31/Carburetor; Choke (Exc-R Aus/Uk, Exc-R Six Days, Exc-R Usa, Xcr-W); Choke (Exc-R Eu); Checking The Choke Bowden Cable Routing (Exc-R Eu) - KTM 450 EXC-R EU Repair Manual

31/CARBURETOR

Choke (EXC-R AUS/UK, EXC-R SIX DAYS, EXC-R USA, XCR-W)

Choke (EXC-R EU)

Checking the choke Bowden cable routing (EXC-R EU)

Checking the choke Bowden cable for play (EXC-R EU)

Adjusting the choke Bowden cable play (EXC-R EU)

The choke is fitted on the left side of the carburetor.
Activating the choke function frees an opening through which the engine can draw ex-
tra fuel. This gives a richer fuel-air mixture, which is needed for a cold start.
Info
If the engine is warm, the choke function must be deactivated.
Possible states
• Choke function activated
• Choke function deactivated
500135-10
The flasher switch
Activating the choke function frees an opening through which the engine can draw ex-
tra fuel. This gives a richer fuel-air mixture, which is needed for a cold start.
Info
If the engine is warm, the choke function must be deactivated.
Possible states
• Choke function activated
• Choke function deactivated
500136-10
The choke Bowden cable must run behind the handlebar down to the frame. The
choke Bowden cable runs to the carburetor behind the CDI controller directly on
the left side of the frame.
700078-10
Move the handlebar to the straight-ahead position.
Loosen screw
slightly.
Move the choke lever back and forth slightly to ascertain the play in the choke Bow-
den cable.
Choke Bowden cable play
» If the choke Bowden cable play does not meet specifications:
Adjust the choke Bowden cable play. (
700076-10
Move the handlebar to the straight-ahead position.
Check the choke Bowden cable routing. (
Push back bellows
Loosen screw
slightly.
Turn nut
hibits the required choke Bowden cable play.
Specification
Choke Bowden cable play
700077-10
Tighten nut
Tighten screw
The choke lever is pulled out to the stop.
The choke lever is pushed in to the stop.
is fitted on the left side of the handlebar.
The choke lever is pulled to the stop.
The choke lever is pushed back to the stop.
but do not remove it. It must be possible to move the choke lever
.
but do not remove it. It must be possible to move the choke lever
in as far as possible. Turn adjusting screw
.
. The choke lever must remain in position when it is activated.
2... 3 mm (0.08... 0.12 in)
P. 113)
P. 113)
until the choke lever ex-
2... 3 mm (0.08... 0.12 in)
113