KTM 50 SX 2020, Owner'S Manual

Page: 130 / 141

21 TECHNICAL DATA
128
Standard 5 mm (0.2 in)
Spring rate
Weight of rider: 15 … 25 kg (33 … 55 lb.) 65 N/mm (371 lb/in)
Weight of rider (standard): 25 … 35 kg (55 …
77 lb.) 75 N/mm (428 lb/in)
Weight of rider: 35 … 45 kg (77 … 99 lb.) 85 N/mm (485 lb/in)
Spring length 120 mm (4.72 in)
Gas pressure 10 bar (145 psi)
Static sag 10 mm (0.39 in)
Riding sag 65 mm (2.56 in)
Fitted length 245 mm (9.65 in)
Shock absorber oil Shock absorber fluid (SAE 2.5)
(50180751S1) (
p. 131)
21.9 Chassis tightening torques
Screw, brake line bracket EJOT 1.7 Nm (1.25 lbf ft)
Spoke nipple M3.5 3 Nm (2.2 lbf ft)
Remaining nuts, chassis M5 5 Nm (3.7 lbf ft)
Remaining screws, chassis M5 5 Nm (3.7 lbf ft)
Screw, brake linings M5 8 Nm (5.9 lbf ft)
Nut, push rod ball joint on foot
brake cylinder M6 10 Nm (7.4 lbf ft)
Remaining nuts, chassis M6 10 Nm (7.4 lbf ft)
Remaining screws, chassis M6 10 Nm (7.4 lbf ft)
Screw, chain sliding piece M6 3 Nm (2.2 lbf ft)
Screw, fender M6 6 Nm (4.4 lbf ft)
Screw, fork stub M6 10 Nm (7.4 lbf ft)
Screw, front brake disc M6 14 Nm (10.3 lbf ft)
Loctite ® 243™
Screw, rear brake caliper M6x16 10 Nm (7.4 lbf ft)
Loctite ® 243™
Screw, rear brake caliper M6x40 10 Nm (7.4 lbf ft)
Loctite ® 243™
Screw, rear brake disc M6 14 Nm (10.3 lbf ft)
Loctite ® 243™
Screw, start number plate M6 4 Nm (3 lbf ft)
Screw, throttle grip M6 4.5 Nm (3.32 lbf ft)
Nut, foot brake lever M8 22 Nm (16.2 lbf ft)
Nut, rim lock M8 10 Nm (7.4 lbf ft)
Remaining nuts, chassis M8 25 Nm (18.4 lbf ft)
Remaining screws, chassis M8 25 Nm (18.4 lbf ft)
Screw, bottom triple clamp M8 15 Nm (11.1 lbf ft)
Screw, chain sliding piece M8 15 Nm (11.1 lbf ft)
Screw, engine bracket M8 25 Nm (18.4 lbf ft)
Loctite ® 243™