Universal Parts QMB139 50mm Big Bore Cylinder Kit
$79.47
Universal Parts QMB139 50mm Big Bore Cylinder Kit
Out of stock
Brand :
Universal Parts 50mm Big Bore Cylinder Kit for 50cc 4-stroke QMB139 engines. Upgrades to 81.3cc based on a stock stroke of 41.4mm! Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket. *You may need to modify your engine case to accommodate the larger cylinder.
Upgrades to 81.3cc!
Bore: 50mm
Overall Height: 70mm
Cylinder Sleeve Outer Diameter: 54.4mm
SUPPORTED MODELS: QMB139 50cc/49cc , Various unlisted makes/models
Additional information
| Weight | 2.2 lbs |
|---|---|
| Dimensions | 6.5 × 5.5 × 4.5 in |
| Brand |