Yamaha 440 Instrukcja Obsługi Pobierz pdf (Strona 11)

1980 SRX440

:~

1\10 I E:

For

thermostat

inspection.

refer to

3-5

thermostat.

2. Remove the intake manifold.

3. Remove the exhaust pipe assembly.

4. Remove the cylinder head

holding

nuts.

cylinder head. gasket and

a-ring.

NOTE:

-------------

Loosen spark plugs before

removing

cylinder

head.

5. Remove the cylinder and cylinder base

gasket.

6. Remove piston pin

clip

from

piston.

NOTE:

-------------

Before removing the

piston

pin clip. cover

the

crankcase

with

a clean rag to

prevent

the

clip

from

accidentally falling

into

the

crankcase.

7. Push piston pin

from

opposite

side.

then

pull out. Protect pin

with

rag.

NOTE:-------------

Before

moving

piston pin.

deburr

clip groove

and pin hole area.

2·5

8. Remove engine bracket.

9. Remove crankcase holding bolts

..

Each

bolt

position is numbered,

Start

with

the

largest

number

for

disassembly. Loosen

each

bolt

1/4

turns

and proceed to

the

next.

10.

Split

crankcase by

lightly

striking

the

upper and

lower

crankcases.

11. Remove crankshaft by

tapping

the

shaft

with

your

hands.

2-2.

INSPECTION.

REASSEMBLY

AND

ADJUSTMENT

A.

Engine

components

1. Crankcase

a.

Thoroughly

wash

the

case halves in

mild

solvent.

b. Clean gasket

mating

surfaces and

crankcase

mating

surfaces thoroughly.

c. Visually inspect case halves for any

cracks. road damage. etc.

d. Check oil delivery passages in transfer

ports

for

signs

of

blockage.

2. Bearing and oil seal inspection

a.

After

cleaning and lubricating bearings.

rotate

outer

race

with

a finger. If rough

spots are noticed. replace

the

bearing.

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 91 92

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