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.
Features
Aramid cord reinforcement for exceptional strength and heat resistance
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
