Carb Settings and Notes for '84-'85 Yamaha FJ600
49 States
Mikuni Type BS32
Carb ID 49A
Main Jet - 105 (1-2) 102.5 (3-4)
Idle Jet - 35 (No-Bleed type)
Fuel Passage Plug - No
Jet Needle - 4CP4 (1,3,4) 4CP6 (2)
Needle Jet - 471 N8
Air bleed jet - 160
Float Height - 22.4mm +- 1mm
Air Screw - 2.5 Turn
Carb Settings and Notes for '84-'85 Yamaha FJ1100
49 States
Mikuni Type BS36
Carb ID 50H 00
Main Jet - 112.5
Idle Jet - 37.5 (No-Bleed type)
Fuel Passage Plug - No
Jet Needle - 5FZ63
Needle Jet - 318 Y0
Air bleed jet - 160
Float Height - 22.3mm +- 1mm
Air Screw - 3 Turn
Carb Settings and Notes for '86-'87 Yamaha FJ1200
49 States
Mikuni Type BS36
Carb ID 1UX 00
Main Jet - 112.5
Idle Jet - 37.5 (No-Bleed type)
Fuel Passage Plug - No
Jet Needle - 5FZ72
Needle Jet - 378 Y2
Air bleed jet - 155
Float Height - 22.3mm +- 1mm
Air Screw - 2 Turn
Carb Settings and Notes for '89-'90 Yamaha FJ1200
49 States
Mikuni Type BS36
Carb ID 3SK 00
Main Jet - 110
Idle Jet - 37.5 (No-Bleed type)
Fuel Passage Plug - No
Jet Needle - 5FZ74
Needle Jet - 378 Y2
Air bleed jet - 155
Float Height - 22.3mm +- 1mm
Air Screw - 2 Turn
Carb Settings and Notes for '91-'93 Yamaha FJ1200
49 States
Mikuni Type BS36
Carb ID 4AH 00
Main Jet - 110
Idle Jet - 37.5 (No-Bleed type)
Fuel Passage Plug - No
Jet Needle - 5FZ72
Needle Jet - 378 Y2
Air bleed jet - 155
Float Height - 22.3mm +- 1mm
Air Screw - 2 Turn