Originally posted by cujet
If you think about it for a bit, counterbalancers are an added on form of balancing also. They could be external to the engine and affixed to it.
Chris
Inorder to balance any engine, you have to completly dissasemble the crankshaft, rod, etc. and weigh each part, rod, piston, rings, circlips, piston pin, etc. Once you determine the proper balance, you have to either grind or drill into your crankshaft flywheels to put it into proper balance.
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