Description
Valve-Adjusting Screws for GY6 Engines
This set of valve-adjusting screws is designed specifically for 157QMJ-based engines commonly found in 125cc, 150cc, and 169cc scooters. These screws play a key role in maintaining proper valve clearance, which is important for engine performance. It is one of the necessary GY6 scooter parts that can help ensure your engine runs smoothly. If you're working on your scooter, these screws are an important component for your maintenance or repair project.
Compatibility
These screws are compatible with a variety of engine codes including 157QMJ, 161QMK, 152QMI, and 1P61QMK. They also fit engines with codes YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, and 1P57QMJ, among others. If your engine code features "QM" or "FM," these screws will likely be suitable for your vehicle.
When to Replace
It's advisable to replace valve-adjusting screws if you notice engine noise or irregular performance. Over time, these screws can wear down or become stripped, making it difficult to maintain proper valve adjustments. Regular inspection can help you catch any issues early, ensuring your engine remains in good condition.
Specifications
- Set: 2 screws
- Thread Size: M5x0.50
Fitment
These screws are suitable for a range of scooters equipped with GY6 engines.
- 157QMJ
- 161QMK
- 152QMI
- 1P61QMK
- YN1P57QMJ
- 1P52FMI
- 154FMI
- JJ157QMJ
- 1P57QMJ
- BN157QMJ
- BN161QMK-A
Not sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.
Shop more: GY6 Scooter Parts · Chinese Scooter Parts · Scooter Cylinder Heads & Valves · Scooter Bolts, Screws & Hardware · Scooter Parts
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