72cc Big Bore Cylinder Kit for GY6, Kymco 4-stroke, 139QMB/QMA QMB139 Scooter Engines
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cylinder kit 72cc for Benero Retro Style 50 4T
72cc Big Bore Cylinder Kit for GY6, Kymco 4-stroke, 139QMB/QMA QMB139 Scooter Engines
72cc Big Bore Cylinder Kit for GY6, Kymco 4-stroke, 139QMB/QMA QMB139 Scooter Engines
cylinder kit 72cc for Benero Retro Style 50 4T
Item Nr.:
BT27365
101 Octane
Add on wish list
$45.57
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72cc Big Bore Cylinder Kit for GY6, Kymco 4-stroke, 139QMB/QMA QMB139 Scooter Engines

72cc (47mm) kit for all 50cc 4 stroke Chinese scooters which use the GY6 139QMA/QMB engines and Kymco 4T.
A low cost performance upgrade to stock 50cc engines. Carburettor will need up jetting (approx 10%). Kit is supplied with required top end gaskets, barrel, piston, rings, pin and clips.

Please note: For Sym scooters this kit is only suitable for the GY6 139QMB engine version and not the XS1P139QMB, AV05W or AW05W engine or the Sym Symply 2 models
Item Nr.:
BT27365
Ready for shipment:
7 days
manufacturer:
101 Octane
Weight:
1.02 kg
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spare parts
piston set 72cc incl. rings, clips and pin for 47mm cylinder for China Scooter
 
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accessories
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