How to kit a Tomos A3

Channel: Marty's Garage


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The Tomos A3 uses a 10mm wrist pin with it's piston and the A35/A55 and all of the Puch setups use a 12mm wrist pin. There's a much larger variety of cylinder kits out there for the A35/Puch so the easiest thing to do is just press out the brass bushing in the connecting rod and push in a new one off a a stock puch crank. One thing to note, the brass bushing setup is really only good up to 8500rpms, if you're gonna run faster then that you'll need to have a new connecting rod pressed into your crank that can made use of a needle bearing.