If I bought the empty cases from the dealer, then it didnt come as a engine/frame combo on a fully functional street bike.


Standard NSR250's sold through dealers as street based bikes came with MC16 numbered engines. What happened after that is a whole other story. hell, I could have ground off the numbers on both the frame and engine, the point is that standard street bikes bought new came with the MC16 numbered engines.
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Charles Gallant