Polini hi-speed transmission kit for Yamaha Zuma and Vino 50cc 2-stroke – full kit contents Polini hi-speed transmission kit for Yamaha Zuma and Vino 50cc 2-stroke – full kit contents
Polini clutch springs and torque spring – Yamaha Zuma/Vino hi-speed transmission kit Polini clutch springs and torque spring – Yamaha Zuma/Vino hi-speed transmission kit
Polini silicon-aluminum alloy variator for Yamaha Zuma 50 horizontal Minarelli CVT Polini silicon-aluminum alloy variator for Yamaha Zuma 50 horizontal Minarelli CVT
Polini 6.9g 16x13mm roller weights – included in Yamaha Zuma/Vino transmission kit Polini 6.9g 16x13mm roller weights – included in Yamaha Zuma/Vino transmission kit
Polini hi-speed transmission kit for Yamaha Zuma and Vino 50cc 2-stroke – full kit contents
Polini clutch springs and torque spring – Yamaha Zuma/Vino hi-speed transmission kit
Polini silicon-aluminum alloy variator for Yamaha Zuma 50 horizontal Minarelli CVT
Polini 6.9g 16x13mm roller weights – included in Yamaha Zuma/Vino transmission kit

Polini

Polini Hi-Speed Transmission Kit – Yamaha Zuma/Vino 50cc

SKU 146-13
$150.00
Shipping calculated at checkout.
Description

The Polini Hi-Speed Transmission Kit is a complete CVT drivetrain upgrade for Yamaha Zuma and Vino 50cc 2-stroke scooters and other models with horizontal Minarelli engines. The kit bundles every major CVT component — variator, ramp plate, clutch springs, torque spring, and matched roller weights — so you can overhaul the entire CVT in one shot and dial in performance from launch to top speed.

This product is intended for off-road use only. This product is not intended for use on public roads or land.

Features

  • Complete CVT kit — variator through clutch in one package
  • Includes variator, ramp plate, slides, variator boss, 6.9g roller weights, clutch springs, and torque spring
  • Variator pulley machined from silicon-aluminum alloy for reduced wear and increased power transfer
  • Roller weights: 6.9g (16x13mm) for horizontal Minarelli CVT
  • Upgraded clutch and torque springs improve engagement and top-end pull

Specifications

Spec Detail
Kit contents Variator, ramp plate, slides, variator boss, roller weights, clutch springs, torque spring
Variator material Silicon-aluminum alloy
Roller weight size 16x13mm
Roller weight 6.9g
Engine type Horizontal Minarelli 2-stroke 50cc
Brand Polini (Italy)

 

Compatibility

Make Model
Yamaha Zuma 50 (2-stroke)
Yamaha Vino 50 (2-stroke)
Yamaha Jog 50
Malaguti Scooters with horizontal Minarelli engine
Aprilia SR50 (pre-2000)

 

Watch: Polini Hi-Speed Transmission Overview on YouTube
Product Diagrams
Features
  • Complete CVT transmission kit
  • Includes variator, ramp plate, slides, variator boss
  • 6.9g 16x13mm roller weights included
  • Upgraded clutch springs and torque spring
  • Fits Yamaha Zuma, Vino, Jog, Malaguti Minarelli, pre-2000 Aprilia SR50
  • Silicon-aluminum alloy variator pulley for reduced wear and more power
Specifications

Roller Size: 16x13mm | Roller Weight: 6.9g | Engine: Horizontal Minarelli 2-stroke 50cc | Kit Includes: Variator, Ramp Plate, Slides, Boss, Roller Weights, Clutch Springs, Torque Spring
Model Fitments

MakeModel
YamahaZuma 50 (2-stroke)
YamahaVino 50 (2-stroke)
YamahaJog 50
MalagutiScooters with horizontal Minarelli engine
ApriliaSR50 (pre-2000)
  • Same day shipping for orders placed before 2PM (CST) M-F
  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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