Engine Assembly - GY6 150cc Long Case for Scooters - Version 13 133738 Air filter side outer diameter:

Air filter side outer diameter: 50mm

Distance hole to hole across piston area:  78mm

Thumb throttle - 129mm [5"] long

Known to fit Yamaha 450 Rhino 06-09

Pigtail is about 8 inches long

Engine Assembly - GY6 150cc Long Case for Scooters - Version 13 133738 Air filter side outer diameter:150cc Long Case Engine Assy for Scooters Version 13 Engine Details: 150cc 4 stroke long case EPA certified Automatic CVT drive Electric start with kick start on left side Air cooled Mounting holes in the front are 4. 875 inches apart From the mounting holes in the front it is 16. 5 inches to the rear shock mounting hole Top mounted electric starter immediately behind front mount M16*1. 5 threads on wheel mount shaft 1P57QMJ Tao Tao OE engine Engines