SPM

PSTN-0103+GSKT-0001+RL-050+OILPUMP-A1

80cc Big Bore Kits 139qmb Gy6 50cc Engine(64mm Valve) 139qmb 139qma Scooter Moped Parts #70001

EAN: 0519108163383

UPC: 519108163383

Rebuild Kits

This kit fits with most Chinese Scooters/Mopeds with 50cc, 60cc, 4-Stroke GY6/139QMB engines!!!
This bore kit can rebuild your 50cc 60cc 70cc 90cc bike to 100cc. This will increase your powerband anywhere from 50-75% so be ready to go faster!!!
70001 is for long valve 64mm version,( if you need 69mm version, please refer to the item NO.: 88806

Please carefully check your cylinder valve status BEFORE you place order. 70001 is for long valve 64mm version,(if you need 69mm version, please refer to the item NO.: 88806) 80 cc Big Bore Kit This kit fits with most Chinese Scooters/Mopeds with 50cc, 60cc, 4-Stroke GY6/139QMB engines!!! This bore kit can rebuild your 50cc 60cc 70cc 80cc bike to 100cc. This will increase your powerband anywhere from 50-75% so be ready to go faster!!! Included in this big bore set is: • Cylinder Engine Head, (64mm valves) • Cylinder (47mm ID) • Piston (47mm OD) • Wrist Pin • Complete Gaskets Set • Complete Ring Set • Qmb139 Roller Weights,16*13 • Oil Pump (42.5mm bolt hole spacing)

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