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TECHNICAL DATA – CHASSIS 400/520 SX, MXC, EXC RACING 2002
WP 5018 PDS WP 5018 PDS
DCC MCC
1218W738 1218W739
Compression adjuster 15 LS (Low speed) 15
2 HS (high speed)
Rebound adjuster 25 25
Spring PDS7–260 PDS6-260
Spring preload 4 mm (0.24 in) 5 mm (0.24 in)
STANDARD ADJUSTMENT - SHOCK ABSORBER
WP4860MXMA WP4357MXMA
1418W710 0518W712
Compression adjuster 20 20
Rebound adjuster 16 12
Spring 4,4 N/mm 4,2 N/mm
Spring preload 5 mm (0.20in) 5 mm (0.20in)
Air chamber length 100 mm (5.1in) 130 mm (5.9in)
Fork oil SAE 5 SAE 5
STANDARD ADJUSTMENT-FORK
Collar nut front wheel spindle M 16/20x1,5 40 Nm (30ft.lb)
Brake caliper front M 8
Loctite 243 + 25 Nm (19ft.lb)
Brake disk front M 6
Loctite 243 + 15 Nm (11ft.lb)
Brake disk rear M 6
Loctite 243 + 15 Nm (11ft.lb)
Clamping screws upper fork bridge M 8 20 Nm (15ft.lb)
Clamping screws lower fork bridge M 8 15 Nm (11ft.lb)
Clamping screws fork stubs M 8 10 Nm (7ft.lb)
Collar nut rear wheel spindle M 20x1,5 80 Nm (59ft.lb)
Hexagon nut swing arm bolt M 14x1,5 100 Nm (74ft.lb)
Hexagon collar screw handlebar clamp M 8 20 Nm (15ft.lb)
Allan head screw handlebar support M 10
Loctite 243 + 40 Nm (30ft.lb)
Shock absorber top M 12 60 Nm (44ft.lb)
Shock absorber bottom M 12 60 Nm (44ft.lb)
Sprocket screws M 8
Loctite 243 + 35 Nm (25ft.lb)
Ball joint for push rod M 6
Loctite 243 + 10 Nm (7ft.lb)
Engine mounting bolt M 10 45 Nm (33ft.lb)
Engine brace M 8 33 Nm (24ft.lb)
Screw adjusting ring spring preload shock abs.
M6 8 Nm (6ft.lb)
Other screws on chassis M 6 10 Nm (7ft.lb)
M 8 25 Nm (19ft.lb)
M 10 45 Nm (33ft.lb)
Other collar nuts on chassis M 6 15 Nm (11ft.lb)
M 8 30 Nm (22ft.lb)
M 10 50 Nm (37ft.lb)
TIGHTENING TORQUES - CHASSIS
* Dead-weight without fuel
400/520 SX RACING
400/520 EXC RACING
400/520 MXC, EXC USA
Frame Central tube chrom-moly-steel frame
Fork WP USD 4860 MXMA WP Up Side Down 4357 MXMA
Wheel travel front/rear 295/320 mm
Rear suspension WP Progressive Damping System shock absorber, aluminium swingarm
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 7,5 Liter (2 US Gallons) EXC 8,5 Liter
(2,1 US Gallons)
MXC 13 Liter
(3,5 Gallons)
Final drive ratio 400-14:50t / 520-14:48t
400-15:45t / 520-15:40t 400-14:50t / 520-14:48t
Chain O-Ring 5/8 x 1/4 "
Available final sprockets 38t, 40t, 42t, 45t, 48t, 50t, 52t
Bulps headlight HS1 12V 35/35W
parking light 12V 5W (Sockel W2, 1x9,5d)
instrument lights 12V 1,2W (Sockel W2, 1x4,6d)
brake - rear light 12V 21/5W (Sockel BaY15d)
flasher light 12V 10W (Sockel Ba15s)
license plate illmination 12V 1,2W (Sockel 1x4,6d)
Batterie maintenance-free battery 12V 8Ah
Steering head angle 63,5°
Wheel base 1481 ± 10 mm (58,3 ± 0,4 in)
Seat hight, unloaded 925 mm (36,5 in)
Ground clearance, unloaded
380 mm (15,1 in)
Dead-weight * 107 kg (236 lbs) 112 kg (247 lbs)