Piston Kit - 47mm - 70cc 90cc Engine Dimensions (+/- 1/16 inch): 4

Dimensions (+/- 1/16 inch): 4 1/2 x 2 13/16 x 4 3/16 inches

21 inch overall wire length

then you most likely need to replace the voltage regulator

Measure your old chain to make sure correct chain is ordered

Carburetor for ATVs

Piston Kit - 47mm - 70cc 90cc Engine Dimensions (+/- 1/16 inch): 447mm Piston Kit for ATVs, Scooters Mopeds, Dirt Bikes and Go Karts. This 47mm piston kit is the replacement part for many 4 stroke Chinese atvs, dirt bikes, go karts and scooters. Piston kits ship complete with piston, piston rings, piston pin and piston clips. This kit fits 70cc and 90cc models. Piston kit description: Piston Height: 41mm (1. 61 in) Piston Diameter: 47mm (1. 85 in) Piston Pin Length: 38mm (1. 49 in) Piston Pin Diameter: 13mm (0. 51