Piston Rings Set (OEM) GY6 150cc

Piston Ring Set for GY6 150cc Engines

This piston ring set is made for stock GY6 150cc engines. It helps the engine seal properly and run as intended. It is one of the essential GY6 150cc scooter parts, and it supports steady engine operation. Built to exact specifications, this OEM component fits a range of models for dependable use.

Construction and Function

The set contains thin and middle oil rings, which manage oil use and help keep compression where it should be. Keeping these rings in good condition is important for a healthy engine and can slow down wear over the long term. If you notice reduced power or oil consumption going up, these parts may need replacing.

Dimensions and Compatibility

Every ring in the set is manufactured to a precise size for GY6 engines. The thin rings measure 0.4mm thick and 1.8mm wide, and the middle oil ring is 1.8mm thick. The piston rings have an inner diameter of 56mm, which gives a secure fit across the listed engine codes.

Specifications

• Thin Ring Thickness: 0.4mm
• Thin Ring Width: 1.8mm
• Middle Oil Ring Thickness: 1.8mm
• Piston Ring Inner Diameter: 56mm
• Fits: GY6 150cc (157QMJ) engine; the listed 157QMJ-based 125cc, 150cc and 169cc engine codes

Fitment

Fits:

• GY6 150cc (157QMJ) (stock engine, 56mm inner diameter)
• 157QMJ-based 125cc, 150cc and 169cc engines with codes 157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A
• Other QMJ, QMK and QMI engines (engine code includes QM or FM)

How to choose: Compare the engine code stamped on your engine case with the codes above, or confirm that the code includes QM or FM, and verify the 56mm inner diameter.

Where it goes: part #2 on the crankshaft and piston diagram for the GY6 150cc (157QMJ).

Other versions: For a GY6 125cc application, see the 125cc version here: GY6 Piston Rings (125 cc).

Shop more: GY6 150cc Scooter Parts (157QMJ) · GY6 Scooter Parts · Scooter Pistons & Piston Rings · Scooter Parts