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Enviromoto 72cc Big Bore Kit.
If your looking for more power without spending a ton of money on your scooter this is your answer. The stock 50cc just don't seem to have enough power to get out of it's own way. When you install the Enviromoto 72cc big bore kit (bbk) you will be surprised with the new found torque and top end speed.
Top quality parts from one of the best in the business.
Intake & Exhaust Studs
This kit works best with your stock air box and exhaust. If you have a free flow air filter or performance exhaust you will have to upjet your carburetor even more to keep up with the added air flow.