KTM 620 - Technical Specifications - Chassis; Chassis Specifications; Standard Suspension Adjustments; Chassis Tightening Torques

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TECHNICAL SPECIFICATIONS - CHASSIS 400 / 620 SC, Supermoto 2000
400/620 SC 620 Supermoto
Frame Central chrome-moly-steel frame
Fork White Power – Up Side Down 43
Wheel travel front/rear 295 / 320 mm (11.6 / 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 Disc brake with carbon-steel brake disc
Ø 260 mm (10.2 in), brake caliper floated Ø 320 mm (12.6 in), brake caliper floated
Rear brake Disc brake with carbon-steel brake disc Ø 220 mm (8.7 in), brake caliper floated
Tyres front 90/90-21 Pirelli MT 21 120/70-17 Pirelli MT 60
Air pressure offroad 1.0 bar (14 psi) –
Air press. road, driver only 1.5 bar (21 psi) 2.0 bar (28 psi)
Tyres rear 140/80-18 Pirelli MT 21 160/60-17 Pirelli MT 60
Air pressure offroad 1.2 bar (17 psi) –
Air press. road, driver only 2.0 bar (28 psi) 2.2 bar (31 psi)
Fuel tank capacity 9 liter (2.38 US gallons) of that 2.5 liter (0.66 US gallons) reserve
Final drive ratio 400: 16:48 620: 16:40 17:38
Chain 5/8 x 1/4 " O-Ring
Steering angle 62.5°
Wheel base 1510 ± 10 mm (59.4 ± 0.4 in)
Seat height 940 mm (37 in) 920 mm (36 in)
Ground clearance 375 mm (14.8 in) 355 mm (14 in)
Dead weight without fuel 122 kg (269 lbs) 123 kg (271 lbs)
01.18.T7.05
Compression adjuster 3
Rebound adjuster 5
Spring 63 / 260
Spring preload 23 mm (0.9 in)
STANDARD ADJUSTMENT - SHOCK ABSORBER
05.18.U7.82
Compression adjuster 14
Rebound adjuster 14
Spring 4.2 N/mm
Spring preload 7 mm (0.28 in)
Air chamber length 120 mm (4.72 in)
Capacity per fork leg app. 840 ccm
Fork oil SAE 5
STANDARD ADJUSTMENT - FORK
Collar nut front axle M16x1.5 40 Nm (30 ft.lb)
Brake caliper front M8 Loctite 242 + 25 Nm (18 ft.lb)
Collar nut rear axle M20x1.5 80 Nm (59 ft.lb)
Hexagon nut swingarm bolt M14x1.5 100 Nm (74 ft.lb)
Clamping screw top triple clamp M8 20 Nm (15ft.lb)
Clamping screw bottom triple clamp M8 15 Nm (11ft.lb)
Clamping screw fork leg axle passage M8 10 Nm (7ft.lb)
Collar screw handlebar clamp M8 Loctite 242 + 20 Nm (15 ft.lb)
Allen head screw handlebar support M10 Loctite 242 + 40 Nm (30 ft.lb)
Collar nut connecting rod pro lever system M12x1.75 60 Nm (44 ft.lb)
Other screws chassis M6 10 Nm (7 ft.lb)
M8 25 Nm (18 ft.lb)
M10 45 Nm (33 ft.lb)
TIGHTENING TORQUES - CHASSIS