GY6 50cc (139QMB) 4T Scooter Variator Slide Pieces Set of 3
ITEM# TT-26628
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Description
Variator Slide Pieces for GY6 50cc and 80cc Engines
This three-piece variator slide kit is made for 4-stroke engines in the 139QMB family, covering both 50cc and 80cc sizes. The slides act as guides that link the variator pulley to the back plate. Their condition has a direct effect on CVT performance and throttle response. As with other GY6 50cc scooter parts, swapping out worn slides helps the scooter run more smoothly and cuts down on noise.
Key Features
Each slide piece is molded from black plastic and has a C/U-shaped body with notched engagement slots. The set is meant to take the place of the factory slide pieces in the front variator assembly, giving a precise fit and dependable operation. When you service the roller or slider weights, it is a good idea to inspect these slides and replace them if needed, so the scooter keeps running efficiently.
When to Replace
Over time, variator slides wear down, which can make the scooter louder and reduce its pep. Checking them during regular maintenance is a sensible habit. If you hear unfamiliar noises or notice acceleration falling off, replacing the slide pieces can bring back the lost performance.
Specifications
- Quantity: Set of 3
- Material: Black plastic
- Fits: CSC Go Max with 139QMB-based 50cc 4-stroke engine (front variator pulley slide pieces)
Fitment
Fits:
- CSC Go Max (139QMB-based 50cc 4-stroke engine)
How to choose: This part suits any 139QMB-based 50cc 4-stroke engine, including 139QMA, 1P39QMB, YN139QMB, or any QM/FM variant.
Where it goes: Refer to part #9 on the transmission diagram for the CSC Go Max.
Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Variators & Roller Weights · Scooter Parts
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