GY6 Variator Boss
ITEM# TT-16057
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Description
GY6 Variator Boss for 125cc and 150cc GY6 Engines
The GY6 Variator Boss forms part of the automatic drive system in scooters that use GY6 4-stroke QMI152/157 and QMJ152/157 engines. It helps control how the transmission changes gear, which has a direct effect on pickup and top speed. It is one of the GY6 scooter parts that helps keep the machine running well, particularly when wear makes starting off or reaching speed difficult. Fitting a new one can noticeably sharpen how your scooter responds.
Function of This Component
The variator boss works together with its roller weights to affect how the drive shifts. Worn or damaged roller weights can lead to slow acceleration and a lower top speed. Choosing roller diameter and width that suit your variator is key to keeping performance where it should be.
Specifications
- Inner Diameter: 15mm
- Outer Diameter: 24mm
- Length: 51.4mm
- Fits: GY6 125cc and 150cc 4-stroke engines (QMI152/157 and QMJ152/157)
Compatibility
Fits:
- GY6 125cc 4-stroke engine (QMI152/157 or QMJ152/157)
- GY6 150cc 4-stroke engine (QMI152/157 or QMJ152/157)
How to choose: Check that your engine code reads QMI152/157 or QMJ152/157, and confirm the part measures 15mm inside, 24mm outside and 51.4mm long.
Shop more: GY6 Scooter Parts · Chinese Scooter Parts · Scooter Variators & Roller Weights · Scooter Parts
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