Carb Settings and Notes for '88-'90 Yamaha FZR400
49 States
Mikuni Type BDS32
Carb ID 3BF
Main Jet - 87.5
Idle Jet - 15
Fuel Passage Plug - No
Jet Needle - 5CFZ2
Needle Jet - 520 Y0
Float Height - 11mm
Air Screw - 2 Turns
Carb Settings and Notes for '89-'90 Yamaha FZR600
49 States
Mikuni Type BDST32
Carb ID 3HH 01, 03, 04
Main Jet - 107.5
Idle Jet - 32.5
Starter jet - 52.5
Fuel Passage Plug - No
Jet Needle - 5CFZ7
Needle Jet - 580 Y0
Float Height - 11mm
Air Screw - 2 Turns