Technical Data - Carburetor; All 400 Models; 450 Exc Eu/Aus, 450 Exc Six Days, 450 Exc Factory Edition Eu; 450 Xc-W Six Days Usa - KTM 400 EXC EU Owner's Manual

TECHNICAL DATA - CARBURETOR

All 400 models

22.1
Carburetor type
Carburetor identification number
Needle position
Idle mixture adjusting screw
Open
Pump diaphragm stop
Main jet
Jet needle
Idling jet
Idle air jet
Cold start jet
Spill jet
Slide stop

450 EXC EU/AUS, 450 EXC SIX DAYS, 450 EXC Factory Edition EU

22.2
Carburetor type
Carburetor identification number
Needle position
Idle mixture adjusting screw
Open
Pump diaphragm stop
Main jet
Jet needle
Idling jet
Idle air jet
Cold start jet
Spill jet
Slide stop

450 XC-W SIX DAYS USA

22.3
Carburetor type
Carburetor identification number
Needle position
Idle mixture adjusting screw
Open
Pump membrane stop
Main jet
Jet needle
Idling jet
Idle air jet
Cold start jet
Spill jet
KEIHIN FCR-MX 39
3900N
5th position from top
0.75 turn
2.15 mm (0.0846 in)
180
OBDYU (OBDTQ)
42
100
65 (85)
40
present
KEIHIN FCR-MX 39
3900I
4th position from top
1.75 turns
2.15 mm (0.0846 in)
180
OBDYU (OBDTQ)
40
100
65 (85)
40
present
KEIHIN FCR-MX 39
3900L
1st position from top
1.75 turns
2.15 mm (0.0846 in)
180
OBDTQ
40
100
85
40
106