Carb Settings and Notes for '78 Yamaha XS1100E
49 States
Mikuni Type BS34
Carb ID 2H7 00
Main Jet - 137.5
Idle Jet - 42.5 (Bleed type)
Main air jet - 140
Pilot air jet - 180
Fuel Passage Plug - Yes
Jet Needle - 5GZ6-3
Needle Jet - 266 X2
Float Height - 25.7mm +- 1mm
Air Screw - 1.25 Turn
Carb Settings and Notes for '79 Yamaha XS1100F
49 States
Mikuni Type BS34
Carb ID 2H7 00
Main Jet - 137.5
Idle Jet - 42.5 (Bleed type)
Main air jet - 140
Pilot air jet - 180
Fuel Passage Plug - Yes
Jet Needle - 5GZ6-3
Needle Jet - 266 X2
Float Height - 25.7mm +- 1mm
Air Screw - 1.25 Turn
Carb Settings and Notes for '79 Yamaha XS1100SF Special
49 States
Mikuni Type BS34
Carb ID 3H3 00
Main Jet - 137.5
Idle Jet - 42.5 (Bleed type)
Main air jet - 140
Pilot air jet - 180
Fuel Passage Plug - Yes
Jet Needle - 5GZ6-3
Needle Jet - 266 X2 (1-4) 301 x2 (2-3)
Float Height - 25.7mm +- 1mm
Air Screw - 1.25 Turn
Carb Settings and Notes for '80 Yamaha XS1100G
49 States
Mikuni Type BS34
Carb ID 3H5 00
Main Jet - 115 (1-4) 120 (2-3)
Idle Jet - 42.5 (Bleed type)
Main air jet - 140
Pilot air jet - 185
Fuel Passage Plug - Yes
Jet Needle - 51Z7
Needle Jet - 300 X2
Float Height - 23mm +- 1mm
Air Screw - 1.5 Turn
Carb Settings and Notes for '80 Yamaha XS1100SG Special
49 States
Mikuni Type BS34
Carb ID 3J6 00
Main Jet - 110
Idle Jet - 42.5 (Bleed type)
Main air jet - 140
Pilot air jet - 185
Fuel Passage Plug - Yes
Jet Needle - 5GL16
Needle Jet - 300 X2
Float Height - 23mm +- 1mm
Air Screw - 1.25 Turn
Carb Settings and Notes for '80 Yamaha XS1100LG Midnight Special
49 States
Mikuni Type BS34
Carb ID 4H3 00
Main Jet - 110
Idle Jet - 42.5 (Bleed type)
Main air jet - 140
Pilot air jet - 185
Fuel Passage Plug - Yes
Jet Needle - 5GL16
Needle Jet - 300 X2
Float Height - 23mm +- 1mm
Air Screw - 1.25 Turn
Carb Settings and Notes for '81 Yamaha XS1100H
49 States
Mikuni Type BS34
Carb ID 3H5 00
Main Jet - 115 (1-4) 120 (2-3)
Idle Jet - 42.5 (Bleed type)
Main air jet - 140
Pilot air jet - 185
Fuel Passage Plug - Yes
Jet Needle - 51Z7
Needle Jet - 300 X2
Float Height - 23mm +- 1mm
Air Screw - 1.5 Turn
Carb Settings and Notes for '81 Yamaha XS1100SH Special
49 States
Mikuni Type BS34
Carb ID 3J6 00
Main Jet - 110
Idle Jet - 42.5 (Bleed type)
Main air jet - 140
Pilot air jet - 185
Fuel Passage Plug - Yes
Jet Needle - 5GL16
Needle Jet - 300 X2
Float Height - 23mm +- 1mm
Air Screw - 1.25 Turn