KTM 125 SX 2020 User Manual

TECHNICAL DATA 20
125
Weight of rider: 65 … 75 kg (143 … 165 lb.) 255 mm (10.04 in)
Weight of rider: 75 … 85 kg (165 … 187 lb.) 260 mm (10.24 in)
Weight of rider: 85 … 95 kg (187 … 209 lb.) 260 mm (10.24 in)
Gas pressure 10 bar (145 psi)
Static sag 35 mm (1.38 in)
Riding sag 105 mm (4.13 in)
Fitted length 477 mm (18.78 in)
Shock absorber fluid ( p. 129) SAE 2.5
20.8.2 125/150 SX US
Shock absorber article number 18.18.7T.51
Shock absorber WP Suspension XACT 5750
Lowspeed compression damping
Comfort 17 clicks
Standard 15 clicks
Sport 13 clicks
Highspeed compression damping
Comfort 2.5 turns
Standard 2 turns
Sport 1.5 turns
Rebound damping
Comfort 17 clicks
Standard 15 clicks
Sport 13 clicks
Spring preload 6 mm (0.24 in)
Spring rate
Weight of rider: 65 … 75 kg (143 … 165 lb.) 36 N/mm (206 lb/in)
Weight of rider: 75 … 85 kg (165 … 187 lb.) 39 N/mm (223 lb/in)
Weight of rider: 85 … 95 kg (187 … 209 lb.) 42 N/mm (240 lb/in)
Spring length
Weight of rider: 65 … 75 kg (143 … 165 lb.) 255 mm (10.04 in)
Weight of rider: 75 … 85 kg (165 … 187 lb.) 260 mm (10.24 in)
Weight of rider: 85 … 95 kg (187 … 209 lb.) 260 mm (10.24 in)
Gas pressure 10 bar (145 psi)
Static sag 35 mm (1.38 in)
Riding sag 105 mm (4.13 in)
Fitted length 477 mm (18.78 in)
Shock absorber fluid ( p. 129) SAE 2.5

KTM 125 SX 2020 Specifications

General

Engine Type	1-cylinder, 2-stroke engine
Displacement	124.8 cm³
Bore x Stroke	54 mm x 54.5 mm
Starter	Kickstarter
Transmission	6-speed
Front Brake	Disc brake
Rear Brake	Disc brake
Ground Clearance	375 mm
Seat Height	950 mm
Clutch	Wet, multi-disc clutch, Brembo hydraulics
EMS	Kokusan
Frame	Central double-cradle type, 25CrMo4 steel
Front Suspension	WP XACT-USD, Ø 48 mm
Rear Suspension	WP XACT shock absorber with linkage
Fuel Tank Capacity	7.5 liters
Fuel System	Keihin carburetor