Located on the side of the carburetor the air cut off valve prevents lean fuel mixture (backfire) when decelerating
Direct OE style replacement carburetor air cut off valve set. Includes; diaphragm, spring and O-ring
Temporarily closes the pilot jet airway to provide a richer mix as the throttle closes
Includes cover

More Information
Manufacturer SKU	56-1043
Manufacturer:	K&s Technologies
Department	PAM-PU
Show Stock	Yes
Riding Style	Street
California Restricted Product:	Yes

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Year	Make	Model
1980-1981	Yamaha	SR 500
1980-1981	Yamaha	XT 500

Air Cut-Off Valve 56-1043