GY6 50cc (139QMB) Performance Variator Kit
ITEM# TT-16369
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Description
Performance Variator Kit for GY6 50cc and Honda Ruckus
This variator kit is built for GY6 50cc engines, among them the Honda Ruckus. It controls part of the automatic transmission, so it has a direct effect on how quickly the scooter pulls away and how fast it can go. You can find more options in our GY6 50cc scooter parts range. If your scooter feels slow to get moving or tops out below its usual speed, this kit may be a good fit to look at.
What This Part Does
The variator assembly and its weight rollers set how the scooter builds speed and where it levels off. Worn rollers or rollers with flat spots can lead to a sluggish start and a lower top speed. Choosing the right roller weight lets you favor either quicker acceleration or higher cruising speed, depending on how you ride.
Specifications
- Variator Outer Diameter: 89mm
- Boss Inner Diameter: 14mm
- Boss Outer Diameter: 20mm
- Boss Length: 39mm
- Fits: GY6 50cc QMB139 engines, including Honda Ruckus (NPS50) and other unlisted makes and models
Fitment
Compatible with:
- Honda Ruckus 50 (NPS50)
- QMB139 50cc/49cc engines (any make or model using them)
How to choose: Check that the variator matches your engine's boss dimensions: 14mm inner diameter, 20mm outer diameter, 39mm boss length, and 89mm variator outer diameter.
Shop more: GY6 50cc Scooter Parts (139QMB) · GY6 Scooter Parts · Scooter Variators & Roller Weights · Scooter Parts
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