Suzuki VLR1800, Руководство по обслуживанию

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1D-53 Engine Mechanical:
4) Check that the transferred red lead (Blue) on the
valve face is uniform all around and in center of the
valve face.
If the seat width “a” measured exceeds the standard
value, or seat width is not uniform reface the seat
using the seat cutter. Refer to “Valve Seat Repair
(Page 1D-54)”.
Valve seat width “a” (IN. & EX.)
Standard: (IN.) 1.1 – 1.3 mm (0.043 – 0.051 in)
Standard: (EX.) 1.4 – 1.6 mm (0.055 – 0.063 in)
Valve Seat Sealing Condition
1) Clean and assemble the cylinder head and valve
components.
2) Fill the intake and exhaust ports with gasoline to
check for leaks. If any leaks occur, inspect the valve
seat and face for burrs or other things that could
prevent the valve from sealing. Refer to “Valve Seat
Repair (Page 1D-54)”.
WARNING
!
Always use extreme caution when handling
gasoline.
NOTE
After servicing the valve seats, be sure to
check the valve clearance after the cylinder
head has been reinstalled. Refer to “Valve
Clearance Inspection and Adjustment in
Section 0B (Page 0B-5)”.
Valve Guide Replacement
B822H11406052
1) Remove the cylinder head. Refer to “Engine Top
Side Disassembly (Page 1D-25)”.
2) Remove the valves and springs. Refer to “Cylinder
Head Disassembly and Assembly (Page 1D-47)”.
3) Using the valve guide remover, drive the valve guide
out toward the intake or exhaust camshaft side.
Special tool
(A): 09916–46020 (Valve guide remover/
installer)
NOTE
• Discard the removed valve guide sub
assemblies.
• Only oversized valve guides are available
as replacement parts. (Part No. 11115-
65J00-001)
4) Cool down the new valve guides in a freezer for
about one hour and heat the cylinder head to 100 –
150
°
C (212 – 302
°
F) with a hot plate.
CAUTION
!
Do not use a burner to heat the valve guide
hole to prevent cylinder head distortion.
5) Apply engine oil to each valve guide and valve guide
hole.
“a”
I649G1140246-02
I822H1140149-01
(A)
I822H1140151-01