GY6 Crankcase Bearing (6004)
ITEM# TT-26879
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Description
GY6 Crankcase Bearing for Chinese Scooter Engines
The 6004 crankcase bearing is made to take the place of the factory bearing in GY6 Chinese scooter engines. It plays a key role in keeping the engine running smoothly. If you notice engine noise or vibration, this is one of the simpler GY6 scooter parts worth checking. Getting this bearing working properly can help your scooter's engine last longer.
Why It Matters
This crankcase bearing supports the moving internals of GY6 engines. When it wears or gets damaged, friction increases and the engine can eventually fail. Checking it regularly and replacing it when needed helps keep the engine performing well.
Installation Fit
The 6004 bearing sits straight into the crankcase in the same spot as the original. Its dimensions give a tight fit that holds the engine's rotating parts in place. It works with several GY6 engine codes, so it suits a range of models.
Specifications
- Inner Diameter: 20mm
- Outer Diameter: 42mm
- Width: 12mm
- OEM Part Number: 6004
- Fits: GY6 150cc (157QMJ) crankcase, 157QMJ-based 125cc, 150cc and 169cc engines
Compatible Engines
Fits:
- GY6 150cc (157QMJ)
- 157QMJ-based 125cc, 150cc and 169cc engines (engine codes 157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A)
- Other QMJ, QMK and QMI engines (codes with "QM" or "FM")
How to choose: Compare the engine code stamped on your engine case with the codes above. Any code containing "QM" or "FM" is covered.
Where it goes: part #9 on the crankcase diagram for the GY6 150cc (157QMJ).
Shop more: GY6 Scooter Parts · Chinese Scooter Parts · Scooter Bearings · Scooter Engines & Engine Parts · Scooter Parts
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