[header] How to make your canadian tire minibike do over 70 mph [title] Take off the rear fender, headlight, mock gas tank, and the clutch and chain cover. [title] Go to your local tsc store or farming supplies store and buy 40 or 41 roller chain. [title] Remove the two chains' master links, using a flat screwdriver or needle-nosed pliers. 
[title] Remove clutch by taking off the snap ring and loosening off the bolt. [step] Slide the clutch off the engine shaft.