Re: Refresh My Memory – C/S Needle Bearings 10hp OMC

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April 9, 2015 at 9:05 pm #13633
chris-p
Participant
    quote fleetwin:

    And, watch out for those crazy crank counter weights, make sure you have the rod oriented properly on the piston and in the block before loading the needles, you don’t want to have to spill the needles out again in order to reorient everything.

    Good point. The rods are not uniform. One side is flat, one side notched, to fit around the counter weights. The flat side face in, towards the center main. So , you assemble the TOP and BOTTOM piston/rod assemblies opposite from one another, ensuring the sweeping side of the piston face runs towards the exhaust side.