Maintenance & Technical > KX250 / KX125

New bottom end feels stiff

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sandblaster:
Easy fix  :lol:

Foxx4Beaver:
I've never had a seal do that to me....yet!(knock on wood).

BLACKBEARD:
Put it back together without the seals...
Same thing, tighten the screws and it gets stiff.

tobys 2 strokes:
I always use a soft hammer and hit both ends of the crank back and forth when the cases are still hot it centers the crank and almost always frees it up. if you dont use a wedge or the proper tool to keep the crank true I have seen the cranks get in a bind and whacking the ends will usually straighten that out use a soft hammer though

sandblaster:
I use to do it the same way.
Now I measure before I assemble so I know the total clearance between the crank and the cases.
Then I divide it in half and get out a feeler gauge and put the feeler gauge on the bottom case so when I drop in the crank it is automatically centered.   8-)

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