Carb Settings and Notes for '73 Yamaha TX750
Mikuni Type First Gen BS38
Carb ID 341 E4
Main Jet - 130
Idle Jet - 45 (BS30/96)
Fuel Passage Plug - No
Jet Needle - GJ-3
Needle Jet - Z4
Float Height - 25mm +- 1mm
Air Screw - 2 Turn
Carb Settings and Notes for '73 Yamaha TX750A
Mikuni Type First Gen BS38
Carb ID 341 E5
Main Jet - 130
Idle Jet - 45 (BS30/96)
Fuel Passage Plug - No
Jet Needle - 4N8-4
Needle Jet - Z6
Float Height - 25mm +- 1mm
Air Screw - 2 Turn