crankshaft

When I remove the left crankcase cover for the spark advancer, I notice that the starter clutch wheel is somewhat loose; it has a slight wiggle, and the spark advancer unit can be pushed in by a millimeter or two. When it’s pressed in, I can apply a bit more force to ‘push’ the crankshaft (I...

Hello guys! I hope you can help me a little. I need/want to replace the crankshaft bearings and connecting rods ... I'm following the manual, but I didn't find all the numbers and letters to know the correct bearings between the crankcase/crankshaft and the crankshaft/connecting rods ... I...