TECHNICAL DATA - CARBURETOR 99
19.1EXC-F, EXC‑F SIX DAYS
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 3900H
Needle position 3rd position from top
Idle mixture adjusting screw
Open 1.25 turns
Pump diaphragm stop 2.15 mm (0.0846 in)
Main jet 168
Jet needle OBDYS (OBETP)
Idling jet 42
Idle air jet 100
Cold start jet 65 (85)
Leakage nozzle 70
Slide stop present
19.2XCF-W
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 3900K
Needle position 5th position from top
Idle mixture adjusting screw
Open 1.0 turn
Pump membrane stop 2.15 mm (0.0846 in)
Main jet 168
Jet needle OBETP
Idling jet 42
Idle air jet 100
Cold start jet 85
Leakage nozzle 50
19.3SX‑F
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 3925I
Needle position 4th position from top
Idle mixture adjusting screw
Open 1.25 turns
Pump membrane stop 2.15 mm (0.0846 in)
Main jet 175
Jet needle OBEKP
Idling jet 40
Idle air jet 100
Cold start jet 85
Leakage nozzle 50
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