Honda EU10iT1, Manual

Page: 17 / 138

2-2
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SERVICE INFORMATION
SERVICE INFORMATION
MAINTENANCE STANDARDS
ENGINE
Unit: mm (in)
Part Item Standard
Service
limit
Engine Engine speed
[Eco-Throttle OFF]
4,000 – 6,000 min -1 (rpm)
[5,500 – 6,000 min -1 (rpm)]
–
Cylinder compression 0.42 MPa (4.3 kgf/cm
2
, 61.2 psi)/
1,000 min
-1
(rpm)
–
Cylinder block Sleeve I.D.
41.800 – 41.815 (1.6457 – 1.6463)
41.900
(1.6496)
Camshaft roller journal I.D.
5.000 – 5.018 (0.1968 – 0.1976)
5.050
(0.1988)
Valve lifter roller journal I.D.
5.000 – 5.018 (0.1968 – 0.1976)
5.050
(0.1988)
Rocker arm roller journal I.D.
4.000 – 4.018 (0.1575 – 0.1582)
4.050
(0.1594)
Piston Skirt O.D. Except GW1
TYPE
41.770 – 41.790 (1.6445 – 1.6453)
41.700
(1.6417)
GW1 TYPE 41.746 – 41.790 (1.6435 – 1.6453) 41.700
(1.6417)
Piston-to-cylinder
clearance
Except GW1
TYPE
0.010 – 0.045 (0.0004 – 0.0018)
0.120
(0.0047)
GW1 TYPE 0.010 – 0.069 (0.0004 – 0.0027) 0.120
(0.0047)
Piston pin bore I.D.
10.002 – 10.018 (0.3938 – 0.3944)
10.050
(0.3957)
Piston pin Pin O.D.
9.994 – 10.000 (0.3935– 0.3937)
9.950
(0.3917)
Piston pin-to-piston pin bore clearance
0.002 – 0.024 (0.0001 – 0.0009)
0.100
(0.0039)
Piston rings Ring side
clearance
Top
0.015 – 0.050 (0.0006 – 0.0020)
0.12
(0.005)
Second
0.015 – 0.050 (0.0006 – 0.0020)
0.12
(0.005)
Ring end gap Top
0.150 – 0.300 (0.0059 – 0.0118)
0.600
(0.0236)
Second
0.150 – 0.300 (0.0059 – 0.0118)
0.600
(0.0236)
Oil
(side rail)
0.20 – 0.70 (0.008 – 0.028) 1.0 (0.04)
Ring width Top
0.77 – 0.79 (0.030 – 0.031)
0.72
(0.028)
Second
0.97 – 0.99 (0.038 – 0.039)
0.92
(0.036)
Connecting rod Small end I.D.
10.006 – 10.017 (0.3939 – 0.3944)
10.050
(0.3957)
Big end I.D.
15.000 – 15.011 (0.5906 – 0.5910)
15.040
(0.5921)
Big end oil clearance
0.016 – 0.038 (0.0006 – 0.0015)
0.100
(0.0039)
Big end side clearance 0.1 – 0.6 (0.004 – 0.024) 0.8 (0.031)
Crankshaft Crankpin O.D.
14.973 – 14.984 (0.5895 – 0.5899)
14.940
(0.5882)
Valves Valve clearance IN 0.06 – 0.10 (0.002 – 0.004) –
EX 0.09 – 0.13 (0.004 – 0.005) –
Valve stem O.D. IN
3.970 – 3.985 (0.1563 – 0.1569)
3.900
(0.1535)
EX
3.935 – 3.950 (0.1549 – 0.1555)
3.880
(0.1528)
Guide-to-stem
clearance
IN
0.015 – 0.048 (0.0006 – 0.0019)
0.098
(0.0039)
EX
0.050 – 0.083 (0.0020 – 0.0033)
0.12
(0.005)