KTM 125 SX 2004 User Manual

ENGLISH
53
TIGHTENING TORQUES
Flange bolts - cylinder-head M 8 35 Nm
Nuts-cylinder base M 10 35 Nm
Flywheel collar nut M 12x1 60 Nm
Nut for primary sprocket (LH thread) M 18x1.5 Loctite 243 + 150 Nm
Nut for inner clutch hub M 18x1.5 Loctite 243 + 100 Nm
Crankcase and cover bolts M 6 8 Nm
Swingarm pivot M 16x1.5 100 Nm
Flat head screw release plate kickstarter M 6x16 Loctite 648 + 19 Nm
Other screws M 6 10 Nm
M 8 25 Nm
M 10 45 Nm
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
250SX
Keihin PWK 38 S AG
180303
165 (162,168)
40 (38)
85
NOZG (NOZH/NOZF)
IV
6,5
1
–
–
250 EXC USA
300 MXC, EXC USA
Keihin PWK 36 S AG
191102
160 (162)
35
85
N3EH (N3EW)
III
7
1
–
–
Keihin PWK 36 S AG
171102
160 (162)
35
85
N3CJ (N3EW/N3EH)
I
7
3,5
slide stop 38 mm
–
250/300 EXC-EU
250/300 EXC-AUS

KTM 125 SX 2004 Specifications

General

Engine Type	Single-cylinder, 2-stroke
Displacement	124.8 cc
Cooling System	Liquid-cooled
Starter	Kickstarter
Transmission	6-speed
Front Suspension	WP USD 48 mm
Rear Suspension	WP PDS shock absorber
Front Brake	Single 260 mm disc
Rear Brake	Single 220 mm disc
Front Tire	80/100-21
Rear Tire	100/90-19
Seat Height	925 mm
Ground Clearance	385 mm
Dry Weight	88 kg
Bore x Stroke	54 mm x 54.5 mm
Ignition	Kokusan digital
Wheelbase	1, 471 mm
Fuel Capacity	7.5 liters
Fuel System	Carburetor
Frame	Chromium-Molybdenum steel central-tube frame