Tag Archives: Crankshaft

YZ125 – Bottom End – Followup

Well, the bottom end is complete and the motor reassembled. So far┬áso good and after a broken foot from the kickstarter assembly she fired to life. Unfortunately after adding coolant it appears that the weakest link on this motorcycle rebuild … Continue reading

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YZ125 Bottom End Rebuild

So after taking the YZ125 on a couple of successful voyages the engine decided to quit. The field diagnosis was that the engine had spun a bearing in the bottom end as it would not spin effortlessly. Caught between a … Continue reading

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