Carb Settings and Notes for '88-'97 Yamaha XV750 Virago

49 States

Mikuni Type 40mm
Carb ID 3AL 01
Main Jet - 122.5
Idle Jet - 40 No bleed type
Fuel Passage Plug - No
Main air jet (Top) - 60
Slow air jet (Inside air cut-off chamber) - 140
Jet Needle - 5DL12
Needle Jet - 572 Y4
Float Height - 23-24mm
Air Screw - 2.5 Turn
On this bike cylinder #1 is the rear cylinder.