Join Date: Sep 2013
Location: Bay of Islands New Zealand
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Re: Finding TDC
Thanks Boz and Maine Sail-Several of the various methods supplied in article are difficult to apply to Yanmar 2QM20 motors-and bumping starter until push rods are loose does not necessarily mean you have true TDC-On looking at my parts book it appears that the keyway on the front of the crankshaft lines up with TDC on the crank and therefore if I turn the motor so the keyway on the main pulley lines up with the pointer,this should be TDC.Can anybody confirm this?