KTM 250 EXC User Manual

23 CARBURETOR TUNING 139
23.6 Carburetor tuning (300 EXC BR)
Danger
Loss of approval for road use and insurance coverage The motorcycle is authorized for public road traffic in the homologous
(reduced) version only.
– In the derestricted version, the motorcycle must be used only on closed off property remote from public road traffic.
KEIHIN PWK 36S AG


M/FT ASL


TEMP

-20°C ... -7°C

-2°F ... 20°F

-6°C ... 5°C

19°F ... 41°F
6°C ... 15°C

42°F ... 60°F
16°C ... 24°C

61°F ... 78°F

25°C ... 36°C

79°F ... 98°F
37°C ... 49°C

99°F ... 120°F
3.000 m
10,000 ft



2.301 m
7,501 ft
ASO
IJ
NDL
POS
MJ
2
40
N4D F
3
185
2
40
N4D G
3
182
2
38
N4D G
3
180
2
38
N4D G
2
180
2
38
N4D H
2
178

2.300 m
7,500 ft



1.501 m
5,001 ft
ASO
IJ
NDL
POS
MJ
2
42
N4D F
3
185
2
40
N4D F
3
185
2
40
N4D G
3
182
2
38
N4D G
3
180
2
38
N4D G
2
180
2
38
N4D H
2
178
1.500 m
5,000 ft



751 m
2,501 ft
ASO
IJ
NDL
POS
MJ
1,5
42
N4D E
3
188
2
42
N4D F
3
185
2
40
N4D F
3
185
2
40
N4D G
3
182
2
38
N4D G
3
180
2
38
N4D G
2
180
750 m
2,500 ft



301 m
1,001 ft
ASO
IJ
NDL
POS
MJ
1,5
42
N4D E
4
188
1,5
42
N4D E
3
188
2
42
N4D F
3
185
2
40
N4D F
3
185
2
40
N4D G
3
182
2
38
N4D G
3
180
300 m
1,000 ft



0 m
0 ft
ASO
IJ
NDL
POS
MJ
1,5
45
N4D E
4
190
1,5
42
N4D E
4
188
1,5
42
N4D E
3
188
2
42
N4D F
3
185
2
40
N4D F
3
185
2
40
N4D G
3
182
402551-01
M/FT ASL Sea level
TEMP Temperature
ASO Idle air adjusting screw open
IJ Idling jet
NDL Needle
POS Needle position from top
MJ Main jet
Does not apply on sandy terrain.

KTM 250 EXC Specifications

General

Displacement	249 cc
Cooling System	Liquid cooled
Transmission	6-speed
Starter	Electric starter
Rear Suspension	WP Xplor PDS shock absorber
Fuel Capacity	9 L
Seat Height	960 mm
Bore x Stroke	66.4 mm x 72 mm
Ground Clearance	370 mm
Engine Type	2-stroke
Front Suspension	WP XPLOR 48
Front Brake	Disc brake
Rear Brake	220 mm disc
Frame	Chromium-Molybdenum steel central-tube frame