MOOSE RACING Air Cut-Off Valve Rebuild Kit - Yamaha 46-4017 Lo-Boy Shotgun Exhaust System There is plenty of adjustability

There is plenty of adjustability to compensate for an un-even surface in your pit-box

base and cylinder

2017-2020 KTM RC 390 - - 2017-2020 KTM 390 Duke - -

What you need for all that extra horsepower fun

Polished to a mirror finish

MOOSE RACING Air Cut-Off Valve Rebuild Kit - Yamaha 46-4017 Lo-Boy Shotgun Exhaust System There is plenty of adjustabilityImproperly functioning air cut off valves can stick open or closed causing popping on deceleration or poor running conditions Models with multiple carburetors include components to repair all carburetors Kit Includes all necessary parts to rebuild the air cut off valve circuit Kit includes necessary O rings, diaphragm, spring screws