K&s Technologies Valve - 56-1040 Honda Motorcycles 1979-1986 ARLEN NESS For use with most 99-17

For use with most 99-17 Harley-Davidson models with 3-1/2" on-center risers and offset mounting holes and 86-19 XL models

Made for future champions

2002-2005 Yamaha CY 50 Jog 2002-2005 Yamaha XC 50 Vino Classic 2002-2005 Yamaha Zuma II 50

Feature chromoly steel construction with seamless rollers and bushings

K&s Technologies Valve - 56-1040 Honda Motorcycles 1979-1986 ARLEN NESS For use with most 99-17Features Located on the side of the carburetor, the air cut off valve prevents lean fuel mixture (backfire) when decelerating Temporarily closes the pilot jet airway to provide a richer mix as the throttle closes Direct OEM style replacement carburetor air cut off valve set Include diaphragm, spring and O ring Specs Riding Style Street Units Kit Product Name Valve Type Air Cut Off Riding Style Off Road 1979 1981 Honda XL500S 1979 1980 Honda XR500 1980