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Posted by: redneckfromnb
you have to make shure the piston is at top dead center and the lobes on the cam are facing down the you can put your valve cover on and go make some tracks
Posted by: bigred225
i have an 86 yfm 225 i put new valves a piston and rings on it and i for got to mark the timing i was wondering if any one had the stock timing marks ? i.e where is the pin on the cam supposed to line up while the piston is at TDC
