Engine Assembly - 110cc Automatic with Bottom Mount Starter for Dirt Bike - Version 6 108799 Bumper details:

Bumper details:

00 tapered end

Spline count on end of shaft: 26 spline

Please look at pictures and compare measurements to ensure that you are choosing the right voltage regulator

Positive: Left Post

Engine Assembly - 110cc Automatic with Bottom Mount Starter for Dirt Bike - Version 6 108799 Bumper details:Chinese 110cc Automatic Complete Engine Version 6 Chinese Engine Details: 110cc 4 stroke, 1 cylinder engine EPA certified Automatic with NO reverse Electric start Air cooled Bottom mount starter 420 14 tooth engine sprocket Length: 17. 0 inches approximately Width: 11. 0 inches approximately Four 8mm x 1. 25 engine mounting holes on bottom of engine approximately 44mm center to center apart same side. 88mm center to center apart across engine.