well i was going to buy a mb but everyone wanted 4-5 hunders so i build one ,o boy what fun ,anyways i have one problem the spark plug cap wont fit the plug luckly i got two in the kit broke one its too small for the tip of the spark plug to pop in do they use diffrent igniti0n coils for 66cc than 49cc is there an easy fix to this like going down to the auto store and buying a new spark plug cap they just screw to the wire thanks ilooked on a couple website i cant seem to see a diffrence