Cylinder 85cm³ GY6-50: BGM9965

[inspic = 21, left, fullscreen, thumb] We can now offer you a new cylinder kit for your scooter.

Special features are the HC piston and the valves, which have been enlarged by 25%. The racing camshaft (BGM9966) was specially developed for this cylinder kit.

[inspic = 17, leftclear, fullscreen, thumb] valve BGM and standard

[inspic = 19, leftclear, fullscreen, thumb] on the right the HC piston, increases the compression to 11: 1, on the left a standard piston.