2023 Yamaha Rmax Engine Rebuild Part 4 of 7 

Ok, we are rebuilding this bad guy... almost all new parts;
pistons, rings, connecting rods, crankshaft, bearings all around the crank, gaskets, o-rings, etc. In this video we are calculating the bearing sizes we need for the new crank and the old balancer which had bearings going on it. This is how you figure it out..

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