Power Kit 47cc + Seals for MTA4

Warning: this power kit is not approved for use on public roads. Using a Pocket Bike or a Pocket Quad with a power kit is authorized only for competition or on private roads and land.

This is one of the most powerful kits available on the market for MTA4.

All MTA4 Pocket Bikes have a cylinder of 37.5mm diameter and an engine displacement of 40cc.

This UD Racing 47cc upgrade kit has a piston of 39.5mm diameter.

It increases the responsiveness and top speed.

It comes with a high-volume cylinder head to better cool the engine.

Its high-compression dome will increase the performance of your vehicle.

Notice: these kits are not painted in black anymore.