Cylinder Head/Valve Specifications; Cylinder/Piston Specifications - Honda VT750C2 Shadow Spirit Service Manual

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GENERAL INFORMATION
CYLINDER HEAD/VALVE SPECIFICATIONS
Unit: mm (in)
ITEM STANDARD SERVICE LIMIT
Cylinder compression at 400 rpm
1,373
±
98 kPa (14.0
±
1.0 kgf/cm<,
199
±
14 psi)
-
Valve clearance IN 0.15
±
0.02 (0.006
±
0.001)
-
EX
0.20
±
0.02 (0.008
±
0.001)
-
Cam chain tensioner wedge B length
-
6 (0.2)
Camshaft
Cam lobe height
IN 37.188 - 37.348 (1.4641 - 1.4704) 37.16 (1.463)
EX 37.605 - 37.765 (1.4805 - 1.4868) 37.58 (1.480)
Runout
IN/EX
-
0.05 (0.002)
Journal
0.0.
IN/EX
21.959 - 21.980 (0.8645 - 0.8654)
21.90 (0.862)
Oil clearance IN/EX 0.020 - 0.141 (0.0008 - 0.0056) 0.16 (0.006)
Rocker arm,
Rocker arm shaft 0.0.
IN/EX
11.966 - 11.984 (0.4711 - 0.4718)
11.83 (0.466)
rocker arm Rocker arm 1.0.
IN/EX
12.000 - 12.018 (0.4724 - 0.4731) 12.05 (0.474)
shaft
Rocker arm-to-shaft clearance 0.016 - 0.052 (0.0006 - 0.0020) 0.07 (0.003)
Valve, valve
Valve stem 0.0.
IN 5.475 - 5.490 (0.2156 - 0.2161) 5.45 (0.215)
guide
EX
5.455 - 5.470 (0.2148 - 0.2154) 5.41 (0.213)
Valve gUide 1.0.
IN 5.500 - 5.510 (0.2165 - 0.2169) 5.56 (0.219)
EX
5.500 - 5.512 (0.2165 - 0.2170) 5.56 (0.219)
Stem-to-guide IN 0.010 - 0.035 (0.0004 - 0.0014) 0.10 (0.004)
clearance
EX
0.030 - 0.057 (0.0012 - 0.0022) 0.11 (0.004)
Valve guide projection IN 18.7 - 18.9 (0.736 - 0.744)
-
above cylinder head
EX 17.2 ­ 17.4 (0.68 - 0.69)
-
Valve seat width
IN/EX
0.90 - 1.10 (0.035 - 0.043) 1.5 (0.06)
Valve spring Free length IN 42.14(1.659) 40.58 (1.598)
EX
46.11 (1.815) 44.72 (1.761)
Cylinder head warpage
-
0.10 (0.004)
CYLINDER/PISTON SPECIFICATIONS
Unit: mm (in)
ITEM STANDARD SERVICE LIMIT
Cylinder
/.D. 79.000 - 79.015 (3.1102 - 3.1108) 79.10 (3.114)
Out-of-round
-
0.06 (0.002)
Taper
-
0.06 (0.002)
Warpage
-
0.10 (0.004)
Piston, piston
pin, piston
Piston O.D. at 17 mm (0.7 in) from
the bottom
78.97 - 78.99 (3.109 - 3.110) 78.90 (3.106)
rings
Piston pin bore 1.0.
18.002 - 18.008 (0.7087 - 0.7090) 18.05 (0.711)
Piston pin
0.0.
17.994 - 18.000 (0.7084 - 0.7087) 17.98 (0.708)
Piston-to-piston pin clearance
0.002 - 0.014 (0.0001 - 0.0006) 0.04 (0.002)
Piston ring end
gap
Top
0.15 - 0.25 (0.006 - 0.010) 0.4 (0.02)
Second 0.25 - 0.40 (0.010 - 0.016) 0.6 (0.02)
Oil (side rail) 0.20 - 0.80 (0.008 - 0.031) 1.0 (0.04)
Piston ring-to­
ring groove
clearance
Top
0.025 - 0.055 (0.0010 - 0.0022) 0.08 (0.003)
Second
0.015 - 0.045 (0.0006 - 0.0018) 0.07 (0.003)
Cylinder-to-piston clearance 0.010 - 0.045 (0.0004 - 0.0018) 0.10 (0.004)
Connecting rod small end I.D. 18.016 - 18.034 (0.7093 - 0.7100) 18.07 (0.711)
Connecting rod-to-piston pin clearance 0.016 - 0.040 (0.0006 - 0.0016) 0.06 (0.002)
Revised: September 2008. 2007-2009 VT750C2