Maintenance work on chassis and engine – KTM 450 EXC-R EU User Manual

Page 42

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MAINTENANCE WORK ON CHASSIS AND ENGINE

40

400189-10

Move the handlebar to the straight-ahead position. Move the fork legs to and fro in
the direction of travel.

No play should be noticeable in the steering head bearing.

»

If there is noticeable play present:

(EXC-R

bSIXbDAYS, XCR-WbUSA)

Adjust play of the steering head bearing. (

P. 40)

(EXC-R

bEU, EXC-RbAUS/UK, EXC-RbUSA, XCR-WbZA)

Adjust play of the steering head bearing. (

P. 40)

Move the handlebar to and fro over the entire steering range.

The handlebar must be able to move easily over the entire steering range. No
resting locations should be noticeable.

»

If click positions are noticeable:

(EXC-R

bSIXbDAYS, XCR-WbUSA)

Adjust play of the steering head bearing. (

P. 40)

(EXC-R

bEU, EXC-RbAUS/UK, EXC-RbUSA, XCR-WbZA)

Adjust play of the steering head bearing. (

P. 40)

Check the steering head bearing and replace if required.

Remove the motorcycle from the work stand. (

P. 32)



Adjusting play of steering head bearing

b

x

(EXC-R

bEU, EXC-RbAUS/UK, EXC-RbUSA, XCR-WbZA)

Jack up the motorcycle. (

P. 32)

100022-10

Loosen screws

b



and

b



.

Loosen and retighten screw

b



.

Specification

Screw, top steering head

M20x1,5

10

bNm (7.4blbfbft)

Using a plastic hammer, tap lightly on the upper triple clamp to avoid strains.

Fully tighten screw

b



.

Specification

Screw, top triple clamp

M8

20

bNm

(14.8

blbfbft)

Tighten screw

b



.

Specification

Screw, top steering stem

M8

20

bNm

(14.8

blbfbft)

Check play of steering head bearing. (

P. 39)



Adjusting play of steering head bearing

b

x

(EXC-R

bSIXbDAYS, XCR-WbUSA)

Jack up the motorcycle. (

P. 32)

500103-11

Loosen screw

b



. Remove screw

b



.

Loosen and retighten screw

b



.

Specification

Screw, top steering head

M20x1,5

10

bNm (7.4blbfbft)

Using a plastic hammer, tap lightly on the upper triple clamp to avoid strains.

Fully tighten screw

b



.

Specification

Screw, top triple clamp

M8

17

bNm

(12.5

blbfbft)

Mount and tighten screw

b



.

Specification

Screw, top steering stem

M8

17

bNm

(12.5

blbfbft)

Loctite

®

243™

Check play of steering head bearing. (

P. 39)

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