180cc GY6 Cylinder Head & Base Gasket

GY6 180CC Cylinder Head and Base Gasket for QMI/QMJ Engines

This gasket set includes a 63mm cylinder head and base gasket, made for the GY6 180CC Big Bore Head Kit. Keeping the head sealed helps the engine hold proper compression and keeps the valves working as they should. You can find it alongside other GY6 scooter parts. Low compression and valve noise are the kinds of problems this set is meant to address. Confirm that it suits your engine code before ordering.

When to Replace It

Consider replacing the cylinder head and base gasket if you hear ticking or notice burnt valves, since these can point to a problem with the head. The part helps control airflow through the engine, which affects overall performance.

Specifications

• Inner Diameter: 63mm
• Fits: GY6 180cc big bore engines (QMI/QMJ 152/157 type) with 63mm bore

Fitment

Fits:

• GY6 180cc big bore engine (QMI/QMJ 152/157, 63mm bore)

How to choose: Make sure the 63mm inner diameter matches your cylinder, and confirm your engine is a GY6 QMI 152/157 type.

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