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TECHNICAL SPECIFICATIONS - CHASSIS 400/620 SX, SC, EGS ‘98
620 SX 400/620 SC 400/620 EGS
Frame Central chrome-moly-steel frame
Fork WP Extreme WP-USD Topadjuster
Wheel travel front/rear 285/320 mm (11,2/12,6 in) 300/320 mm (11,8/12,6 in)
Rear suspension Central shock absorber (WP) with PRO-LEVER linkage to rear-swingarm with needle bearing
Front brake Disc brake with carbon-steel brake disc , brake caliper floated
brake disc Ø = 260 mm (10,2 in) brake disc Ø = 300 mm (11,8 in)
Rear brake Disc brake with carbon-steel brake disc Ø 220 mm (8,7 in), brake caliper floated
Tyres front 80/100-21 90/90-21 90/90-21 54S
Air pressure offroad 1,0 bar (14 psi) 1,0 bar (14 psi) –
Air press. road, driver only
– 1,5 bar (21 psi) 1,5 bar (21 psi)
Air press. road with passenger
– – 2,0 bar (28 psi)
Tyres rear 110/90-19 140/80-18 70R 130/80-18 66S
Air pressure offroad 1,2 bar (17 psi) 1,2 bar (17 psi) –
Air press. road, driver only
– 2,0 bar (28 psi) 2,0 bar (28 psi)
Air press. road with passenger
– – 2,2 bar (31 psi)
Fuel tank capacity 9 liter (3 US gallons) 11,3 or 20 liter (3 or 5,3 US gallons)
of that 1,5 liter (0,4 US gallons) reserve of that 1,5 liter (0,4 US gallons) res
Final drive ratio 14:48, 14:50, 15:40, 15:45, 15:48 15:50, 16:40, 16:45,
Chain
5
/
8 x
1
/
4"
Steering angle 62,5°
Wheel base 1510
±
10 mm (59,4
±
0,4 in)
Seat high 940 mm (37 in)
Ground clearance 350 mm (13,8 in)
Dead weight without fuel 115 kg (254 lbs) 400: 121 kg (267 lbs) 400: 131 kg (289 lbs)
620: 122 kg (269 lbs) 620: 133 kg (293 lbs)
Max. permissible front axle load
211 kg (466 lbs)
Max. permissible rear axle load
335 kg (737 lbs)
Max. permissible laden weight
350 kg (770 lbs)
Collar screw front axle M 10 40 Nm (30 ft.lb)
Brake caliper front M 8 25 Nm (19 ft.lb)
+ Loctite 242
Collar nut rear axle M 20x1,5 80 Nm (59 ft.lb)
Hex. nut swing arm bolt M 14x1,5 100 Nm (74 ft.lb)
Clamping screw top triple clamp M 8 (Extreme) 15 Nm (11 ft.lb)
M8 (USD) 15 Nm (11 ft.lb)
Clamping screw bottom triple clamp M 8 (Extreme) 20 Nm (15 ft.lb)
M8 (USD) 15 Nm (11 ft.lb)
Clamping screws fork leg axle passage M 7/M8 7/10 Nm (5/7 ft.lb)
Other screws chassis M6 10 Nm (7 ft.lb)
M8 25 Nm (19 ft.lb)
M10 45 Nm (33 ft.lb)
TORQUES
K4T97SX K4T97SC K4T96L3
Compression adjuster 8 12 10
Rebound adjuster 12 12 14
Spring 4,4 N/mm 4,2 N/mm 4,4 N/mm
Spring preload 8 mm 7 mm 10 mm
Air chamber length 140 mm 155 mm 130 mm
Capacity per fork leg ca 800 ccm ca 800 ccm ca 500 ccm
Fork oil SAE 5 SAE 5 SAE 5
STANDARD ADJUSTMENT - FORK
NOTE FOR WHITE POWER FORKS:
The damping units in the left and the right fork leg are of different design. Make sure not to
mix them up in case of repair or service works.
WP 01.18.S7.98 WP 01.18.Q7.82 WP 01.18.Q7.81
Compression adjuster 3 3 3
Rebound adjuster 5 4 4
Spring 66/260 63/260 66/260
Spring preload 17 mm 23 mm 23 mm
STANDART-ADJUSTMENT - SHOCK ABSORBER
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