Adjusting Chain Guide; Check Brake Discs; Checking Free Play Of The Hand Brake Lever - KTM 450 EXC Owner's Manual

MAINTENANCE WORK ON CHASSIS AND ENGINE

Adjusting chain guide

x
9.50

Check brake discs

9.51
Warning
Danger of accidents Reduced braking due to worn brake discs.
–
Worn brake discs should be replaced immediately in an authorized KTM workshop.

Checking free play of the hand brake lever

9.52
Warning
Danger of accidents Brake system failure.
–
If there is no free travel on the hand brake lever, pressure builds up on the front brake in the brake system. The front brake
can fail due to overheating. Adjust free travel on hand brake lever according to specifications.
–
Remove screws
Condition
Number of teeth: ≤ 44 teeth
–
Insert nut
–
Mount and tighten screws
Guideline
Remaining screws, chassis
Condition
Number of teeth: ≥ 45 teeth
–
Insert nut
–
Mount and tighten screws
Guideline
Remaining screws, chassis
400252-10
–
Check the thickness of the front and rear brake discs at several places on the disc
to see if it conforms to measurement
Info
A A
Wear reduces the thickness of the brake disc around the area used by the
brake linings.
Brake discs - wear limit
Front
400257-10
Rear
» If the brake disc thickness is less than the specified value:
–
Change the brake disc.
–
Check the front and rear brake discs for damage, cracking and deformation.
» If the brake disc exhibits damage, cracking or deformation:
–
Change the brake disc.
and . Take off the chain guide.
 
in hole . Position the chain guide.
 
and .
 
in hole . Position the chain guide.
 
and .
 
.

M6 10 Nm
(7.4 lbf ft)
M6 10 Nm
(7.4 lbf ft)
2.5 mm (0.098 in)
3.5 mm (0.138 in)
52