Technical Data - Carburetor; All 400 Models; Exc Eu/Aus, 450 Exc Six Days; Exc Usa - KTM 400 EXC AUS 2011 Repair Manual

TECHNICAL DATA - CARBURETOR
199
all 400 models I
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 3900N
Needle position 5th position from top
Idle mixture adjusting screw
Open 0.75 turn
Pump diaphragm stop 2.15 mm (0.0846 in)
Main jet 180
Jet needle OBOYU (OBOTQ)
Idling jet
42
Idle air jet 100
Cold start jet 65 (85)
Spill jet 40
Slide stop present
450 EXC EUfAUS, 450 EXC SIX DAYS I
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 39001
Needle position 4th position from top
Idle mixture adjusting screw
Open 1.75 turns
Pump diaphragm stop
2.15 mm (0.0846 in)
Main jet
180
Jet needle OBOYU (OBOTaJ
Idling jet 40
Idle air jet
100
Cold start jet
65 (85)
Spill jet 40
Slide stop present
450EXC USA I
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 3900Z
Needle position 4th position from top
Idle mixture adjusting screw
Open 1.75 turns
Pump membrane stop 2.15 mm (0.0846 in)
Main jet 180
Jet needle OBOYU
Idling jet 48
Idle air jet 100
Cold start jet
85
Leakage nozzle 40
TECHNICAL DATA - CARBURETOR
199
all 400 models I
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 3900N
Needle position 5th position from top
Idle mixture adjusting screw
Open 0.75 turn
Pump diaphragm stop 2.15 mm (0.0846 in)
Main jet 180
Jet needle OBOYU (OBOTQ)
Idling jet
42
Idle air jet 100
Cold start jet 65 (85)
Spill jet 40
Slide stop present
450 EXC EUfAUS, 450 EXC SIX DAYS I
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 39001
Needle position 4th position from top
Idle mixture adjusting screw
Open 1.75 turns
Pump diaphragm stop
2.15 mm (0.0846 in)
Main jet
180
Jet needle OBOYU (OBOTaJ
Idling jet 40
Idle air jet
100
Cold start jet
65 (85)
Spill jet 40
Slide stop present
450EXC USA I
Carburetor type KEIHIN FCR-MX 39
Carburetor identification number 3900Z
Needle position 4th position from top
Idle mixture adjusting screw
Open 1.75 turns
Pump membrane stop 2.15 mm (0.0846 in)
Main jet 180
Jet needle OBOYU
Idling jet 48
Idle air jet 100
Cold start jet
85
Leakage nozzle 40