Honda 2005-2008 RX500 FA Service Manual page 165

'61HN252' by American Honda Motor Co. - Page 165 of 540
[2005-2008] [TRX500 FA/FGA]
SERVICE INFORMATION
GENERAL
· This section covers service of the rocker arms, cylinder head, valves and camshaft. These services can be done 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
inspection.
· Rocker arm, valve and camshaft lubricating oil is fed through oil passages in the cylinder head and head cover. Clean
the oil passages before assembling cylinder head and head cover.
· Be careful not to damage the mating surfaces when removing the cylinder head cover and cylinder head.
SPECIFICATIONS
Cylinder compression at 450 rpm (min
Valve clearance
Valve,
valve guide
Valve spring
Rocker arm
Camshaft and
cam follower
Cylinder head warpage
TORQUE VALUES
Cylinder head cover cap nut
Upper engine hanger bolt/nut
Upper engine hanger bolt
Engine coolant temperature
(ECT) sensor
Spark plug
1 of 1
ITEM
)
-1
IN
EX
Valve stem O.D. IN
EX
Valve guide I.D. IN/EX
Stem-to-guide clearance IN
EX
Valve guide projection IN
above cylinder head
EX
Valve seat width IN/EX
Free length Inner
Outer
Arm I.D. IN/EX
Shaft O.D. IN/EX
Arm-to-shaft clearance IN/EX
Cam lobe height IN
EX
Cam follower O.D. IN/EX
Follower bore I.D. IN/EX
Follower-to-bore clear- IN/EX
ance
(frame side)
(engine side)
http://services.honda.com/ServiceManual/SVC_MNL/61HN253/61HN2...
CYLINDER HEAD/VALVE/CAMSHAFT
STANDARD
608 902 kPa (6.2 9.2 kgf/cm , 88 131
2
psi)
0.15 (0.006)
0.23 (0.009)
5.475 5.490 (0.2156 0.2161)
5.455 5.470 (0.2148 0.2154)
5.500 5.512 (0.2165 0.2170)
0.010 0.037 (0.0004 0.0015)
0.030 0.057 (0.0012 0.0022)
15.8 16.2 (0.62 0.64)
18.8 19.2 (0.74 0.76)
1.0 1.1 (0.039 0.043)
38.82 (1.528)
51.17 (2.015)
12.000 12.018 (0.4724 0.4731)
11.964 11.984 (0.4710 0.4718)
0.016 0.054 (0.0006 0.0021)
33.9602 34.1202 (1.33701 1.34331)
34.1959 34.3559 (1.34629 1.35259)
22.467 22.482 (0.8845 0.8851)
22.510 22.526 (0.8862 0.8868)
0.028 0.059 (0.0011 0.0023)
53 N·m (5.4 kgf·m, 39 lbf·ft)
54 N·m (5.5 kgf·m, 40 lbf·ft)
32 N·m (3.3 kgf·m, 24 lbf·ft)
10 N·m (1.0 kgf·m, 7 lbf·ft)
22 N·m (2.2 kgf·m, 16 lbf·ft)
Unit: mm (in)
SERVICE LIMIT
5.45 (0.215)
5.43 (0.214)
5.53 (0.218)
0.12 (0.005)
0.14 (0.006)
1.4 (0.06)
37.8 (1.49)
49.0 (1.93)
12.05 (0.474)
11.92 (0.469)
0.08 (0.003)
33.790 (1.3303)
33.946 (1.3365)
22.46 (0.884)
22.54 (0.887)
0.07 (0.003)
0.10 (0.004)
Apply oil to the threads and seat-
ing surface
Apply locking agent to the
threads
8-3
3/9/2008 10:49 PM