Engine / Transmission

QMB139 Engine Parts

Engine & Transmission 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.

50cc 4-stroke QMB139 scooter complete engine assembly. Short case .
- $329.99
Score: 5.00 (votes: 1)
50cc 4-stroke QMB139 scooter complete engine assembly. Long case .
- $339.99
Score: 5.00 (votes: 1)
50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Cover
- $39.99
Only 4 left in stock

Score: 5.00 (votes: 1)
50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Gasket
- $9.99
Only 5 left in stock

Score: 5.00 (votes: 1)
49cc 50cc 4-stroke QMB139 Scooter Emissions Valve Cover
- $29.99
Score: 5.00 (votes: 1)
49cc 50cc 4-stroke QMB 139 Scooter Valve Cover Gasket
- $4.99
Score: 5.00 (votes: 1)
49cc 50cc 4-stroke QMB139 Non-Emissions Valve Cover with Gasket
- $32.99
Not rated yet
50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 1
- $39.99
Not rated yet
50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 2
- $39.99
Not rated yet
50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 3
- $49.99
Only 2 left in stock

Not rated yet
50cc Scooter 4-stroke QMB139 Chrome CVT Cover Shortcase
- $74.99
Not rated yet
50cc Scooter 4-stroke QMB139 Chrome CVT Cover Longcase
- $79.99
Not rated yet