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Section 05
ENGINE (4-TEC)
Subsection 08
(CYLINDER HEAD AND VALVES)
SMR2003-020_05_08A.FM
05-08-15
Check valve guide bore for abreased material.
NOTE:
If valve guide has caused scoring during
extraction, replace the cylinder head.
The inlet and exhaust valve guides have the same
length and are interchangeable.
Grease the bore in cylinder head and the leading
end of valve guide with Molykote G-N slide paste.
TYPICAL
1. Valve guide leading end
2. Cylinder head bore
3. Jig
With a suitable jig press the valve guide into the
cold cylinder head as shown.
TYPICAL
A. Protrusion
NOTE:
For lubrication of the reamer use only cut-
ting oil. Turn the reamer only forward, in cutting
direction, never backward. Clean the reamer at
short intervals from swarf, moving the reamer
only while turning in cutting direction.
Ream the new valve guide with a reamer
6 mm
diameter.
Clean cylinder head carefully. Check that the valve
seat is concentric with the new guide axis (check
contact surface with engineer’s blue).
3
R1503motr256A
1
2
VALVE GUIDE PROTRUSION mm (in)
MINIMUM
12.4 mm (.4882 in)
MAXIMUM
12.8 mm (.5039 in)
A
R1503motr257A
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Summary of Contents for 2003 GTI LE RFI
Page 1: ...www SeaDooManuals net ...
Page 767: ...NOTE www SeaDooManuals net ...
Page 768: ...NOTE www SeaDooManuals net ...
Page 769: ...F00Z0D 2003 GTI MODEL WARNING www SeaDooManuals net ...
Page 770: ...F00Z0C 2003 GTI LE MODEL WARNING www SeaDooManuals net ...
Page 771: ...F00Z0E 2003 GTI LE RFI MODEL WARNING www SeaDooManuals net ...
Page 772: ...F00Z0J 2003 RX DI MODEL WARNING www SeaDooManuals net ...
Page 773: ...F00Z0I 2003 GTX DI MODEL WARNING www SeaDooManuals net ...
Page 774: ...F00Z0K 2003 XP DI MODEL WARNING www SeaDooManuals net ...
Page 775: ...F00Z0F 2003 GTX 4 TEC MODEL WARNING www SeaDooManuals net ...
Page 776: ...F00Z0G 2003 GTX 4 TEC MODEL WITH AUXILIARY DESS MODULE WARNING www SeaDooManuals net ...
Page 777: ...F00Z0B 2003 GTX 4 TEC AND GTX 4 TEC SUPERCHARGED MODELS WARNING www SeaDooManuals net ...
Page 779: ...www SeaDooManuals net ...