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Engine Parts

Stock parts for 49cc / 50cc 4-stroke QMB139 engines. This engine is one of the most popular 50cc 4-stroke engines used in Chinese & Taiwanese scooters.

New Products For November - Engine Parts

QMB139 Carb Repair Kit

Repair Kit for the QMB139 50cc 4-stroke...

$13.99
Kickstarter Ratchet Gear

Kick Starter Rachet Gear for 50cc 4-str...

$4.99
Cooling Fan

Cooling Fan for 50cc 4-stroke QMB139 en...

$5.49
Drive Face Gear

Drive Face Gear for 50cc 4-stroke QMB13...

$7.99
QMB139 Complete Variator Set

Complete Variator Set for 50cc 4-stroke...

$42.99
Drive Face Spacer

Drive Face Spacer for 50cc 4-stroke QMB...

$2.49

Monthly Specials For November

Standard CVT Belt 669-18-30

Stock CVT Drive Belt size 669-18-30 for...

$14.99 $12.00Save: 20% off
Air Filter Assembly

Complete Air Filter Assembly for 50cc 4...

$34.99 $24.99Save: 29% off