YZ450f Top-End rebuild while the engine is out of the frame due to my need to fix the drain plug.

Part 3 of 4 my YZ450f drain plug fix... 2017 Yamaha YZ450f

[@trentxn5743]

Dude I literally appreciate you making this vid helps me confidence to tear down my 17 yz450 only have about 60 hrs total

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