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Brand Model Engine Genuine Buddy 50 139QMB / GY50 Genuine RoughHouse 50 139QMB / GY50 Universal GY6 50cc scooters 139QMB / GY50 Looking to upgrade the entire transmission
Maximize the volumetric efficiency of your 5-speed engine with the Koso 28mm Throttle Body
K-Max offers upgrade options such as backrest and lighting kits for customization and are competitively priced
Clutch dimensions inner: 32
Components: Switch
Naraku GY6 58.5mm Big Bore Kit UNI Brand Model Engine Genuine BuddyNaraku 58. 5mm Big Bore Kit for 125cc and 150cc GY6 4 stroke engines and engine based vehicles. Easy to install! Just bolt on with no crankcase modifications needed. Bore: 58. 5mm Outer Sleeve Diameter: 60. 3mm Displacement Increase to 155cc Overall Height (cylinder): 91. 5mm Stud Spacing: 76. 5mm GY6 QMI QMJ 152 157, Various unlisted makes models This product is not intended for use on public roads or land.
