KTM 450 EXC-R EU Repair Manual page 125

31/CARBURETOR
Screw in mixture control screw
the stop.
Specification
Mixture control screw
Unscrew mixture control screw
down earlier when it was disassembled or to the specified basic setting.
Specification
Idle mixture adjusting screw (XCR-W USA)
Open
700045-11
Idle mixture adjusting screw (EXC-R SIX DAYS)
Open
Idle mixture adjusting screw (XCR-W ZA, 530 EXC-R EU, 530 EXC-R AUS/UK)
Open
Idle mixture adjusting screw (450 EXC-R EU, 450 EXC-R AUS/UK, 450 EXC-
R USA)
Open
Idle mixture adjusting screw (530 EXC-R USA)
Open
Info
The mixture control screw may be open by no more than 2 turns. If more
than two turns are necessary (rich mixture), use a larger idling jet.
Position buffer plate
idling jet
Specification
Needle jet
Cold start jet
Idling jet
(EXC-R EU, EXC-R AUS/UK)
Cold start jet (65 (85))
(EXC-R SIX DAYS, EXC-R USA, XCR-W)
Cold start jet (85)
(EXC-R EU, EC-R AUS/UK, EXC-R SIX DAYS, XCR-W)
Idling jet (40)
(EXC-R USA)
Idling jet (48)
Mount and tighten main jet
Specification
Main jet
(All EXC-R models, XCR-W USA)
Main jet (180)
(XCR-W ZA)
Main jet (185)
Position the float and float needle valve, and mount fulcrum pin
700044-11
Check/adjust the float level. (
Mount and tighten leakage nozzle
Specification
Leakage nozzle
Leakage nozzle (40)
700058-11
together with the spring, washer and O-ring to
again by the number of turns that was noted
. Mount and tighten needle jet
.
.
P. 120)
.
M6x0,5 1 Nm (0.74 lbf ft)
0.5 turn
1 turn
1.5 turns
1.75 turns
2 turns
, cold start jet
M7x0,75 3.5 Nm
(2.58 lbf ft)
M5x0,75 2 Nm (1.48 lbf ft)
M6x0,75 2 Nm (1.48 lbf ft)
M5x0,75 2 Nm (1.48 lbf ft)
.
M4x0,7 2 Nm (1.48 lbf ft)
123
and