Maintenance Standards - Honda BF135A Manual

6. MAINTENANCE STANDARDS

• ENGINE
Parts
Engine Idle speed (in neutral)
Trolling speed
Cylinder compression
[kPa (kgf/cm
Compression gap between cylinders
[kPa (kgf/cm
Spark plugs Gap
Valves Valve clearance
Overall length
Valve O.D.
Stem O.D.
Stem-to-guide clearance
Valve seats Seat width
Seat installation height
Valve guides Guide I.D.
Guide extrusion amount
Valve springs Free length
Rocker arms Rocker arm I.D.
Rocker arm shaft O.D.
Rocker arm-to-rocker arm
shaft clearance
Pistons Skirt O.D.
Piston-to-cylinder clearance
Piston pin bore I.D.
2-3
Item
2 , psi) at 200 min –1 (rpm)]
2 , psi)]
IN/EX
IN/EX
IN/EX
IN/EX
Standard
750 ± 50 min
650 ± 50 min
1,532 – 1,728
(15.6 – 17.6, 222 – 250)
1.0 – 1.1 (0.039 – 0.043)
IN 0.21 – 0.25 (0.008 – 0.010)
EX 0.28 – 0.32 (0.011 – 0.013)
IN 108.7 – 109.5 (4.28 – 4.31)
EX 108.3 – 109.1 (4.26 – 4.30)
IN 34.85 – 35.15 (1.372 – 1.384)
EX 29.85 – 30.15 (1.175 – 1.187)
IN 5.475 – 5.485 (0.2156 – 0.2159)
EX 5.450 – 5.460 (0.2146 – 0.2150)
IN 0.030 – 0.055 (0.0012 – 0.0022)
EX 0.055 – 0.080 (0.0022 – 0.0031)
1.25 – 1.55 (0.049 – 0.061)
44.0 – 44.6 (1.73 – 1.76)
5.51 – 5.53 (0.217 – 0.218)
IN 15.2 – 16.2 (0.60 – 0.64)
EX 15.5 – 16.5 (0.61 – 0.65)
IN 49.64 (1.954)
EX 49.64 (1.954)
IN 17.019 – 17.035 (0.6700 – 0.6707)
EX 17.012 – 17.039 (0.6698 – 0.6708)
16.983 – 16.994 (0.6686 – 0.6690)
IN 0.025 – 0.052 (0.0010 – 0.0020)
EX 0.018 – 0.056 (0.0007 – 0.0022)
A 86.98 – 86.99 (3.4244 – 3.4248)
B 86.97 – 86.98 (3.4240 – 3.4244)
0.02 – 0.04 (0.001 – 0.002)
21.960 – 21.963 (0.8646 – 0.8647)
Service limit
–1 (rpm)
–1 (rpm)
– 200 (2.0, 28)
1.3 (0.051)
5.445 (0.2144)
5.420 (0.2134)
0.08 (0.003)
0.11 (0.004)
5.55 (0.219)
0.08 (0.003)
0.08 (0.003)
86.93 (3.4224)
86.92 (3.4220)
0.05 (0.002)
Unit: mm (in)
–
–
930
(9.5, 135)
–
–
–
–
–
–
2.0 (0.08)
–
–
–
–
–
–
–
–
–