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Blue Line CVT Drive Belt 669 18 30; 139QMB, GY6 50

Blue Line CVT Drive Belt 669 18 30; 139QMB, GY6 50

$22.44

Part Number: 718046946793 SKU: 1200-1187 Category: Tags: ,

10 in stock

Part Number: 718046946793 SKU: 1200-1187 Category: Tags: ,

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Orders placed by 1pm EST on weekdays ship the same day.

Product Details

Description

Blue Line CVT Drive Belt 669 18 30; 139QMB, GY6 50

Key Details

  • Original Parts For Scooters SKU: 106-147, SKU 151-32

Specifications

  • Length: 669mmnTop Width: 18mmnGroove Angle: 30°n SUPPORTED MODELS: Universal Fit
  • Width: 18mmnGroove Angle: 30°n SUPPORTED MODELS: Universal Fit

Compatibility

Fits many 139QMB-based 50cc / 80cc scooter engines. Confirm measurements, connector style, and engine family before ordering.

Compatibility / Fitment

Use the fitment details below to confirm this part matches your scooter before ordering.

  • Engine Size: 50cc, 80cc, GY6
  • Engine Code: 139QMB
  • Fitment Notes: CVT, Universal Fit, Auto Transmission

Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.

Common Fitment Questions

Q: Will this fit a 139QMB engine?

A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.

Q: Is this for 50cc scooters?

A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.

Additional information

Weight 0.45 lbs
Dimensions 8 × 4 × 2 in
Size

669x18x30

Condition New

Replace a worn or snapped CVT drive belt on your 139QMB 50cc 4-stroke scooter with this Blue Line 669-18-30 aramid-reinforced belt. The tooth surface is covered in durable nylon fabric to reduce noise and improve transmission efficiency, backed by a high-strength chloroprene rubber core and robust aramid cord layers for outstanding heat dissipation and wear resistance. Fits most 139QMB short-case 50cc engines with 10-inch wheels.

  • Aramid cord reinforcement for exceptional strength and heat resistance
  • Nylon tooth surface fabric — reduces noise, improves efficiency
  • High-strength chloroprene rubber core
  • Fits 139QMB / 139QMA short-case 50cc 4-stroke engines
  • Compatible with CSC go, go MAX, Pug 50, Nitro Sport 50, Bella Classic 50 and many other popular import models
  • SKU: 1200-1187
  • Belt Size: 669-18-30
  • Belt Circumference: 669mm
  • Belt Width: 18mm
  • Drive Face Angle: 30°
  • Construction: Aramid cord, chloroprene rubber, nylon tooth fabric
  • Country of Origin: China
Brand Models
CSC (Chicago Scooter Co.) go, go MAX, Pug 50, Nitro Sport 50, Bella Classic 50
139QMB / 139QMA Engines All 49/50cc short-case 4-stroke scooters with 10" wheels

Compatible Engine Codes

139QMB-Based Engine Codes
139QMA 139QMB 1P39QMB 1P39QMA-2
YN139QMB JJ1P39QMB 139FMA-2 BD1P39QMB
BN139QMB 147QMD Other QMA models Other QMB models

Don't see your engine code? If the engine is a 4-stroke 49/50cc, has a 10" wheel, and the engine code includes "QM" or "FM", this belt is highly likely to be compatible with your vehicle.

California Prop 65 Warning: www.p65warnings.ca.gov

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