Carburetor Setting - KTM 250 SX 2003 Owner's Handbook Manual

TECHNICAL DATA - ENGINE – MOTOR 250 SX 2003
Engine
Desgin
Piston displacement
Bore / stroke
Fuel
Oil / gasolino ratio
Crankshaft bearing
Connecting rod bearing
Piston pin bearing
Piston
Piston ring
(upper edge piston -
Dimension "X"
upper edge cylinder)
Ingition timing
Spark plug
Electrode gap
(height of the
Dimension "Z"
control flap)
TVC start open
TVC fully open
Primary drive
Clutch
Transmission
Gear ratio
1 st gear
2 nd gea
3 rd gea
4 th gea
5 th gea
Gear lubrication
Ailable chain sprockets
Coolant
Ignition system
Generator output
Carburetor
Air- filter
BASIC CARBURETOR SETTING
Carburetor
Carburetor setting number
Main jet
Idling jet
Starting jet
Jet needle
Needle position from top
Slide
Air adjustment screw open
Performance restrictor
Power jet nozzle
Liquid-cooled single-cylinder two-stroke engine with KTM Twin Valve Control exhaust system
unleaded SUPER fuel, research octane no 95, mixed with high-grade, two- stroke oil
1:40 – 1:60 when using high grade, two- stroke oil. When in dout,
please contact your importer or use 1:40 mix ratio to be on the safe side
1 deep-groove ball bearing / 1 cylinder roller bearing
straight cut spur gears, primary ratio 26:72
multiple disc clutch in oil bath, hydraulically operated
13Z / 14Z / 15Z
1.3 liters, 40% antifreeze, 60% water, at least -25 °C (-13 °F)
flat-slide carburetor, carburetor setting see table
250 SX
Keihin PWK 38-S AG
110202
178 (182)
50
85
N3CH(N3CW)
III
6,5
1
–
–
250 SX
249 cm 3
66,4 / 72 mm (2.62 / 2.84 in)
needle bearing
needle bearing
cast piston
one plain compression ring
0 + 0,1 mm (0 + 0.004 in)
1,9 mm vor OT
BR 8 ECM
0,60 mm
48,5 mm (1.9 in)
5200/min
7000/min
5 speed, claw actuated
14:28
16:26
18:24
21:24
22:21
0,7 l engine oil 10W-40
für Kette 5 1
/ x /
8 4
KOKUSAN 2K-1
no generator
wet foam type air filter insert
(520)
"
8-2