125cc Semi-Auto 4-Stroke Engine With Carburetor – 3 Speed + Reverse – Fits ATV, Quad, Buggy (Replace 110cc)

Got a project ATV, quad, or buggy that needs some power?

This 125cc semi-automatic engine is just the ticket.

It's a brand-new, complete motor, including the carburetor.

It's a horizontal, single-cylinder, 4-stroke, air-cooled beast.

It cranks out a max power of 6.5 kW at 7500rpm and a max torque of 8.5 N.m at 5000rpm.

Starting it is easy with the electric start, and the transmission is a semi-auto 3-speed with one reverse gear—so you get full control without a clutch lever.

It's got a CDI ignition, a compression ratio of 9.0:1, and a bore and stroke of 52.4mm x 55.5mm.

This motor is a popular upgrade to replace a 110cc, giving you that extra grunt.

It uses about 900ml of oil and comes with a 420 sprocket (14T, 17mm).

It's a performance part, ready to bolt into your buggy or quad.

All the detailed specs are listed, so you know exactly what you're getting.

If you're building or fixing a small off-roader, this engine is a solid, powerful choice.