Honda Shadow TA200 2001 Manual page 103

7.CYUNDERHEADNALVES
SERVICE INFORMATION
7-1
VALVE GUIDE REPLACEMENT 7-9
TROUBLESHOOTING 7-2 VALVE SEAT INSPECTION/REFACING 7-10
CYLINDER COMPRESSION
7-3
CYLINDER HEAD ASSEMBLY
7-13
CYLINDER HEAD COVER/CAMSHAFT CYLINDER HEAD INSTALLATION 7-15
REMOVAL
7-4
CYLINDER HEAD COVER/CAMSHAFT
CYLINDER HEAD REMOVAL 7-6
INSTALLATION 7-16
CYLINDER HEAD DISASSEMBLY 7-7
SERVICEtFORI\IIA1100
GENERAL
This section covers cylinder head, valves, camshaft and rocker arm maintenance.
The engine must be removed to service the cylinder head, valves and rocker arms.
Camshaft l u brication oil i s fed to the cylinder head through an oil control orifice i n the crankcase.
Be sure that this orifice i s not clogged and that new 0-rings and dowel pins are in place before i n stalling the cylinder
head.
The camshaft can be serviced with the engine installed i n the frame.
ITEM STANDARD SERVICE LIMIT
Cylinder compression
1,177 kPa (12.0 kgf/cm', 171 psi) at
--
450 (rpm)
Cylinder head Warpage
--
0.5 (0.02)
Valve and
Valve clearance
IN
0.10 ± 0.02 (0.004 ± 0.001)
--
valve guide
EX 0.10 ± 0.02 (0.004 ± 0.001)
--
Valve stem O.D. IN
5.450 - 5.465 (0.2146 - 0.2152) 5.42 (0.213)
EX
5.430 - 5.445 (0.2138 - 0.2144) 5.40 (0.213)
Valve guide 1.0. IN 5.475 - 5.485 (0.2156 - 0.2159)
5.50 (0.217)
EX
5.475 - 5.485 (0.2156 - 0.2159) 5.50 (0.217)
Stem-to-guide clearance IN
0.010 - 0.035 (0.0004 - 0.0014) 0.06 (0.002)
EX
0.030 - 0.055 (0.0012 - 0.0022) 0.08 (0.003)
Valve seat width IN/EX
1.1 - 1.3 (0.0433 - 0.0512) 1.5 (0.0590)
Valve spring Free l e ngth
Inner
IN/EX
39.2 (1.54) 38.0 (1.50)
Outer IN/EX
44.9 (1.77) 43.5 (1.71)
Rocker arm
Rocker arm I . D.
IN/EX
12.000- 12.018 (0.4724 - 0.4731)
12.05 (0.474)
Rocker arm shaft 0.D. IN/EX
11.966- 11.984 (0.4711 - 0.4718) 11.93 (0.470)
Rocker arm-to-shaft clearance
IN/EX 0.016 - 0.052 (0.0006 - 0.0020)
0.08 (0.003)
Camshaft Cam l o be height
IN
31.372- 31.612 (1.2351 -1.2446) 31.1 (1.2244)
EX
31.212- 31.452 (1.2288 -1.2383) 31.0 (1.2204)
Camshaft runout
--
0.03 (0.0012)
7-1