KTM 250 EXC RACING Owner's Manual page 54

TECHNICAL DATA - ENGINE
BASIC CARBURATOR SETTING
Type
Main jet
Jet needle
Idling jet
Main air jet
Idling air jet
Needle position
Starting jet
Mixture control screw open
Slide
Performance restrictor
Stop pump membrane
Hot start device
BASIC CARBURATOR SETTING
Type
Main jet
Jet needle
Idling jet
Main air jet
Idling air jet
Needle position
Starting jet
Mixture control screw open
Slide
Performance restrictor
Stop pump membrane
Hot start device
BASIC CARBURATOR SETTING
Type
Main jet
Jet needle
Idling jet
Main air jet
Idling air jet
Needle position
Starting jet
Mixture control screw open
Slide
Performance restrictor
Stop pump membrane
Hot start device
»
250 EXC RACING 400 EXC RACING
EU / AUS EU / AUS
11 kW 12 kW
Keihin FCR-MX 3700A Keihin FCR-MX 3900C Keihin FCR-MX 3900C Keihin FCR-MX 3900A
160 178
OBEKT OBDVR
42 42
200 200
100 100
3 rd from top 1 st from top
85 85
0,75 1,25
15 15
Slide stop Slide stop
858 / 2,15 mm 858 / 2,15 mm
– –
450 EXC-G / MXC-G 450 EXC RACING
RACING USA SIXDAYS
Keihin FCR-MX 3900A Keihin FCR-MX 3900A Keihin FCR-MX 4122A Keihin FCR-MX 3900B
178 178
OBDVR OBDTR
42 42
200 200
100 100
3 rd from top 4 th from top
85 85
1,25 2,0
15 15
– –
858 / 2,15 mm 858 / 2,15 mm
– –
525 MXC-G / EXC-G 525 EXC RACING
RACING USA SIXDAYS
Keihin FCR-MX 3900B Keihin FCR-MX 3900B Keihin FCR-MX 4125A
178 178
OBDVT OBDTR
42 42
200 200
100 100
3 rd from top 5 th from top
85 85
1,25 2,0
15 15
– –
858 / 2,15 mm 858 / 2,15 mm
– –
400 EXC-G RACING USA 450 EXC RACING
EU / AUS
12 kW
178 178
OBDVR OBDVR
42 42
200 200
100 100
1 st from top 3 rd from top
85 85
1,25 1,25
15 15
– Slide stop
858 / 2,15 mm 858 / 2,15 mm
– –
450 SX RACING 525 EXC / MXC
RACING / DESERT RACING
EU / AUS 12 kW
185 178
OBDTP OBDVT
40 42
200 200
100 100
4 th from top 3 rd from top
85 85
1,0 1,25
15 15
– Slide stop
858 / 2,15 mm 858 / 2,15 mm
2,2 mm –
525 SX RACING
185
OBDTP
42
200
100
4 th from top
85
1,5
15
–
858 / 2,15 mm
2,5 mm
53