Cylinder Head/Valve/Camshaft Specifications; Cylinder/Piston Specifications; Alternator/Starter Clutch Specifications - Honda TRX680FA Service Manual

GENERAL INFORMATION
CYLINDER HEAD/VALVE/CAMSHAFT SPECIFICATIONS
CYLINDER/PISTON SPECIFICATIONS
ALTERNATOR/STARTER CLUTCH SPECIFICATIONS
Unit: mm (in)
ITEM
Cylinder compression at 350 rpm (min
1
)
Valve clearance
Valve,
valve guide
Valve spring
Rocker arm
Camshaft and
cam follower
Valve stem O.D.
Valve guide I.D.
Stem-to-guide clearance
Valve guide projection
above cylinder head
Valve seat width
Free length
Arm I.D.
Shaft O.D.
Arm-to-shaft clearance
Cam lobe height
Cam follower O.D.
Follower bore I.D.
Follower-to-bore clear-
ance
IN
EX
IN
EX
IN/EX
IN
EX
IN
EX
IN/EX
Inner
Outer
IN/EX
IN/EX
IN/EX
IN
EX
IN/EX
IN/EX
IN/EX
Cylinder head warpage
STANDARD
550 kPa (5.6 kgf/cm
2
, 80 psi)
0.15(0.006)
0.33 (0.013)
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)
14.8-15.2(0.58-0.60)
17.3-17.7(0.68-0.70)
1.0-1.1 (0.039-0.043)
37.20 (1.465)
44.20 (1.740)
12.000 - 12.018 (0.4724 - 0.4731)
11.964 - 11.984 (0.4710 - 0.4718)
0.016 - 0.054 (0.0006 - 0.0021)
35.015 - 35.175 (1.3785 - 1.3848)
35.394 - 35.554 (1.3935 - 1.3998)
22.467 - 22.482 (0.8845 - 0.8851)
22.510 - 22.526 (0.8862 - 0.8868)
0.028 - 0.059 (0.0011 - 0.0023)
-
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)
36.3 (1.43)
43.1 (1.70)
12.05(0.474)
11.92 (0.469)
0.08 (0.003)
34.840 (1.3717)
35.144(1.3824)
22.46 (0.884)
22.54 (0.887)
0.07 (0.003)
0.05 (0.002)
Unit: mm (in)
ITEM
Cylinder
Piston,
piston pin,
piston ring
I.D.
Out-of-round
Taper
Warpage
Piston O.D. at 20 (0.8) from bottom
Piston pin hole I.D.
Piston pin O.D.
Piston-to-piston pin clearance
Piston ring end
gap
Piston ring-to-ring
groove clearance
Top
Second
Oil (side rail)
Top
Second
Cylinder-to-piston clearance
Connecting rod small end I.D.
Connecting rod-to-piston pin clearance
STANDARD
102.000 - 102.015 (4.0157 - 4.0163)
-
-
-
101.960 - 101.990 (4.0142 - 4.0153)
23.002 - 23.008 (0.9056 - 0.9058)
22.994 - 23.000 (0.9053 - 0.9055)
0.002 - 0.014 (0.0001 - 0.0006)
0.25-0.35(0.010-0.014)
0.40-0.55(0.016-0.022)
0.20-0.70(0.008-0.028)
0.045 - 0.080 (0.0018 - 0.0031)
0.025 - 0.060 (0.0010 - 0.0024)
0.010 - 0.055 (0.0004 - 0.0022)
23.030 - 23.050 (0.9067 - 0.9075)
0.030 - 0.056 (0.0012 - 0.0022)
SERVICE LIMIT
102.05(4.018)
0.05 (0.002)
0.05 (0.002)
0.05 (0.002)
101.90(4.012)
23.03 (0.907)
22.98 (0.905)
0.04 (0.002)
0.5 (0.02)
0.7 (0.03)
0.9 (0.04)
0.095 (0.0037)
0.075 (0.0030)
0.19 (0.007)
23.06 (0.908)
0.08 (0.003)
Unit: mm (in)
ITEM
Starter driven gear boss O.D.
Torque limiter slip torque
STANDARD
51.705 - 51.718 (2.0356 - 2.0361)
53-84N-m(5.4-8.6kgf-m,
3 9 - 6 2 Ibf-ft)
SERVICE LIMIT
51.61 (2.032)
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