Hydraulic Tappet Adjuster Shim Selection - Honda Gold Wing GL1200D Shop Manual

U\HONDA
~
GL12000' GL1200A
HYDRAULIC TAPPET ADJUSTER SHIM
SELECTION
Adjust with shims the hydraulic tappet adjusters
when any of the following parts is replaced:
• Cylinder head/camshaft holder
• Camshaft
• Valve/valve seat (refaced)
• Rocker arm/rocker arm shaft
If none of the above parts are replaced, reinstall the
original shims in their correct positions.
Install the assist shaft/spring bolt.
With the "T-1" mark on the flywheel aligned with
the index mark on the crankcase, and the No.1
cylinder in Top Dead Center on its compression
stroke, determine the number of thims to be used
for the valves shown below:
No.1 cylinder: IN, EX NO.3 cylinder: EX
NoAcylinder: IN
Measure the distance between the top end of the
Shim Selection Gauge and shim surface of the
cam holder by inserting the gauge into the tappet
adjuster mount hole.
NOTE'
Check that there is no clearance between
the rocker arm and cam lobe, and rocker
arm and valve stem.
To prevent the incorrect shim selection by
valve lifting, make sure that the side move-
ment of the rocker arm during measure·
ment.
INTAKE
EXHAUST
NUMBER
OF SHIMS
8.5-9.5 mm 10.5-11.5 mm
0
(0.33-0.37 in) (0.41-0.45 in)
9.5-10.5 mm
11.5-12.5 mm
1
(Q.37~0.41
in) (0.45-0.49 in)
10.5-11.5mm 12.5-13.5 mm
2
10.41-0.45 in) (0.49-0.53 in)
Turn the crankshaft one complete turn 1360°)
clockwise and align the "T-1" mark on the flywheel
with the index mark on the crankcase.
Determine the number of shims to be used for the
valves shown below:
NO.2 cylinder: IN, EX NO.4 cylinder: EX
NO.3 cylinder: IN
CYLINDER HEADIVALVE
SHIM SELECTION GAUGE
07974-MG90000
t:=
NO CLEARANCE
~~
NO CLEARANCE
ASSIST SHAFT/SPRING
BOLT
EXHAUST SIDE
7-29