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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class="photo" width="160" height="107" style="margin: 0 auto;margin-bottom:26px;margin-top:27px;" src="//www.extrememotorsales.com/watermark/product/160.160/22040.jpg" alt="50cc 4-stroke QMB139 scooter complete engine assembly| Short case" data-max-width="160" data-max-height="160" />

50cc 4-stroke QMB139 scooter complete engine assembly| Short case
- $449.99
Only 5 left in stock

Score: 5.00 (votes: 1)
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class="photo" width="160" height="105" style="margin: 0 auto;margin-bottom:27px;margin-top:28px;" src="//www.extrememotorsales.com/watermark/product/160.160/22041.jpg" alt="50cc 4-stroke QMB139 scooter complete engine assembly| Long case" data-max-width="160" data-max-height="160" />

50cc 4-stroke QMB139 scooter complete engine assembly| Long case
- $499.99
Only 4 left in stock

Score: 5.00 (votes: 1)
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class="photo" width="160" height="140" style="margin: 0 auto;margin-bottom:10px;margin-top:10px;" src="//www.extrememotorsales.com/watermark/product/160.160/151157.jpg" alt="50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Cover" data-max-width="160" data-max-height="160" srcset="https://www.extrememotorsales.com/watermark/product/320.320/151157.jpg 2x" />

50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Cover
- $49.99
Only 3 left in stock

Score: 5.00 (votes: 1)
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class="photo" width="160" height="132" style="margin: 0 auto;margin-bottom:14px;margin-top:14px;" src="//www.extrememotorsales.com/watermark/product/160.160/15158.jpg" alt="50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Gasket" data-max-width="160" data-max-height="160" srcset="https://www.extrememotorsales.com/watermark/product/320.320/15158.jpg 2x" />

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

Score: 5.00 (votes: 1)
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class="photo" width="160" height="138" style="margin: 0 auto;margin-bottom:11px;margin-top:11px;" src="//www.extrememotorsales.com/watermark/product/160.160/151116.jpg" alt="49cc 50cc 4-stroke QMB139 Scooter Emissions Valve Cover" data-max-width="160" data-max-height="160" srcset="https://www.extrememotorsales.com/watermark/product/320.320/151116.jpg 2x" />

49cc 50cc 4-stroke QMB139 Scooter Emissions Valve Cover
- $29.99
Score: 5.00 (votes: 1)
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class="photo" width="121" height="160" src="//www.extrememotorsales.com/watermark/product/160.160/1515.jpg" alt="49cc 50cc 4-stroke QMB 139 Scooter Valve Cover Gasket" data-max-width="160" data-max-height="160" srcset="https://www.extrememotorsales.com/watermark/product/320.320/1515.jpg 2x" />

49cc 50cc 4-stroke QMB 139 Scooter Valve Cover Gasket
- $4.99
Score: 5.00 (votes: 1)
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class="photo" width="160" height="153" style="margin: 0 auto;margin-bottom:3px;margin-top:4px;" src="//www.extrememotorsales.com/watermark/product/160.160/151244.jpg" alt="49cc 50cc 4-stroke QMB139 Non-Emissions Valve Cover with Gasket" data-max-width="160" data-max-height="160" srcset="https://www.extrememotorsales.com/watermark/product/320.320/151244.jpg 2x" />

49cc 50cc 4-stroke QMB139 Non-Emissions Valve Cover with Gasket
- $32.99
Not rated yet
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class="photo" width="160" height="82" style="margin: 0 auto;margin-bottom:39px;margin-top:39px;" src="//www.extrememotorsales.com/watermark/product/160.160/cvt-cover-15177.jpg" alt="50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 1" data-max-width="160" data-max-height="160" />

50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 1
- $39.99
Not rated yet
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class="photo" width="160" height="92" style="margin: 0 auto;margin-bottom:34px;margin-top:34px;" src="//www.extrememotorsales.com/watermark/product/160.160/cvt-cover-15197.jpg" alt="50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 2" data-max-width="160" data-max-height="160" />

50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 2
- $39.99
Not rated yet
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class="photo" width="160" height="107" style="margin: 0 auto;margin-bottom:26px;margin-top:27px;" src="//www.extrememotorsales.com/watermark/product/160.160/151223.jpg" alt="50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 3" data-max-width="160" data-max-height="160" />

50cc Scooter 4-stroke QMB139 Left Crankcase Cover Type 3
- $49.99
Only 2 left in stock

Not rated yet
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class="photo" width="160" height="97" style="margin: 0 auto;margin-bottom:31px;margin-top:32px;" src="//www.extrememotorsales.com/watermark/product/160.160/169337.jpg" alt="50cc Scooter 4-stroke QMB139 Chrome CVT Cover Shortcase" data-max-width="160" data-max-height="160" />

50cc Scooter 4-stroke QMB139 Chrome CVT Cover Shortcase
- $74.99
Not rated yet
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class="photo" width="160" height="92" style="margin: 0 auto;margin-bottom:34px;margin-top:34px;" src="//www.extrememotorsales.com/watermark/product/160.160/169338.jpg" alt="50cc Scooter 4-stroke QMB139 Chrome CVT Cover Longcase" data-max-width="160" data-max-height="160" />

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

Bestsellers

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class="photo" width="160" height="107" style="margin: 0 auto;margin-bottom:26px;margin-top:27px;" src="//www.extrememotorsales.com/watermark/product/160.160/15155.jpg" alt="50cc Scooter 4-stroke QMB139 Final Drive Shaft 49cc" data-max-width="160" data-max-height="160" />

50cc Scooter 4-stroke QMB139 Final Drive Shaft 49cc
- $32.99
Only 9 left in stock

Not rated yet
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class="photo" width="160" height="140" style="margin: 0 auto;margin-bottom:10px;margin-top:10px;" src="//www.extrememotorsales.com/watermark/product/160.160/151157.jpg" alt="50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Cover" data-max-width="160" data-max-height="160" srcset="https://www.extrememotorsales.com/watermark/product/320.320/151157.jpg 2x" />

50cc 4-stroke QMB139 Scooter 4-Stroke Gear Box Cover
- $49.99
Only 3 left in stock

Score: 5.00 (votes: 1)