72cc 47 mm High Performance Big Bore Cylinder Kit for 50cc QMB139 Scooter Engines Fit Right 12 Volt Our 9" (220x75) pneumatic rear

Our 9" (220x75) pneumatic rear wheel for Golden Technologies Companion I (GC240) is unique in that it isn't compatible with any other mode

Voltage regular for Arctic Cat BearCat

The 200x50 (8"x2") flat free rear wheel assembly for the ActiveCare Spitfire 1310 and 1410 scooters comes complete with a non-marking gray tire

Note: And never go go-karting without wearing a seatbelt

Baja Motorsports: PX250s-589

72cc 47 mm High Performance Big Bore Cylinder Kit for 50cc QMB139 Scooter Engines Fit Right 12 Volt Our 9" (220x75) pneumatic rearOur 72cc scooter big bore cylinder kit is great for increasing overall performance on small under powered 50cc QMB139 scooter engines. Engine kit increases engine bore size from 50cc to 72cc and includes everything shown in the image; cylinder, rings, and gaskets. This 72cc scooter engine kit increases low end acceleration as well as top speed. This high performance scooter big bore engine kit is easy to install. Combine with a high performance