Naraku Super Transmission Kit Eco for QMB139 50cc scooters. Includes variator, clutch & bell. Fits Genuine Buddy 50, Roughhouse 50, Kymco Agility 50. SKU 137-2. Naraku Super Transmission Kit Eco for QMB139 50cc scooters. Includes variator, clutch & bell. Fits Genuine Buddy 50, Roughhouse 50, Kymco Agility 50. SKU 137-2.
Naraku QMB139 clutch shoe assembly — front view showing 3-shoe design with red performance springs and Naraku branding Naraku QMB139 clutch shoe assembly — front view showing 3-shoe design with red performance springs and Naraku branding
Naraku Super Transmission Kit Eco for QMB139 50cc scooters. Includes variator, clutch & bell. Fits Genuine Buddy 50, Roughhouse 50, Kymco Agility 50. SKU 137-2.
Naraku QMB139 clutch shoe assembly — front view showing 3-shoe design with red performance springs and Naraku branding

Naraku

Naraku QMB139 Super Transmission Kit Eco - 50cc Scooters

SKU 137-2
$159.00 Sold out
Shipping calculated at checkout.
Description

Naraku Super Transmission Kit Eco for GY6 QMB139 50cc scooters. Complete CVT transmission kit including variator drive face with sliding sheave and ramp plate, 6 roller weights, clutch shoe assembly with red springs, clutch bell, and spacer sleeve. Naraku SKU: 137-2.

Not intended for use on public roads or land.

  • Complete CVT kit: variator, clutch shoe assembly, clutch bell, roller weights, and spacer
  • Vented 6-spoke clutch bell design
  • Clutch shoe assembly with red performance springs
  • Roller weight size: 16x13mm (6g) — set of 6
  • Fits GY6 QMB139 50cc/49cc engines
  • Naraku SKU: 137-2

Specifications

  • Roller Weight Size: 16x13mm (6g)
  • Variator Outer Diameter: 88mm
  • Clutch Bell Inner Diameter: 107mm
  • Clutch Bell Outer Diameter: 117mm
  • Clutch Drum Splines: 22
  • Clutch Drum Spline Inner Diameter (peak to peak): 11.10mm
  • Clutch Shoe Inner Diameter (flat side to flat side): 24mm
  • Clutch Shoe Inner Diameter (round side to round side): 28mm
  • Clutch Shoe Overall Outer Diameter: 105mm
  • Clutch Shoe Overall Height: 30mm
  • Clutch Sheave: 119mm
  • SKU: 137-2

Kit Contents

  • Variator drive face with sliding sheave and ramp plate
  • 6x roller weights (16x13mm, 6g)
  • Clutch shoe assembly with red springs
  • Clutch bell (6-spoke vented)
  • Spacer sleeve

Compatibility

Make Model
Genuine Buddy 50, Roughhouse 50
Honda Metropolitan (CHF50), Ruckus (NPS50)
Yamaha Zuma 50F (BWS 50 Gen 2), C3/XF50
Kymco Agility 50, People 50
SYM Mio 50
Various All GY6 QMB139 50cc/49cc scooters

 

California Prop 65 Warning: www.p65warnings.ca.gov
Product Diagrams
Features
  • Complete CVT kit: variator, clutch shoe assembly, clutch bell, roller weights, and spacer
  • Vented 6-spoke clutch bell design
  • Clutch shoe assembly with red performance springs
  • Roller weight size: 16x13mm (6g) — set of 6
  • Fits GY6 QMB139 50cc/49cc engines | Naraku SKU: 137-2
Specifications

Roller Weight: 16x13mm (6g) | Variator OD: 88mm | Clutch Bell ID: 107mm | Clutch Bell OD: 117mm | Drum Splines: 22 | Drum Spline ID: 11.10mm | Shoe ID (flat): 24mm | Shoe ID (round): 28mm | Shoe OD: 105mm | Shoe Height: 30mm | Clutch Sheave: 119mm | SKU: 137-2
Model Fitments

Genuine Buddy 50, Roughhouse 50 — Honda Metropolitan (CHF50), Ruckus (NPS50) — Yamaha Zuma 50F (BWS 50 Gen 2), C3/XF50 — Kymco Agility 50, People 50 — SYM Mio 50 — all GY6 QMB139 50cc/49cc scooters
  • 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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