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Section 05
ENGINE (4-TEC)
Subsection 08
(CYLINDER HEAD AND VALVES)
05-08-12
SMR2002_072_05_08A.FM
Withdraw valve spring compressor, valve spring
retainer
no. 25
and valve springs.
1. Valve spring retainer
2. Inner valve spring
3. Outer valve spring
Inspection
Check valve springs for rust, corrosion or other vis-
ible damages. If so, replace faulty valve springs.
Check valve springs for free length and straight-
ness.
Replace valve springs if not within specifications.
A. Valve spring length
Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
Colored area of the valve spring must be placed on
top.
NOTE:
Valve cotters must be properly engaged in
valve stem grooves.
1. Position of the valve spring
VALVE
Removal
Remove valve spring.
Push valve stem then pull valves
no. 26
and
no. 27
out of valve guides.
1. Intake valve 38 mm
2. Exhaust valve 31 mm
Remove valve stem seal
no. 28
with special pliers
such as Snap-on YA 8230.
OUTER VALVE SPRING FREE LENGTH
NEW NOMINAL
45.45 mm (1.789 in)
SERVICE LIMIT
43 mm (1.693 in)
INNER VALVE SPRING FREE LENGTH
NEW NOMINAL
41.02 mm (1.615 in)
SERVICE LIMIT
38.8 mm (1.499 in)
1
R1503motr105A
2
3
R610motr122A
A
1
R1503motr105B
R1503motr106A
1
2
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Summary of Contents for GTX 4-TEC 5573 2002
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Page 2: ...2002 Shop Manual Volume 2 GTX DI GTX 4 TEC www SeaDooManuals net ...
Page 501: ...GTX DI MODEL www SeaDooManuals net ...
Page 502: ...F18Z0P MODEL GTX DI 2002 12 VOLTS DISTRIBUTION www SeaDooManuals net ...
Page 503: ...GTX 4 TEC MODEL www SeaDooManuals net ...
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