Adjusting The Basic Position Of The Shift Lever; Engine Characteristic - Auxiliary Spring (All 250/300 Models); Engine Characteristic - Setting The Auxiliary Spring (All 250/300 Models) - KTM 125 SX Owner's Manual

16 TUNING THE ENGINE
16.8

Adjusting the basic position of the shift lever

Engine characteristic – auxiliary spring (All 250/300 models)
16.9
Engine characteristic – setting the auxiliary spring
16.10
Warning
Danger of burns Some vehicle components become very hot when the vehicle is operated.
–
Do not touch hot components such as exhaust system, radiator, engine, shock absorber, and the brake system. Allow these
components to cool down before starting work on them.
–
Remove screw
401950-12
–
Clean gear teeth
–
Mount the shift lever on the shift shaft in the required position and engage the
gearing.
Info
The range of adjustment is limited.
The shift lever must not come into contact with any other vehicle compo-
nents during the shift procedure.
–
Mount and tighten screw
401951-10
Guideline
(All 125/150 models)
Screw, shift lever
(All 250/300 models)
Screw, shift lever
The auxiliary spring is located on the right side of the engine below the water pump
cover.
Possible states
Auxiliary spring with yellow marking – Auxiliary spring mounted at the factory with
•
medium tuning (standard) for good rideability.
Auxiliary spring with green marking – Auxiliary spring for even softer performance.
•
Auxiliary spring with red marking – Auxiliary spring for aggressive performance.
•
The engine characteristic can be influenced by different spring strengths of auxiliary

spring .
B00056-10
Preparatory work
–
Tilt the motorcycle approx. 45º to the left and secure it to prevent it from falling.
Main work
–
Remove screws
B02129-10

and take off shift lever

of the shift lever and shift shaft.

.
M6
M6
(All 250/300 models)

.

.
14 Nm Loctite
(10.3 lbf ft)
14 Nm Loctite
(10.3 lbf ft)
101
® 243™
® 243™