Operation Manual

17 TUNING THE ENGINE 108
401951-10
–
Clean gear teeth

of the shift lever and shift shaft.
– 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

with the washers.
Guideline
Screw, shift lever
(125 XC‑W EU)
M6 14 Nm
(10.3 lbf ft)
Loctite
®
243™
Screw, shift lever
(150 XC‑W US)
M6 14 Nm
(10.3 lbf ft)
Loctite
®
243™
Screw, shift lever (All
250/300 models)
M6 14 Nm
(10.3 lbf ft)
Loctite
®
243™
17.10 Engine characteristic – auxiliary spring
B00056-10
The auxiliary spring is located on the right side of the engine below the water pump
cover.
Possible states
• Auxiliary spring with green color coding – Auxiliary spring for soft performance.
• Auxiliary spring with yellow color coding – Auxiliary spring for more aggressive per-
formance than with a green spring.
• Auxiliary spring with blue color coding – Auxiliary spring for more aggressive per-
formance than with a yellow spring.
• Auxiliary spring with red color coding – Auxiliary spring for more aggressive perfor-
mance than with a blue spring.
• Auxiliary spring without color coding – Auxiliary spring for progressive performance
(at first more aggressive than with the red spring, then softer than with the red
spring).
The engine characteristic can be influenced by different spring strengths of auxiliary
spring

.
Info
The auxiliary spring mounted in the as-delivered state as well as the additionally
available auxiliary springs can differ depending on model.
17.11 Engine characteristic – setting the auxiliary spring
Warning
Danger of burns Some vehicle components become very hot when the vehicle is operated.
– Do not touch any parts such as the exhaust system, radiator, engine, shock absorber, or brake system before the vehicle
parts have cooled down.
– Let the vehicle parts cool down before you perform any work on the vehicle.
Preparatory work
– Tilt the motorcycle to the left and secure against falling in this position.
Guideline
Angle of title approx. 45°
E00372-10
Main work
(All 125/150 models)
–
Remove screws

.