Service Information - Honda INTERCEPTOR 2002 Service Manual

CYLINDER HEAD/VALVES
SERVICE INFORMATION
GENERAL
• This section covers service of the cylinder head, valves and camshaft.
• The camshaft services can be done with the engine installed in the frame.
• The rear cylinder head cannot be removed with the engine installed in the frame.
• When disassembling, mark and store the disassembled parts to ensure that they are reinstalled in their original loca-
tions.
• Clean all disassembled parts with cleaning solvent and dry them by blowing them off with compressed air before
in spection.
• Camshaft lubricating o il is fed through oil passages in the cylinder head. Clean the oil passages before assembling cyl-
inder head.
• Be carefu l not to damage the mating surfaces when removing the cylinder head cover and cylinder head.
SPECIFICATIONS
Unit: mm (in)
ITEM STANDARD SERVICE LIMIT
Cylinder compression 981 -1,373 kPa (10.0 -14.0 kgf/cm', 142
-
- 178 psi) at 300 rpm
Valve Normal side IN
0.20 ± 0.03 (0.008 ± 0.001)
-
clearance
EX
0.35 ±
0.03 (0.013
± 0.001)
-
VTEC side IN 0.20
±
0.08 (0.008
±
0.003)
-
EX
0.35 ± 0.08
(0.013
±
0.003)
-
Camshaft Cam lobe height IN
36.36- 36.44 (1.431- 1.435) 36.33 (1.430)
EX 36.21 -36.29 (1.426 - 1.429)
36.18 ( 1.424)
Runout
-
0.05 (0.002)
Oil clearance
0.020- 0.062 (0.0008- 0.0024) 0.10 (0.004)
Valve lifter Valve lifter O.D.
25.978 - 25.993 (1.0228 - 1.0233) 25.97 (1.022)
Valve lifter bo re J.D. 26.010- 26.026 (1.024 - 1.0246) 26.04 (1.025)
Valve, Valve stem 0. D. IN 4.475-4.490 (0.1762 - 0.1768)
4.465 (0.1758)
valve guide
EX 4.465-4.480 (0.1758- 0. 1764) 4.455 (0. 1754)
Valve guide 1.0. IN/EX
4.500 - 4.512 (0. 1772 -0.1776) 4.540 (0.1787)
Stem-to-guide IN
0.010-0.037 (0.0004 - 0.0015) 0.075 (0.0030)
clearance
EX 0.020-0.047 (0.0008- 0.0019) 0.085 (0.0033)
Valve guide projec- Normal
12.15 - 12.50 (0.478- 0.492)
-
t ion above cylinder side
head
VTEC side 19.65- 20.00 (0.774- 0.787)
-
Valve seat width
IN/EX 0.90- 1.10 (0.035- 0.043) 1.5 (0.06)
Valve spring Spring A outer 42.3 (1.67)
41.5 (1.63)
f ree length
Spring B outer 54.3 (2.14)
53.2 (2.09)
Spring A inner 39.8 (1.57)
39.0 (1.54)
Spring Binner
39.1 (1.54) 38.3 (1.51)
Cylinder head warpage -
0.10 (0.004)
8-3