Transmission Gear Set - 119mm Long - 125cc Automatic with Reverse 108799 Outside diameter of pipe is

Outside diameter of pipe is 32mm

Sinnis XSJ125-6B

Left side when sitting on unit

This head ONLY replaces heads with 20mm/23mm valves

Transmission Gear Set - 119mm Long - 125cc Automatic with Reverse 108799 Outside diameter of pipe isTransmission Gear Set 119mm Long Coolster 3125 A, 3125 R, 3125 XR 8 and the Tao Tao ATA125D, ATA135D and the 125 Sport Utility. This gear set fits 125cc atvs with automatic transmissions with reverse. Fits many makes and models. Please look at pictures and descriptions before ordering Gear set description: Length: 119mm (4. 70 in) 2 Gears Large gear has 31 teeth OD: 58mm Small gear has 27 teeth OD: 49mm 35. 2mm between gears 6 splines on shaft 12mm OD