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YZF R1 1998-2003
MX360 1973-1974
3RT2 Models)
RZ350W 1989
XT600 Carb Air Cut Off Valve Kit Generator Covers YZF R1 1998-2003This high quality Japanese air cut off valve kit is a simple but vital component of the carburettor system. Its function is to eliminate backfiring on hard deceleration (throttle fully closed). Hard deceleration creates a high vacuum signal in the intake tract which activates the valve. When activated, it restricts the flow of air to the external idle circuit air jets thereby richening the mixture. This slightly richer mixture is calibrated to
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