Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, full kit contents include variator, outer drive face with starter gear teeth, ram plate, sliders, 6 roller weights, outer fan, drive boss Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, full kit contents include variator, outer drive face with starter gear teeth, ram plate, sliders, 6 roller weights, outer fan, drive boss
Blue Line variator kit 1100-1315 for compatible 139QMB and Genuine 50 scooters, showing pulley, six rollers, ramp plate and guide ring Blue Line variator kit 1100-1315 for compatible 139QMB and Genuine 50 scooters, showing pulley, six rollers, ramp plate and guide ring
Blue Line 1100-1315 variator for compatible 139QMB and Genuine 50 scooters, close-up of movable pulley belt surface and center boss Blue Line 1100-1315 variator for compatible 139QMB and Genuine 50 scooters, close-up of movable pulley belt surface and center boss
Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, close-up of six roller weights Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, close-up of six roller weights
Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, ramp plate with slide guides beside guide ring Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, ramp plate with slide guides beside guide ring
Blue Line 1100-1315 variator for compatible 139QMB and Genuine 50 scooters, diagram showing 88mm pulley and 13mm ramp plate opening Blue Line 1100-1315 variator for compatible 139QMB and Genuine 50 scooters, diagram showing 88mm pulley and 13mm ramp plate opening
Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, splined component, guide ring and ramp plate Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, splined component, guide ring and ramp plate
Blue Line 1100-1315 variator kit for compatible 139QMB scooters, dimension diagram with 26-spline center and 62-tooth starter outer drive face Blue Line 1100-1315 variator kit for compatible 139QMB scooters, dimension diagram with 26-spline center and 62-tooth starter outer drive face
Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, full kit contents include variator, outer drive face with starter gear teeth, ram plate, sliders, 6 roller weights, outer fan, drive boss
Blue Line variator kit 1100-1315 for compatible 139QMB and Genuine 50 scooters, showing pulley, six rollers, ramp plate and guide ring
Blue Line 1100-1315 variator for compatible 139QMB and Genuine 50 scooters, close-up of movable pulley belt surface and center boss
Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, close-up of six roller weights
Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, ramp plate with slide guides beside guide ring
Blue Line 1100-1315 variator for compatible 139QMB and Genuine 50 scooters, diagram showing 88mm pulley and 13mm ramp plate opening
Blue Line 1100-1315 variator kit for compatible 139QMB and Genuine 50 scooters, splined component, guide ring and ramp plate
Blue Line 1100-1315 variator kit for compatible 139QMB scooters, dimension diagram with 26-spline center and 62-tooth starter outer drive face

BLUE LINE

Blue Line 139QMB Variator Assembly - Complete kit

SKU 1100-1315
$27.00
Shipping calculated at checkout.
Description

This Blue Line variator kit refreshes the front CVT pulley assembly on compatible 139QMB scooters and Genuine Buddy 50 and RoughHouse 50 models. Replace worn variator components to help bring back smooth takeoffs and consistent shifting, making every pull away from a stop more enjoyable. The assembly features an 88 mm movable pulley, six roller weights, a ramp plate and slide guides.

Genuine Buddy 50 and RoughHouse 50 installations must reuse the original OEM outer drive face.

Key Features

  • Aftermarket replacement: Blue Line assembly for compatible 139QMB-family CVTs and the specified Genuine applications.
  • 88 mm movable pulley: Provides a fresh belt-contact surface when replacing a worn variator.
  • Six roller weights: Included with the assembly for a coordinated variator refresh.
  • Ramp plate and slide guides: Included to guide the variator's shifting movement.
  • Clear Genuine installation requirement: Retain the original outer drive face on Buddy 50 and RoughHouse 50 scooters.

Technical Specifications

  • Brand: Blue Line
  • Part number: 1100-1315
  • Part type: Front CVT variator kit
  • Classification: Aftermarket replacement
  • Movable pulley outside diameter: 88 mm
  • Ramp plate center opening: 13 mm
  • Toothed drive plate center: 26 splines
  • Toothed drive plate perimeter: 62 teeth
  • Roller quantity: Six
  • Engine applications: Compatible 139QMB-family 50cc engines and matching 80cc-converted applications; Genuine Buddy 50 and RoughHouse 50
  • Genuine installation requirement: Reuse OEM outer drive face

Compatibility

Application Installation requirement
Genuine Buddy 50 Reuse original OEM outer drive face
Genuine RoughHouse 50 Reuse original OEM outer drive face
Compatible TaoTao and other 139QMB-family scooters Match pulley, shaft, drive plate and CVT configuration

 

Engine references include 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB and 147QMD. Other QMA and QMB applications require matching components. Engine-code letters alone do not establish compatibility. For modified 80cc engines, confirm that the original compatible CVT configuration is retained.

Inspect the drive belt and related CVT components during service, and follow the applicable installation instructions for assembly and fastener torque.
Product Diagrams
Features
  • Aftermarket replacement for compatible 139QMB-family CVTs
  • 88mm movable variator pulley
  • Six roller weights included
  • Ramp plate and slide guides included
  • Genuine Buddy 50 and RoughHouse 50 require reuse of OEM outer drive face
Specifications

Brand: Blue Line; Part number: 1100-1315; Type: Front CVT variator kit; Classification: Aftermarket replacement; Movable pulley OD: 88 mm; Ramp plate center opening: 13 mm; Toothed drive plate center: 26 splines; Toothed drive plate perimeter: 62 teeth; Rollers: Quantity 6; Genuine Buddy 50/RoughHouse 50: Reuse OEM outer drive face
Model Fitments

Genuine Buddy 50 and RoughHouse 50, reuse OEM outer drive face; Compatible TaoTao and other 139QMB-family scooters; Engine references: 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD; Other QMA/QMB and 80cc-converted applications require matching CVT components
  • 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.
Since 1989

Supplying parts and accessories for vintage and modern scooters since 1989 – Over Half a Million Served and Counting!

Comprehensive Resource

From wear-and-tear items like tires and oil filters to aftermarket parts from industry-leading brands.

Dealer Focused

With a committed team of dealer-focused sales reps and streamlined pricing and shipping processes, we are dedicated to supporting your business.

Innovative

Our team constantly strives to develop and source the best new products for your scooter.