Honda V65 Magna-VF1100C 1983 Shop Manual page 139

10. CYLINDER HEAD/VALVE
SERVICE INFORMATION
TROUBLESHOOTING
CAMSHAFT REMOVAL
CYLINDER HEAD REMOVAL
CYLINDER HEAD DISASSEMBLY
SERVICE INFORMATION
GENERAL
10- 1
10-2
10-3
10-7
10-'-9
• The cylinder head can be removed with the engine in the frame.
VALVE GUIDE REPLACEMENT
VALVE SEAT INSPECTION/
REFACING
CYLINDER HEAD ASSEMBLY
CYLINDER HEAD INSTALLATION
CAMSHAFT INSTALLATION
10-13
10-14
1(}-15
10- 16
10-19
• If the cam sprockets of either front or rear cy linder are removed, the valve t iming of both cylinders must be checked during
reinstallation .
• Camshaft lubricating oil is fed through an oil line. Be sure the hole in the oil line is not clogged.
• During assembly, apply molybdenum disulfide to the camshaft holder surfaces to provide initial lubrication.
• The cylinder numbering is given below:
~~~
FRONT
---
SPECIFICATIONS
STANDARD SERVICE LIMIT
Compression pressure
13 ± 2 kg/cm
2
(184
±
28 psi)
-
Camshaft Cam height IN
35.335-35.495 mm (1.3911-1.3974 in)
35.3 mm
(1.39 in)
EX 35.335- 35.495 mm (1.3911-1.3974 in) 35.3 mm
(1.39 in}
Runout
-
0.10 mm
(0.004 in)
End clearance
0.05- 0.25 mm
(0.002- 0.010 in)
0.30 mm
(0.012 in)
Oil clearance
Center
0.030-0.091 mm
(0.0012-0.0036 in)
0.095 mm (0.0037 in)
Both ends
0.030-0.091 mm (0.0012-0.0036 in)
0.095 mm
(0.0037 in)
Rocker arm Rocker arm I.D. 12.000- 12.018 mm (0.4724-0.4731 in) 12.05 mm (0.474 in)
Shaft O.D. 11.966-11 .984 mm (0.4711-0.47 18 in} 11.93 mm
(0.470 in)
Valve
Valve stem O.D. IN
5.475-5.490 mm (0.2 156-0.2161 in) 5.47 mm
(0.215 in)
EX 5.455-5.470 mm (0.2 148-0.2154 in) 5.45 mm (0.214 in)
Valve guide I .D.
5.500-5.515 mm
(0.2165- 0.2171 i n) 5.55 mm
(0.219 in)
Stem·to.guide clearance IN
0.010-0.040 mm
(0.0004- 0.0016 in) 0.08 mm
(0.003 in)
EX
0.030- 0.060 mm (0.0012-0.0024 in) 0.10 mm
(0.004 in)
Valve stem runout
-
0.05 mm (0.002 in)
Valve length IN
87.05 mm
(3.427 in)
86.55 mm (3.407 in)
EX
86.85 mm (3.419 in)
86.35 mm (3.400 in)
Valve seat width
1.2mm (0.047 in)
1.5 mm
(0.06 in)
10-1