Yamaha F150 Servisní příručka stáhnout pdf (Strana 119)

63P3F11

5-34

1

2

3

4

5

6

7

8

9

3. Measure the camshaft journal diameter

c

and cylinder head journal inside diam-

eter

d

. Replace the camshaft and cylin-

der head if out of specification.

4. Calculate the camshaft oil clearance

e

as follows. Replace the camshaft and

cylinder head as a set if out of specifica-

tion.

Checking the cylinder head

1. Eliminate carbon deposits from the com-

bustion chambers and check for deterio-

ration.

2. Check the cylinder head warpage using a

straightedge

1

and thickness gauge

2

in seven directions as shown. Replace if

out of specification.

Installing the valves

1. Install a new valve seal

1

into the valve

guide.

Camshaft runout limit:

0.03 mm (0.0012 in)

Camshaft journal diameter

c

:

24.960–24.980 mm

(0.9827–0.9835 in)

Camshaft cap inside diameter

d

:

25.000–25.021 mm

(0.9843–0.9851 in)

Camshaft oil clearance

e

=

Camshaft cap inside diameter

d

–

Camshaft journal diameter

c

:

0.020–0.060 mm

(0.0008–0.0024 in)

S63P5180

S69J5970

d

c

Cylinder head warpage limit:

0.10 mm (0.0039 in)

S63P5190

2

1

S63P5200

Cylinder head

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