Cylinder Head/Valve Troubleshooting; Cylinder Head/Valve Tools; Cylinder Head/Valve Torque Values - Honda Gold Wing GL1200D Shop Manual

CYLINDER HEADIVALVE
~HONDA
~GL1200D'GL1200A
Un"t'
r )
I .
mm
'"
ITEM
STANDARD
SERVICE liMIT
Camshaft
Cam lobe height IN
35.8 (1.41)
35.6 (1.40)
EX
35.8 (1.41) 35.6 (1.40)
Runout (at center journal)
0.10 (O.O04)
Journal 0.0.
Center
24.934
24.950 (0.9817
0.9823) 24.91 (0.981)
Both ends
26.954-24.970 (1.0612-0.9831) 26.91 (1.059)
Holder journal 1.0. Center 25.000 25.021 (0.9843-0.9851)
25.05 (0.986)
Both ends 27.000
27.021 (1.0630 1.0638)
27.05 (1.065)
Journal oil clearance Center
0.050-0.087 (O.OO20-0.0034)
0.14 (0.006)
Both ends
0.030 0.067 {O.D012 a.D026}
0.14 (0,006)
Cylinder head warpage
0.10 (0.004)
TORQUE VALUES
Cylinder head bolt (10 mm bolt)
Timing belt dreven pully bolt
Hydraulic tappet adjuster stopper plug
Camshaft holder bolt
Rocker arm assist bolt
Heat shield bolt
Timing belt cover bolt
Cylinder head cover bolt
Timing belt tensioner bolt
53-57 N·m (5.3-5.7 kg-m, 38-41 ft-Ib)
25-29 N·m (2.5-2.9 kg-m, 18-21 ft-Ib)
23-27 N·m (2_3-2.7 kg-m, 17-20 ft-Ib)
18-22 N·m (1.8-2.2 kg-m, 13-16 ft-Ib)
10-14N·m (1.0-1.4kg-m, 7-10ft-lb)
8-12 N·m (0.8-1.2 kg-m, 6-9 ft-Ib)
10-14 N'm (1.0-1.4 kg-m, 7-10 ft-Ib)
10-14 N·m (1.0-1.4 kg-m, 7-10 ft-Ib}
24-28 N'm (2.4-2.8 kg-m, 17-20 ft-Ib)
TOOLS
Special
Timing pully holder
Hydraulic tappet breeder
Valve guide reamer, 6.6 mm
Shim selection gauge
07925-3710200
07973-MJOOOOO
or 07973-ME90000
07984-5510000
07974-MG90000
Common
Valve spring compressor
Valve guide remover, 6.6 mm
07757-0010000
07742-0010200
TROUBLESHOOTING
Engine top-end problems can be diagnosed by a compression test, or by tracing noises with a sounding rod or stethoscope.
low compression or uneven compression
• Valves
Sticking hydraulic tappet adjuster
Incorrect hydraulic adjuster shim
Incorrect valve clearance
8urned or bent valves
Incorrect valve timing
Sticking valve
Broken valve spring
• Cylinder Head
- leaking or damaged head gasket
- Warped or cracked cylinder head
• Camshaft
Worn or damaged timing belt
- loose pulley or drive key
- Worn or damaged belt tensioner pulley
• Engine lower end problems (See section 11)
Compression too high
• Excessive carbon build-up on piston head or combustion
chamber
Excessive noise
• Hydraulic Tappet Adjuster
Air in hydraulic tappet adjuster or improper installa-
tion
Worn or sticking adjuster
Clogged cylinder head oil holes or orifices
Broken or weak assist spring
Sticking or damaged assist shaft
Use of improper shim
• Worn valve stem
• Sticking valve or broken valve spring
• Damaged rocker arm or camshaft
• Loose or damaged camshaft drive belt
• loose or damaged drive belt tensioners or drive pulleys.
Contaminated engine oil or coolant
• Leaking or blown head gasket
• Leaking core plugs
• 'Damaged or warped cylinder head
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