Cylinder/Piston Specifications; Alternator/Starter Clutch Specifications '·8 - Honda 2006 TRX680FA Service Manual

GENERAL INFORMATION
CYLINDER HEADIVALVE/CAMSHAFT SPECIFICATIONS
Unit: mm (in)
ITEM STANDARD
I
SERVICE UMIT
Cylinder compression__at 350 rpm
(min-I)
550 kPa (5.6 kgf/cm , 80 psi)
Valveclearance
IN
0.15 (0.006)
EX
O.33l0.013l
-
Valve, Valve stem 0.0.
IN
5.475 - 5.490 (0.2156 0.21611
5.45 (0.215)
valve guide EX
5.455 - 5.470 (0.2148
0.21541
5.43 (0.2141
Valve guide I.D.
IN/EX
5.500
5.512 (0.2165 0.2170) I 5.53 (O.21S}
r-----st~m-to-guide
clearance-
IN
0.010
0.037 (0.0004 0.0015)
I
0.12 (0.005)
EX
0.030 0.057 (0.0012
0.0022) 0.14 (0.006)
Valve guide projection
IN
14,8 -15.2 (0.58 - 0.60)
above cylinder head EX
17.3- 17.7 (0.68 - O.70l
Valve seat width
INIEX
1.0 1.1 (0.039 0.0431 1.410.061
Valve spring
Free length
Inner
37.20 (1.465)
, 36.3 (1.431
Outer 44.20 (1.740)
, 43.1 (1.70)
Rocker arm
Arm W. IN/EX
12.000 -12.018 (0.4724 - 0.4731l
12,05 (O.474)
Shaft
0.0.
IN/EX 11.964 11.984 (0.4710 - 0.4718) 11.92(0.469)
Arm-to-shaft clearance
IN/EX , 0.016 0.054 (0.0006 - 0.0021)
0.08 (0.0031
Camshaft and
Cam lobe height
IN
,
35.015 - 35.175 (1.3785-1.38481
34.840 (1.3717)
,
cam follower EX
i 35.394 35.554 (1.3935
1.399B)
35.144 (1.3824)
Cam follower O.D.
IN/EX 22.467 - 22.482 (0.8845
0,8851l 22.46 (0.884)
Follower bore I.D.
IN/EX 22.510 22.526 (0,8862
0.8868)
22.54 (0.887)
Follower-to-bore clear-
IN/EX 0.028 0.059 (0.0011 - 0.0023)
0.07 (0.003)
ance
Cylinder head warpage
-
0.05 (0.002)
CYLINDER/PISTON SPECIFICATIONS
Unlt: mm (in)
ITEM
STANDARD
SERVICE LIMIT
Cylinder
1.0. 102.000 102.015 (4,0157 - 4.0163)
102.05 (4.018)
Out-of-round 0.05 (0.002\
Taper 0,05 (0.002\
~;rpage
0.0510.0021
Piston, Piston 0.0. at 20 10.8) from bottom 101.960 101.990 (4.0142
4.0153) 101.90 (4.012)
piston pin,
Piston pin hole 1.0. 23.002 - 23.00B (0.9056 - 0.9058) 23.0310.907)
piston ring
Piston pin 0.0.
22.994 - 23.000 (0.9053
0.9055) 22.98 (O.905)
Piston-to-piston pin clearance
0.002
0.014 (0.0001 - 0.0006)
0.04100021
Piston ring end
Top
0.25 0.35 (0.010
0.014)
0~5
(6.oif -
gap
Second 0.40 0.55 (0.016
0.022) 0.7 (0.03}
Oil (side
rail)
0.20 0.70 (0.008 0.02Bl 0.9 (0.04)
Piston ring-to-ring
Top
0.045 O.OBO 10.0018 0.0031 ) 0.095 (0.00371
groove clearance
Second
0.025 0.060 {0.0010 - 0.00241
0.075 (0.00301
Cylinder-to-piston clearance 0.010 0.055 (0.0004 - 0.0022) 0.19 (0.007)
Connecting rod small end 1.0.
I
23.030 23.050 (0.9067 - 0.9075)
23.06 (0.90B)
Connecting rod-to-piston pin clearance
0.030 - 0.056'(0.0012 - 0.0022) 0,08 [0.003)
ALTERNATOR/STARTER CLUTCH SPECIFICATIONS
_.,
_~TEM
Starter driven gear boss
0.0.
Torque limiter slip torque
STANDARD
51.705 - 51.718
(2.0356 - 2.0361)
53
84 Nm (5.4
8.6 kqf.rn,
39-62IbHt)
Unit: mm (inl
SERVICE LIMIT
51.61 (2.032l
1-8