the motorcycles i think was the suzuki GSXR i was checking for oil clearance .the guy ask me how much ? crank pin size was abit under 1.500 .very hi rpm i was thinking all of .002 one .001 per 1inch of journal size and abit more for hi rpm so 002 it was i thinking by the suzuki book was 003+ and at the time i did check the bearing shell it was not a delta wall bearing .so loose is fast .long as you can keep it running on the oil