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

16 TUNING THE ENGINE
16.7

Changing the ignition curve

Change the ignition curve from Performance to Soft.
–
Disconnect plug-in connection
Soft – better rideability
Change the ignition curve from Soft to Performance.
–
Connect plug-in connection
Performance – better performance
16.8

Checking the basic position of the shift lever

16.9

Adjusting the basic position of the shift lever

16.10

Engine characteristic - auxiliary spring (All 250/300 models)

. (Figure 101715-10
1
. (Figure 101715-10
1
–
Sit on the vehicle in the riding position and determine the distance
upper edge of your boot and the shift lever.
Distance between shift lever and upper
edge of boot
» If the distance does not meet specifications:
–
Adjust the basic position of the shift lever.
400692-10
–
Remove screw
B00065-10
–
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 the screw.
B00066-10
Guideline
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 contained in the separate
•
enclosure for softer performance.
Auxiliary spring with red marking – Auxiliary spring contained in the separate
•
enclosure for more aggressive performance.
B00056-10 The engine characteristic can be influenced by different spring strengths of the auxil-
iary spring .
1
p. 88)
p. 88)
x
and take off shift lever
1
of the shift lever and shift shaft.
A
M6
A
10... 20 mm (0.39... 0.79 in)
( p. 89)
x
.
2
Loctite
14 Nm
(10.3 lbf ft)
89
between the
243™
®