Moturo Piston Kit 49cc (40-6) for Pocket Bike Dirt Bike

Moturo Piston Kit 49cc (40-6) for Pocket Bike and Dirt Bike

The Moturo Piston Kit for 49cc Pocket Bikes and Dirt Bikes (40-6) — the component to reach for in case of scoring, compression loss, or after high-RPM stress. Identical in construction to the original piston, ready to install.

The kit is a direct one-to-one replacement for the original piston. Supplied with two piston rings, a piston pin, and two circlips, allowing the piston assembly to be completed in one go.

Replacement takes about an hour using a piston ring compressor, circlip pliers, and a torque wrench.

Piston kit for Pocket Bike and Dirt Bike, made by Moturo.

Performance · Material · Specifications

• Displacement 49cc, universal item
• Identical in construction to original piston, one-to-one replacement
• Kit includes piston, two piston rings, piston pin, and two circlips

Important notes – please read

Component for racing and off-road use. No ABE/StVZO approval. Not for public road traffic. Compare bore and piston pin diameter with the removed piston before ordering.

Tools & Time required

• Piston ring compressor
• Circlip pliers for the circlips
• Torque wrench
• About one hour for an experienced mechanic

Scope of delivery

1 × piston, 2 × piston ring, 1 × piston pin, 2 × circlips. Not included: cylinder, gaskets, tools.

Frequently Asked Questions

Does the kit fit every 49cc Pocket Bike?
Compare bore and pin diameter with the removed piston before ordering. The designation in the title refers to a specific piston geometry.

Is the kit street-legal?
No. Component for race track and off-road use, not for public road traffic.

Are the circlips reusable?
Always replace circlips when performing a replacement, as they deform during installation and removal.