Universal Parts QMB139 50mm Big Bore Cylinder Kit ac horn All GTS produced 1/2022 or

All GTS produced 1/2022 or later

Recommended Support Mods

Universal Parts Starter Clutch Assembly for VOG 260 BN169MM Engines commonly found in Linhai 250/260/300 Scooters and many other makes and models

which has a heart-shaped cutout on the bottom to accommodate the larger jets

Made of plastic

Universal Parts QMB139 50mm Big Bore Cylinder Kit ac horn All GTS produced 1/2022 orThis Universal Parts 50mm Big Bore Cylinder Kit fits 50cc 4 stroke 139QMB engines, upgrading bikes to 81. 3cc based on a stock stroke of 41. 4mm! Specifications: Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket Bore: 50mm Overall Height: 70. 5mm Cylinder Sleeve Outer Diameter: 53mm 139QMB based 50cc 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA 2 YN139QMB JJ1P39QMB 139FMA 2 BD1P39QMB BN139QMB