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Monster Scooter Parts | SKU:
X98-6746-001
50cc 139QMB Scooter & Go-Kart Engine Crankcase Cover
$18.99
Unit price
/
Unavailable
50cc 139QMB Scooter & Go-Kart Engine Crankcase Cover - Long Case is backordered and will ship as soon as it is back in stock.
Free Shipping
Free Shipping
- US domestic ship to addresses only.
- Does not include expedited shipping services.
50cc 139QMB Scooter & Go-Kart Engine Crankcase Cover
$18.99
Unit price
/
Unavailable
Key Features
- Two length styles
- Long case or short case
- Black finish
Description
Description
Here is a 50cc 139QMB scooter & go-kart engine crankcase cover for those popular 4-stroke 139QMB engines that put the power to so many of today's 49/50cc motor scooters. These are probably the most common scooter and go-kart engines, and many millions have been made over the years.
Two styles are available, the long case and the short case versions. Both sport a nice black finish.
The short case engine is designed for use with 10" diameter rear rims. This would correspond to a tire size of 2.75-10 through 3.50-10. A short case engine will not accommodate rear tires that are larger than 3.50-10.
The long case engine is designed to allow the use of 12" rear rims. This would correspond to a tire size of 110/70-12 through 140/70-12. Please use your rear tire size to determine which crankcase cover is right for your go-kart or street-legal motor scooter.
⚠ WARNING California Residents: Proposition 65 Warning
The short case engine is designed for use with 10" diameter rear rims. This would correspond to a tire size of 2.75-10 through 3.50-10. A short case engine will not accommodate rear tires that are larger than 3.50-10.
The long case engine is designed to allow the use of 12" rear rims. This would correspond to a tire size of 110/70-12 through 140/70-12. Please use your rear tire size to determine which crankcase cover is right for your go-kart or street-legal motor scooter.
⚠ WARNING California Residents: Proposition 65 Warning