1.Is there any difference in the look of a wet clutch mc18 engine with a wet clutch mc21 engine??I think that the kickstarter of the mc18 is a little bigger.
2.Where is located the engine number??Cause i may buy a nsr engine and i want to know if it's a mc18 or a mc21...
3.The mc18 crank fits in the mc21/28 cases?Are they identical or do they have differences??
that's it
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Sorry for my english