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General Two Stroke Talk / What are the symptoms of the big end bearing worn?
« on: August 11, 2013, 09:18:20 PM »
Easiest check is to remove the spark plug and the magneto cover.
Carefully rock the flywheel back and forth.
If you "feel" slop in that rotation at all then the big end bearing is gone. If you can't then you probably would need at least a top end teardown to check with more precision.
Carefully rock the flywheel back and forth.
If you "feel" slop in that rotation at all then the big end bearing is gone. If you can't then you probably would need at least a top end teardown to check with more precision.