Origami B1 Rep 49cc Big Bore Kit

Origami B1 Rep 49cc Big Bore kit.

Everything you need to increase your 39cc engine to 49cc.

Transforms your bike and gives it the low down torque the 39cc engine simply hasn't got.

Comes with full fitting instructions, and all importantly instructions on how to modify your crank cases if the kit does not fit straight on.

Full telephone technical support if required.

Add our High performance exhaust and 19mm carb kit, and you'll have a stonking motor!!