TECHNICAL DATA - CARBURETOR
94
15.1
400 EXC EU/AUS
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
OBDYU (OBDTQ)
Idling jet
42
Idle air jet
100
Cold start jet
65 (85)
Spill jet
40
Slide stop
present
15.2
400 XC-W USA
Carburetor type
KEIHIN FCR-MX 39
Carburetor identification number
3900W
Needle position
1st 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
OBDTQ
Idling jet
42
Idle air jet
100
Cold start jet
85
Spill jet
40
15.3
450 EXC EU/AUS, 450 EXC SIX DAYS
Carburetor type
KEIHIN FCR-MX 39
Carburetor identification number
3900I
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
OBDYU (OBDTQ)
Idling jet
40
Idle air jet
100
Cold start jet
65 (85)
Spill jet
40
Slide stop
present
Summary of Contents for 450 XC-W SIX DAYS USA 2010
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