Yamaha MAJESTY YP250, Руководство по обслуживанию

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4-9
CYLINDER HEAD
ENG
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NOTE:
CAUTION:
3. Install:
S
Cam sprocket 1
S
Timing chain 2
Installing steps:
D
Turn the primary sheave counterclockwise
until the TDC mark
a matches the stationary
pointer b .
D
Align the “I” mark c on the cam sprocket with
the stationary pointer d on the cylinder
head.
D
Fit the timing chain onto cam sprocket and
install the cam sprocket on the camshaft.
D
When installing the cam sprocket, keep the
timing chain as tense as possible on the ex-
haust side.
D
Align the match mark
c
on the cam sprocket
with the stationary pointer d on the cylinder
head.
D
Align the pin on the camshaft with the slot in
the cam sprocket.
Do not turn the crankshaft during installa-
tion of the camshaft. Damage or improper
valve timing will result.
D
While holding the camshaft, temporarily
tighten the bolts.
D
Remove the safety wire from the timing
chain.
4. Install:
S
Breather plate 1
S
Plane washer 2