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Yamaha TT-R90 Handbuch Seite 170

Vorschau ausblenden Andere Handbücher für TT-R90:
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CYLINDER HEAD
CAUTION:
Do not turn the crankshaft during instal-
.
lation of the camshaft. Damage or
improper valve timing will result.
Remove the safety wire from the timing
G
chain.
4. Install:
Washer
G
Bolt 1
G
NOTE:
Install the bolt 1 while holding the rotor nut
with a wrench.
5. Install:
Timing chain tensioner
G
Installation steps:
Remove the tensioner cap bolt 1 and
G
spring 2.
Release the timing chain tensioner one-
G
way cam 3 and push the tensioner rod 4
all the way in.
Install the tensioner with a new gasket 5
G
onto the cylinder.
Timing chain tensioner bolt:
10 Nm (1.0 m • kg, 7.2 ft • lb)
Install the spring 2 and cap bolt 1.
G
Tighten the bolt (with gasket) to the speci-
G
fied torque.
Cap bolt:
8 Nm (0.8 m • kg, 5.8 ft • lb)
6. Check:
Rotor "I" mark
G
Align with the crankcase stationary
pointer.
Valve clearance
G
Out of specification → Adjust.
Refer to the "VALVE CLEARANCE
ADJUSTMENT" section in CHAPTER
3.
4 - 12
ENG
20 Nm (2.0 m · kg, 14 ft · lb)

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