Description
GY6 Crankcase Bearing for Chinese Scooter Engines
The 6004 crankcase bearing is designed to replace the stock bearing in GY6 Chinese scooter engines. This part is important for maintaining smooth engine operation. It is one of the straightforward GY6 scooter parts to consider for replacement, especially if you are experiencing engine noise or vibration. Ensuring proper function with this bearing can help extend the life of your scooter's engine.
Replacement Purpose
This crankcase bearing is necessary for the internal workings of GY6 engines. A worn or damaged bearing can lead to increased friction and potential engine failure. Regular inspection and timely replacement of this part help maintain engine performance.
How It Fits
The 6004 bearing fits directly into the crankcase where the original bearing was installed. With precise dimensions, it ensures a snug fit that supports the engine's rotating components effectively. This part is compatible with various GY6 engine codes, making it a versatile choice for many models.
Specifications
- Inner Diameter: 20mm
- Outer Diameter: 42mm
- Width: 12mm
- OEM Part Number: 6004
Fitment
This bearing is compatible with 157QMJ-based engines, including models with the following engine codes:
- 157QMJ: 161QMK; 152QMI; 1P61QMK
- YN1P57QMJ: 1P52FMI; 154FMI; JJ157QMJ
- 1P57QMJ: BN157QMJ; BN161QMK-A; Other QMJ, QMK, and QMI models
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 Bearings · Scooter Engines & Engine Parts · Scooter Parts
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