KTM 125 SX 2019 User Manual

16 SERVICE WORK ON THE ENGINE
108
16.2 Checking the gear oil level
Info
The gear oil level must be checked when the engine is cold.
Preparatory work
– Stand the motorcycle upright on a horizontal surface.
K01182-10
Main work
–
Remove screw for checking gear oil level
1
.
– Check the gear oil level.
A small quantity of gear oil must run out of the drilled hole.
» If no gear oil runs out:
– Add gear oil. ( p. 109)
– Mount and tighten the gear oil monitoring screw.
Guideline
Screw, gear oil level
check
M6 8 Nm (5.9 lbf ft)
16.3 Changing the gear oil
Warning
Danger of scalding Engine and gear oil get very hot when the motorcycle is ridden.
– Wear suitable protective clothing and safety gloves.
– In the event of scalding, rinse the area affected immediately with lukewarm water.
Note
Environmental hazard Hazardous substances cause environmental damage.
– Dispose of oils, grease, filters, fuel, cleaning agents, brake fluid, etc., correctly and in compliance with
the applicable regulations.
Info
Drain the gear oil while the engine is at operating temperature.
Preparatory work
– Park the motorcycle on a level surface.
– Place a suitable container under the engine.

KTM 125 SX 2019 Specifications

General

Displacement	124.8 cm³
Starter	Kickstarter
Transmission	6-speed
Fuel System	Mikuni TMX 38
Front Brake	Disc brake
Rear Brake	Disc brake
Ground Clearance	375 mm
Seat Height	950 mm
EMS	Kokusan
Engine Type	1-cylinder, 2-stroke
Bore x Stroke	54 mm x 54.5 mm
Rear Suspension	WP shock absorber with linkage
Fuel Tank Capacity	7.5 l
Clutch	Wet, multi-disc clutch, Brembo hydraulics
Frame Design	Central tube frame made of chrome molybdenum steel