Crankshaft with 16 Tooth Oil Pump Drive Gear - GY6 50cc Scooter - Version 2 This replacement seat is used

This replacement seat is used on Hensim 50cc

Air filter mount OD: 39

Center hole distance: 57mm

Check the detail pictures and measurements to match your CDI

Intake ID: 16mm

Crankshaft with 16 Tooth Oil Pump Drive Gear - GY6 50cc Scooter - Version 2 This replacement seat is usedChinese Crankshaft GY6 50cc Engine Version 2 Chinese 50cc crankshaft fits several makes and models. Please use the pictures and measurements to best match your crank. Crank shaft details: Over Length: 24cm (9. 45 in) Bearing size model: 20 X 47 X 14 (6204) Bearing size model: 17 X 42 X 12 (6203) 16 tooth oil pump drive gear Sprockets: 17 teeth each Spline count on end of shaft: 26 spline Thread size on tapered end: M10 x 1. 25 Thread size on straight