Honda HRG416C1 Manual page 13

SERVICE INFORMATION
MAINTENANCE STANDARDS
SERVICE INFORMATION
Part
Engine Maximum speed
(with blade)
Cylinder compression
Carburetor Main jet
Float level height
Pilot screw opening
Thermo-wax Begin to open
Needle lift
Valves Valve clearance
Valve stem O.D.
Valve guide I.D.
Guide-to-stem
clearance
Seat width
Valve spring free
length
Valve spring
perpendicularity
Camshaft Cam lobe height
Camshaft I.D.
Rocker arm Rocker arm I.D.
Rocker arm shaft O.D.
Rocker arm shaft bearing I.D.
Cylinder Sleeve I.D.
Piston Skirt O.D.
Piston-to-cylinder clearance
Piston pin bore I.D.
Piston pin Pin O.D.
Piston pin-to-piston pin bore clearance
Piston rings Ring width
Ring side clearance
Ring end gap
Connecting rod Small end I.D.
Big end I.D.
Big end oil clearance
Big end axial clearance
Crankshaft Main journal O.D. (P.T.O. side)
Main journal O.D. (Flywheel side)
Crankpin O.D.
Runout
Crankshaft axial clearance
Crankcase Main journal I.D.
cover
Crankcase Main journal I.D.
Spark plug Gap
Ignition coil Resistance
Air gap (at flywheel)
Flywheel brake Brake shoe thickness
2-2
Item
HRG416C1 2,900
HRG466C1 2,800
0.45 MPa (4.6 kgf/cm
at 600 min
#65
10.2 mm (0.40 in)
1-7/8 turns out
49 – 57°C (120 – 135°F)
6.5 mm (0.26 in) min. at 70 °C (158 °F)
IN/EX 0.10 ± 0.02 (0.004 ± 0.001)
IN/EX 5.465 – 5.480 (0.2152 – 0.2157)
IN 5.500 – 5.512 (0.2165 – 0.2170)
EX 5.540 – 5.552 (0.2181 – 0.2186)
IN 0.020 – 0.047 (0.0008 – 0.0019)
EX 0.060 – 0.087 (0.0024 – 0.0034)
IN/EX 0.7 – 0.9 (0.03 – 0.04)
IN/EX 30.5 (1.20)
IN/EX
33.779 – 34.179 (1.3299 – 1.3456)
Both ends 10.09 – 10.18 (0.397 – 0.401)
Center 10.14 – 10.18 (0.399 – 0.401)
6.000 – 6.030 (0.2362 – 0.2374)
5.960 – 5.990 (0.2346 – 0.2358)
6.000 – 6.018 (0.2362 – 0.2369)
56.000 – 56.015 (2.2047 – 2.2053)
55.970 – 55.990 (2.2035 – 2.2043)
0.010 – 0.045 (0.0004 – 0.0018)
13.002 – 13.016 (0.5119 – 0.5124)
12.994 – 13.000 (0.5116 – 0.5118)
0.002 – 0.022 (0.0001 – 0.0009)
Top 0.935 – 0.950 (0.0368 – 0.0374)
Second 0.975 – 0.990 (0.0384 – 0.0390)
Top 0.055 – 0.089 (0.0022 – 0.0035)
Second 0.015 – 0.049 (0.0006 – 0.0019)
Top 0.20 – 0.30 (0.008 – 0.012)
Second 0.30 – 0.40 (0.012 – 0.016)
Oil (side rail) 0.20 – 0.45 (0.008 – 0.018)
13.005 – 13.020 (0.5120 – 0.5126)
28.020 – 28.033 (1.1031 – 1.1037)
0.040 – 0.063 (0.0016 – 0.0025)
0.10 – 0.50 (0.004 – 0.020)
27.980 – 27.993 (1.1016 – 1.1021)
25.380 – 25.393 (0.9992 – 0.9997)
27.970 – 27.980 (1.1012 – 1.1016)
0.15 – 0.70 (0.006 – 0.028)
25.420 – 25.441 (1.0008 – 1.0016)
28.020 – 28.041 (1.1031 – 1.1040)
0.70 – 0.80 (0.028 – 0.031)
Primary coil 0.43 – 0.52 Ω
Secondary coil 8.32 – 12.4 kΩ
0.30 – 0.50 (0.012 – 0.020)
See page 3-5
Standard
0
-1
min (rpm)
- 100
0
min -1 (rpm)
- 100
2
, 65 psi)
-1 (rpm)
–
–
Unit: mm (in)
Service limit
–
–
–
–
–
–
–
–
–
5.318 (0.2094)
5.572 (0.2194)
5.612 (0.2209)
0.10 (0.004)
0.12 (0.005)
1.8 (0.07)
29.0 (1.14)
2 ° max.
33.754 (1.3289)
10.20 (0.402)
10.20 (0.402)
6.043 (0.2379)
5.953 (0.2344)
6.043 (0.2379)
56.165 (2.2112)
55.85 (2.199)
0.085 (0.0033)
13.048 (0.5137)
12.954 (0.5100)
0.070 (0.0028)
0.890 (0.0350)
0.930 (0.0366)
0.190 (0.0075)
0.15 (0.006)
1.0 (0.04)
1.0 (0.04)
1.0 (0.04)
13.07 (0.515)
28.066 (1.1050)
0.120 (0.0047)
0.80 (0.031)
27.933 (1.0997)
25.333 (0.9974)
27.920 (1.0992)
0.20 (0.008)
1.0 (0.04)
25.466 (1.0026)
28.066 (1.1050)
–
–
–
–
3.0 (0.12)