KTM 250 EXC RACING Owner's Manual page 181

2
1
5
8
9
bk
Assembling the carburetor FCR 35/39
– Mount the idle-air jet
– Place the O-ring
the carburetor by means of the 2 screws.
3
– Insert the fuel connection
the clip.
NOTE: In the mounted state, the connection piece must be easy to turn.
4
– Mount the choke slide
whether it can be moved smoothly. In addition, check whether the
choke locks properly.
– Thread the spring, the washer and the O-ring onto the mixture
6
control screw
will go.
– Now, unscrew the mixture control screw the number of turns written
down during disassembly.
BASIC SETTING: See technical specification
– Mount idling jet
7
jet
9
– Insert the needle jet
screw
bl
and the main air jet
1
in the groove and secure the intake trumpet to
3
into the carburetor and secure it with
4
and actuate it several times, checking
5
and screw the mixture control screw in as far as it
6
, starting jet
7 8
.
into bore and secure it by means of the
bk
.
bl
8-12E
.
2
and needle jet together with main