Yamaha 1999 SR125 Panduan Servis - Halaman 20

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CYLINDER HEAD

EB401430

CHECKING THE TIMING CHAIN TENSIONER

1. Check:

S timing chain tensioner

Cracks/damage/rough movement ! Re-

place.

a. Lightly press the timing chain tensioner rod

into the timing chain tensioner housing by

hand.

NOTE:

While pressing the timing chain tensioner rod,

wind it clockwise with a thin screwdriver 1 until

it stops.

b. Remove the screwdriver and slowly release

the timing chain tensioner rod.

c. Make sure that the timing chain tensioner rod

comes out of the timing chain tensioner

housing smoothly. If there is rough move-

ment, replace the timing chain tensioner.

SR********

1. Install:

S dowel pins 1

S gasket 2

S gasket (cylinder head) 3

2. Install:

S cylinder head

NOTE:

S Apply engine oil onto the nut threads.

S Tighten the bolts starting with the lowest num-

bered one.

–12–

ENG

New

M8 (1 X 4)

22 Nm (2.2 mSkg)

M8 (5 X 6)

20 Nm (2.0 mSkg)