Honda EU3000i Handi, Manual

Page: 15 / 194

SERVICE INFORMATION
2-2
SERVICE INFORMATION
MAINTENANCE STANDARDS
ENGINE
Unit: mm (in)
Part Item Standard Service limit
Engine Engine speed Eco–Throttle OFF 3,600 ± 100 min
-1
(rpm) –
Cylinder compression 0.42 MPa
(4.3 kgf/cm
2
, 61 psi) at 600 min
-1
(rpm)
–
Cylinder Sleeve I.D. 68.000 – 68.015 (2.6772 – 2.6778) 68.165 (2.6837)
Cylinder head Warpage – 0.10 (0.004)
Piston Skirt O.D. 67.965 – 67.985 (2.6758 – 2.6766) 67.845 (2.6710)
Piston-to-cylinder clearance 0.015 – 0.050 (0.0006 – 0.0020) 0.12 (0.005)
Piston pin bore I.D. 18.002 – 18.008 (0.7087 – 0.7090) 18.048 (0.7106)
Piston pin Pin O.D. 17.994 – 18.000 (0.7084 – 0.7087) 17.954 (0.7068)
Piston pin-to-piston pin bore clearance 0.002 – 0.014 (0.0001 – 0.0006) 0.06 (0.002)
Piston rings Ring side
clearance Top 0.035 – 0.070 (0.0014 – 0.0028) 0.15 (0.006)
Second 0.045 – 0.080 (0.0018 – 0.0032) 0.15 (0.006)
Ring end gap Top 0.200 – 0.350 (0.0079 – 0.0138) 1.0 (0.04)
Second 0.350 – 0.500 (0.0138 – 0.0197) 1.0 (0.04)
Oil (side rail) 0.20 – 0.70 (0.008 – 0.028) 1.0 (0.04)
Ring width Top 0.95 – 0.97 (0.037 – 0.038) 0.93 (0.037)
Second 0.94 – 0.96 (0.037 – 0.038) 0.92 (0.036)
Connecting rod Small end I.D. 18.005 – 18.020 (0.7089 – 0.7094) 18.07 (0.711)
Big end I.D. 30.020 – 30.033 (1.1819 – 1.1824) 30.066 (1.1837)
Big end oil clearance 0.040 – 0.063 (0.0016 – 0.0025) 0.12 (0.005)
Big end side clearance 0.1 – 0.4 (0.004 – 0.016) 1.1 (0.043)
Crankshaft Crank pin O.D. 29.970 – 29.980 (1.1799 – 1.1803) 29.920 (1.1780)
Valves Valve clear-
ance IN 0.15 ± 0.02 –
EX 0.20 ± 0.02 –
Valve stem
O.D. IN 5.468 – 5.480 (0.2153 – 0.2157) 5.318 (0.2094)
EX 5.425 – 5.440 (0.2136 – 0.2142) 5.275 (0.2077)
Guide-to-stem
clearance IN 0.020 – 0.044 (0.0008 – 0.0017) 0.10 (0.004)
EX 0.060 – 0.087 (0.0024 – 0.0034) 0.12 (0.005)
Valve guide
I.D. IN/EX 5.500 – 5.512 (0.2165 – 0.2170) 5.572 (0.2194)
Valve seat width 0.7 – 0.9 (0.03 – 0.04) 2.0 (0.08)
Valve spring free length 30.5 (1.20) 29.0 (1.14)
Valve spring perpendicularity – 1.5°
Camshaft Camshaft O.D. 13.966 – 13.984 (0.5498 – 0.5506) 13.916 (0.5479)
Cam height IN 27.600 – 27.800 (1.0866 – 1.0945) 27.45 (1.081)
EX 27.647 – 27.847 (1.0885 – 1.0963) 27.50 (1.083)
Cylinder barrel Camshaft holder I.D. 14.000 – 14.018 (0.5512 – 0.5519) 14.048 (0.5531)
Crankcase cover Camshaft holder I.D. 14.000 – 14.018 (0.5512 – 0.5519) 14.048 (0.5531)
Spark plug Gap 0.7 – 0.8 (0.028 – 0.031) –
Spark plug cap Resistance – –
Ignition Coil Resistance Primary side 0.684 – 0.836
Ω
–
Secondary side – –
Ignition pulse
generator Air gap (at rotor) 0.3 – 0.7 (0.01 – 0.03) –
Resistance (20°C /68°F) 294 – 359
Ω
–
Carburetor Main jet # 78 –
Float height 13.7 (0.54) –
Pilot screw opening 1 – 1/4 turns out –