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Main Air Jets

Mikuni Air Jet, BS30/97, 0.0, 002-149
Part number:
002-149

Air bleed jets change the slope of the fuel delivery curve while moving the entirety up or down. Larger means leaner with emphasis towards the top, while smaller means richer with emphasis towards the top.

Jet sizes other than original are not legal for sale or use on emission-controlled vehicles in the state of California and in other localities.

Torque specification: 0.4 Nm (3.5 in-lbs).

Manufacturer: 

genuine Mikuni
$5.95

If you desire to change the main air bleed jet or its size, extracting the pressed in original and tapping the hole to M4X.7 will permit you to do so. Normally has pressed in 1.2. The screw in replacement part number is 002-157 (09493-24007).