Maintenance Standards - Honda BF2D Series Manual

:HON"DA.
BF2D
5. MAINTENANCE STANDARDS
ENGINE
Part
Item Standard
Service limit
Engine Idle speed
2,000 ± 100 min-
1
(rpm)
- -
Full throttle range
5,000 - 6,000 min- 1 (rpm)
- -
Cylinder compression 0.88 MPa (9.0 kgf/cm2 128 psi)/
- -
1,000 min-
1
(rpm)
Cylinder Sleeve 1.0.
45.000 - 45.015 mm (1.7717 - 1.7722 in)
45.100 mm (1.7756 in)
Piston Skirt 0.0.
44.97 - 44.99 mm (1.770 -1.771 in)
44.90 mm (1.768 in)
Piston~to-cylinder
clearance
0.010 - 0.045 mm (0.0004 - 0.00187 in)
0.120 mm (0.0047 in)
Pin bore 1.0.
10.002 - 10.008 mm (0.3938 - 0.3940 in) 10.050 mm (0.3957 in)
Piston pin 0.0.
9.994 - 10.000 mm (0.3935 - 0.3937 in) 9.950 mm (0.3917 in)
Pin-to-piston clearance
0.002 - 0.014 mm (0.0001 - 0.0006 in) 0.100 mm (0.0039 in)
Piston ring Ring width Top/second 0.97 - 0.99 mm (0.038 - 0.039 in)
0.920 mm (0.0362 in)
Ring side clearance Top/second 0.015 - 0.050 mm (0.0006 - 0.0020 in) 0.120 mm (0.0047 in)
Ring end gap Top 0.100 - 0.250 mm (0.0039 - 0.0098 in) 0.600 mm (0.0236 in)
Second 0.250 - 0.400 mm (0.0098 - 0.0157 in) 0.600 mm (0.0236 in)
Connecting rod Small end 1.0.
10.006 - 10.017 mm (0.3939 - 0.3944 in) 10.050 mm (0.3957 in)
Big end 1.0.
15.000 - 15.011 mm (0.5906 - 0.5910 in) 15.040 mm (0.5921 in)
Big end oil clearance 0.016 - 0.038 mm (0.0006 - 0.0015 in)
0.100 mm (0.0039 in)
Big end side clearance
0.1 - 0.6 mm (0.004 - 0.024 in) 0.8 mm (0.031 in)
Crankshaft Crank pin 0.0.
14.973 -14.984 mm (0.5895 - 0.5899 in) 14.940 mm (0.5882 in)
Valves Valve clearance IN
0.08 ± 0.02 mm (0.0031 ± 0.0008 in)
- -
EX
0.11 ± 0.02 mm (0.0043
±
0.0008 in)
- -
Stem 0.0. IN 3.970 - 3.985 mm (0.1563 - 0.1569 in)
3.900 mm (0.1535 in)
EX 3.935 - 3.950 mm (0.1549 - 0.1555 in) 3.880 mm (0.1528 in)
Guide 1.0.
. IN/EX
4.000 - 4.018 mm (0.1575 - 0.1582 in) 4.060 mm (0.1598 in)
Stem-to-guide
IN 0.015 - 0.048 mm (0.0006 - 0.0019 in) 0.098 mm (0.0039 in)
clearance
EX 0.050 - 0.083 mm (0.0020 - 0.0033 in) 0.120 mm (0.0047 in)
Valve spring Free length IN/EX 23.7 mm (0.93 in) 22.8 mm (0.90 in)
Camshaft Cam height 27.972 mm (1.1013 in) 27.672 mm (1.0894 in)
1.0. (Bearing) 5.020 - 5.050 mm (0.1976 - 0.1988 in) 5.100 mm (0.2008 in)
Camshaft roller 0.0. 4.990 - 5.000 mm (0.1965 - 0.1969 in) 4.950 mm (0.1949 in)
Valve lifter 1.0. (Bearing)
5.005 - 5.025 mm (0.1970 - 0.1978 in) 5.050 mm (0.1988 in)
Valve lifter roller 0.0. 4.990 - 5.000 mm (0.1965 - 0.1969 in) 4.950 mm (0.1949 in)
Crankcase cover Camshaft Bearing 1.0. 5.005 - 5.023 mm (0.1970 - 0.1978 in) 5.050 mm (0.1988 in)
Valve lifter roller Bearing 1.0. 5.005 - 5.023 mm (0.1970 - 0.1978 in) 5.050 mm (0.1988 in)
Cylinder block Camshaft roller Bearing 1.0. 5.005 - 5.023 mm (0.1970 - 0.1978 in) 5.050 mm (0.1988 in)
Valve lifter roller Bearing 1.0. 5.005 - 5.023 mm (0.1970 - 0.1978 in) 5.050 mm (0.1988 in)
Rocker arm roller Bearing 1.0. 4.000 - 4.018 mm (0.1575 - 0.1582 in) 4.050 mm (0.1594 in)
Rocker arm 1.0. (Bearing) 4.005 - 4.025 mm (0.1577 - 0.1585 in) 4.050 mm (0.1594 in)
Rocker arm roller 0.0. 3.990 - 4.000 mm (0.1571 - 0.1575 in) 3.950 mm (0.1555 in)
Clutch Lining thickness
2.0 mm (0.08 in) 1.0 mm (0.04 in)
Clutch outer 1.0. 78.00 - 78.25 mm (3.071 - 3.081 in)
78.5 mm (30.09 in)
2-3
Page: 7 - Honda BF2D Outboard Motors Shop Manual - http://www.ReadManuals.Com