Maintenance Standards - Honda BF40D Mode D'emploi

7. MAINTENANCE STANDARDS

1 • ENGINE
Parts
2
Engine Idle speed (in neutral)
3
Cylinder compression
[MPa (kgf/cm
4
Spark plugs Gap
Ignition coils Resistance
5
Valves Valve clearance
6
Stem O.D.
7
Stem-to-guide clearance
8
9 Valve seats Seat width
10
Valve guides Guide I.D.
Valve springs Free length
11
Rocker arms Rocker arm I.D.
12
Rocker shaft O.D.
Rocker arm-to-rocker shaft
13
clearance
Pistons Skirt O.D.
14
Piston-to-cylinder clearance
Piston pin bore I.D.
15
16
17
18
19
20
2-5
Item
2 , psi) at 500 min –1 (rpm)]
Primary coil
Secondary coil
IN
EX
IN
EX
IN
EX
IN
EX
IN/EX
IN
EX
42
Standard
850 50 min –1 (rpm)
1.37 - 1.67
(14.0 - 17.0, 199 - 242)
0.6 - 0.7 (0.039 - 0.043)
2.1 - 2.6
9 - 11 k
0.13 - 0.17 (0.005 - 0.007)
0.21 - 0.25 (0.008 - 0.010)
5.480 - 5.490 (0.2157 - 0.2161)
5.460 - 5.470 (0.2150 - 0.2154)
0.010 - 0.032 (0.0001 - 0.0013)
0.030 - 0.052 (0.0012 - 0.0020)
1.25 - 1.55 (0.049 - 0.061)
1.25 - 1.55 (0.049 - 0.061)
5.500 - 5.512 (0.2165 - 0.2170)
36.9 (1.45)
36.9 (1.45)
14.010 - 14.028 (0.5516 - 0.5523)
13.976 - 13.994 (0.5502 - 0.5509)
0.016 - 0.052 (0.0006 - 0.0020)
69.970 - 69.990 (2.7547 - 2.7555)
0.010 - 0.045 (0.0004 - 0.0018)
18.002 - 18.008 (0.7087 - 0.7090)
Unit: mm (in)
Service limit
-
-
-
-
-
-
-
5.45 (0.215)
5.42 (0.213)
0.06 (0.002)
0.10 (0.004)
2.0 (0.08)
2.0 (0.08)
5.53 (0.218)
35.4 (1.39)
35.4 (1.39)
14.05 (0.553)
13.95 (0.549)
0.07 (0.003)
69.91 (2.752)
0.09 (0.0035)
18.021 (0.7095)