English – KTM 250 EXC RACING User Manual
Page 56
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ENGLISH
55
WP 5018 PDS WP 5018 PDS
DCC
MCC
1218X760
1218X761
Compression adjuster 15 LS (low speed)
17
2 HS (high speed)
Rebound adjuster
26
26
Spring
76-95/260
71-90/260
Spring preload
6 mm (0.24 in) 8 mm (0.32 in)
STANDARD ADJUSTMENT-SHOCK ABSORBER
WP4860MXMA WP4860MXMA
1418X727
1418X737
Compression adjuster
18
21
Rebound adjuster
19
20
Spring
4.4 N/mm
4.2 N/mm
Spring preload
5 mm (0.20 in) 5 mm (0.20 in)
Air chamber length
90 mm (3.6 in) 110 mm (4.4 in)
Fork oil
SAE 5
SAE 5
STANDARD ADJUSTMENT - FORK
Collar screw, front wheel spindle
M24x1,5
40 Nm
Brake caliper, front
M8
Loctite 243 + 25 Nm
Brake disk, front
M6 10.9
Loctite 243 + 15 Nm
Brake disk, rear
M6
Loctite 243 + 15 Nm
Clamping screws, upper fork bridge
M8
20 Nm
Clamping screws, lower fork bridge
M8
15 Nm
Clamping screws, fork stubs
M8
10 Nm
Collar nut, rear wheel spindle
M20x1,5
80 Nm
Hexagon nut, swing arm bolt
M14x1,5
100 Nm
Hexagon collar screw, handlebar clamp
M8
20 Nm
Allan head screw, handlebar support
M10
Loctite 243 + 40 Nm
Shock absorber, top
M12
60 Nm
Shock absorber, bottom
M12
60 Nm
Sprocket screws
M8
Loctite 243 + 35 Nm
Ball joint for push rod
M6
Loctite 243 + 10 Nm
Engine mounting bolt
M10
45 Nm
Engine brace
M8
33 Nm
Screw adjusting ring spring preload shock abs.
M6
8 Nm
Spoke nipple
M4,5 / M5
5 Nm
Other screws on chassis
M6
10 Nm
M8
25 Nm
M10
45 Nm
Other collar nuts on chassis
M6
15 Nm
M8
30 Nm
M10
50 Nm
TIGHTENING TORQUES - CHASSIS
TECHNICAL DATA – CHASSIS 250/450/525 SX, MXC, EXC RACING 2003
450/525 SX RACING
250/450/525 EXC RACING
450/525 MXC, EXC USA
Frame
Central tube chrome-moly-steel frame
Fork
WP Up Side Down 4860 MXMA
Wheel travel front/rear
300/335 mm
Rear suspension
WP Progressive Damping System shock absorber, aluminium swing arm
Front brake
Disk brake with carbon-steel brake disc Ø 260 mm (10.2 in), brake caliper floated
Rear brake
Disk brake with carbon-steel brake disc Ø 220 mm (8.7 in), brake caliper floated
Brake disc
Wear limit max. 0,4 mm (0,016 in)
Front tires
80/100 - 21“
90/90 - 21“
80/100 - 21“
Air pressure offroad
1.0 bar (14 psi)
1.0 bar (14 psi)
1.0 bar (14 psi)
Air pressure road driver only
–
1.5 bar
1.5 bar (21 psi)
Rear tires
110/90 - 19“
140/80 - 18“
110/100 - 18“
Air pressure offroad
1.0 bar (14 psi)
1.0 bar (14 psi)
1.0 bar (14 psi)
Air pressure road driver only
–
2.0 bar (28 psi)
2.0 bar (28 psi)
Fuel tank capacity
7 liters (2 US gallons)
EXC 8 liters (2.1 US gallons) MXC 13 Liter (3.5 gallons)
Final drive ratio
450-14:50t / 525-14:48t
250-12:52t / 450-15:45t / 525-15:40t
450-14:50t / 525-14:48t
Chain
X-Ring 5/8 x 1/4 "
Available final sprockets
38t, 40t, 42t, 45t, 48t, 50t, 52t
Bulbs
headlight
HS1 12V 35/35W
parking light
12V 5W (Sockel W2, 1x9,5d)
brake - rear light
12V 21/5W (Sockel BaY15d)
flasher light
12V 10W (Sockel Ba15s)
license plate illmination
12V 1,2W (Sockel 1x4,6d)
Battery
maintenance-free battery 12V 8Ah
Steering head angle
63.5°
Wheel base
1481 ± 10 mm (58.3 ± 0.4 in)
Seat height, unloaded
925 mm (36.5 in)
Ground clearance, unloaded
380 mm (15.1 in)