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.

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50cc 4-stroke QMB139 scooter complete engine assembly. Short case .
- $329.99
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50cc 4-stroke QMB139 scooter complete engine assembly. Long case .
- $339.99
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50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Cover
- $39.99
Only 4 left in stock

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50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Gasket
- $9.99
Only 5 left in stock

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49cc 50cc 4-stroke QMB139 Scooter Emissions Valve Cover
- $29.99
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49cc 50cc 4-stroke QMB 139 Scooter Valve Cover Gasket
- $4.99
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49cc 50cc 4-stroke QMB139 Non-Emissions Valve Cover with Gasket
- $32.99
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50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 1
- $39.99
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50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 2
- $39.99
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50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 3
- $49.99
Only 2 left in stock

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50cc Scooter 4-stroke QMB139 Chrome CVT Cover Shortcase
- $74.99
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50cc Scooter 4-stroke QMB139 Chrome CVT Cover Longcase
- $79.99
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