GY6 Camshaft Rocker Arm Assembly
ITEM# TT-26731
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Description
GY6 Camshaft Rocker Arm Assembly for 125cc to 169cc Engines
This camshaft rocker arm assembly is built for GY6 engines, covering 125cc, 150cc, and 169cc versions. It holds its place in the valve train and keeps the engine working as intended. It is one of the core GY6 scooter parts you can use to support engine performance and efficiency. Mounting hardware is included, so it works as a direct swap for a worn unit.
Construction and Compatibility
The assembly uses precise bolt spacing, measuring 54mm side to side and 76mm on the diagonal. It suits several GY6 engine codes, so it lines up properly with your engine. Models it can be used with include 157QMJ, 161QMK, and others from the QMJ and QMK families.
When to Replace
Consider swapping out the camshaft rocker arm assembly if the scooter loses power or the engine starts making unusual sounds. Routine inspections make it easier to spot wear early and keep the scooter running well. Since this part plays a role in engine health, replacing it during regular maintenance is a sensible step.
Specifications
- Position: Camshaft
- Size: Fits GY6 125cc / 150cc / 169cc engines
- Fits: GY6 125cc, 150cc and 169cc engines (157QMJ, 161QMK, 152QMI and related QM/FM engine codes)
Fitment
Fits:
- GY6 125cc engines (157QMJ-based)
- GY6 150cc engines (161QMK, 1P61QMK, BN161QMK-A)
- GY6 169cc engines (152QMI, 154FMI, 1P52FMI)
- Other GY6 engines with QMJ, QMK, QMI or FM codes (e.g. YN1P57QMJ, JJ157QMJ, 1P57QMJ, BN157QMJ)
How to choose: Look up the engine code printed on the engine case. If the code contains "QM" or "FM", this assembly is listed as compatible.
Shop more: GY6 Scooter Parts · Chinese Scooter Parts · Scooter Cylinder Heads & Valves · Scooter Parts
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