moving side to side

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7/15/2018 9:19 AM

So I’m installing a crank on a crf 250 and I put the cases back together but I can pull on the stator side of the crank and the whole thing shift from side to side a little. What is causing this? When I put the stator on and clutch basket will it stop? Or is it supposed to do this? I’m like 99% sure it’s not supposed to do this haha


7/15/2018 9:57 AM

Most 4 strokes will have some side to side movement of the crank in the bearings.

Paw Paw


7/15/2018 10:42 AM

It should stop once the flywheel and all that are on. Just center the crank and you should be good. Im assuming all of the bearings and crank is new tho.


7/15/2018 11:45 AM

Yes the crank and bearings are new. How do I make sure it’s centered?


7/15/2018 2:33 PM

When you tighten down your primary gear it will stop moving