GY6 O-ring 30.8 mm (125-150cc)
ITEM# TT-15676
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Description
GY6 O-Ring for 125-150cc Engines
This O-ring sits under the spring that holds the oil filter screen on GY6 engines between 125cc and 150cc. It forms a snug seal that helps stop oil from leaking and supports steady engine operation. It belongs to the group of GY6 scooter parts that keep the oil system sealed, and it matters most during routine service or repair work.
Construction and Purpose
This O-ring is made to form a tight seal that holds the oil filter screen spring in position. It is an important piece of the GY6 engine's lubrication setup. When you install a new one, take out the old O-ring completely so nothing is left behind that could cause a leak around the oil filter area.
When to Replace the O-Ring
Swap out the O-ring during regular oil changes, or whenever you spot oil seeping near the oil filter. Checking it regularly helps your engine run well and last longer. If the O-ring looks cut, flattened, or worn, fit a new one to avoid further trouble.
Specifications
- Inner Diameter: 30mm
- Thickness: 3mm
- Fits: GY6 125-150cc engines (157QMJ-based, incl. 152QMI, 161QMK, 154FMI)
Fitment
Compatible with:
- GY6 150cc (157QMJ) (under oil filter screen spring)
- GY6 125cc, 150cc, 169cc engines based on 157QMJ (engine codes 157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A)
- Other QMJ, QMK and QMI engines (engine code contains QM or FM)
How to choose: Pick the size that matches your engine: 30 mm inner diameter and 3 mm thickness, placed under the oil filter screen spring.
Where it goes: Refer to part #9 on the rh crankcase cover diagram for the GY6 150cc (157QMJ).
Shop more: GY6 Scooter Parts · Chinese Scooter Parts · Scooter Gaskets & Seals · Scooter Parts
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