Blue Line 729x17.7x30 CVT drive belt (SKU 1200-1242) — black rubber cogged V-belt with fine transverse inner cogs and smooth flat outer edge with size markings; for 139QMB long case 50cc scooters Blue Line 729x17.7x30 CVT drive belt (SKU 1200-1242) — black rubber cogged V-belt with fine transverse inner cogs and smooth flat outer edge with size markings; for 139QMB long case 50cc scooters
Blue Line 729x17.7x30 CVT drive belt (SKU 1200-1242) — detail of printed label band, oil & heat resistant and anti-static properties in yellow, and red end-marker Blue Line 729x17.7x30 CVT drive belt (SKU 1200-1242) — detail of printed label band, oil & heat resistant and anti-static properties in yellow, and red end-marker
Blue Line 729x17.7x30 CVT drive belt (SKU 1200-1242) — black rubber cogged V-belt with fine transverse inner cogs and smooth flat outer edge with size markings; for 139QMB long case 50cc scooters
Blue Line 729x17.7x30 CVT drive belt (SKU 1200-1242) — detail of printed label band, oil & heat resistant and anti-static properties in yellow, and red end-marker

BLUE LINE

Blue Line 729x17.7x30 CVT Drive Belt - 139QMB Long Case

SKU 1200-1242
$17.00
Shipping calculated at checkout.
Description

Blue Line replacement CVT drive belt for 139QMB long-case 50cc scooters — black rubber ribbed/cogged V-belt with oil- and heat-resistant, anti-static compound.

729mm length, 17.7mm width, 30° groove angle. 

Key Features:

  • 139QMB long case fitment — direct replacement CVT drive belt for 50cc scooters with 12"-14" rear wheels.
  • Fine transverse inner cogs — oil & heat resistant, anti-static rubber compound
  • 729mm length | 17.7mm top width | 30° groove angle
  • Fits a wide range of Chinese-made 50cc scooter brands and models (see compatibility list)
  • SKU: 1200-1242 | Made in China by Blue Line

Specifications:

  • Brand: Blue Line
  • SKU: 1200-1242
  • Length: 729mm
  • Top width: 17.7mm
  • Groove angle: 30°
  • Compound: Oil & heat-resistant, anti-static rubber
  • Engine: 139QMB (GY6 50cc) long case
  • Weight: 0.3 lbs
  • Made in China

Compatibility:

Fits 139QMB (GY6 50cc) long case engines. Compatible with many Chinese 50cc scooter brands, including Peace Sports, Tao Tao, Icebear, Jonway, Velocity, ZNEN, Wolf, Puma Cycles, Baccio, Bintelli, BMS, Fly Scooter, Schwinn, SSR Motorsports, and SunL. See model metafields for the full fitment list.
Product Diagrams
Features
  • 139QMB long case fitment — direct replacement CVT drive belt for 50cc GY6-style scooters (SKU: 1200-1242)
  • Fine transverse inner cogs on inner face — oil & heat resistant, anti-static rubber compound
  • 729mm x 17.7mm x 30° — correct for 139QMB long case variator and clutch sheave spacing
  • Fits dozens of Chinese 50cc scooter brands and models | Made in China by Blue Line
Specifications

Brand: Blue Line | SKU: 1200-1242 | Length: 729mm | Top width: 17.7mm | Groove angle: 30° | Compound: Oil & heat resistant, anti-static rubber | Engine: 139QMB GY6 50cc long case | Weight: 0.3 lbs | Origin: China
Model Fitments

139QMB (GY6 50cc) long case engine | Compatible with Peace Sports, Tao Tao, Icebear, Jonway, Velocity, ZNEN, Wolf, Puma Cycles, Baccio, Bintelli, BMS, Fly Scooter, Schwinn, SSR Motorsports, SunL, and other Chinese 50cc scooter brands | See model list for full fitment | CVT drive belt position
  • 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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