Sliding Pulley – 50/70 cc – GY6 4T – 139QMA / 139QMB

Description

High-quality sliding pulley (torque driver) is designed for scooters with GY6 4T 50 cc and 70 cc engines. It provides smoother CVT transmission operation and more efficient power transfer, improving acceleration and engine response.

It is suitable for both stock and modified engines. Manufactured from high-quality materials, it ensures long service life, a precise fit, and reliable operation even under higher loads.

Technical specifications

• Type: sliding pulley (torque driver)
• Suitable for: GY6 4T
• Engine displacement: 50 cc / 70 cc
• Height: 33 mm
• Version: sport (tuning)
• Easy Plug & Play installation

Fits

• GY6 50 4T
• GY6 70 4T
• Other scooters with GY6 engines using the same type of pulley

Advantages

• Smoother CVT transmission operation
• Improved power transfer
• Suitable for stock and modified engines
• High-quality and durable construction
• Long service life
• Easy installation without modifications

Package contents

• 1× sliding pulley
• 2× O-ring
• 2× gasket 34 × 39 × 3 mm