Honda BF200A - Maintenance Standards; Engine Maintenance Standards

ENGINE
Trolling speed
Cylinder compression
At idle*'
Gap
Valve clearance
IN
EX
Unit: mm (in)
650 2 50 rpm
1,373 - 1,569 kPa (1 4 - 16 kgf/cm2,
199 - 228 psi) at 300 rpm
10 2 2"BTDC at 650 2 50 rpm
1.0 - 1.1 (0.039 - 0.043)
0.20
- 0.24
0.28
- 0.32
Ignition timing
Guide extrusion amount
Stem-to-guide clearance
Seat
width
I Spark plugs
IN
EX
21.20 - 22.20 (0.835 - 0.874)
20.63
- 21.63 (0.812 - 0.852)
IN 0.020 - 0.045 (0.0008 - 0.0018) 0.080 (0.0031)
EX 0.065 - 0.080 (0.0022 - 0.0031) 0.120 (0.0047)
IN/EX 1.25 - 1.55 (0.049 - 0.061) 2.0 (0.08)
Valves
Seat installation height
Rocker arms
IN 46.75 - 47.55 (1.841 - 1.872) 47.80 (1.882)
EX 46.68 - 47.48 (1.838 - 1.869) 47.73 (1.879)
Pistons
r
Spring free length
Rocker arm I.D.
Rocker arm shaft
O.D.
Rocker arm-to-rocker arm
shaft clearance
50.07 (1.97 1 ) -
IN
EX
53.48 (2.106)
IN
EX
IN
EX
20.012 - 20.030 (0.7879 - 0.7886)
18.012
- 18.030 (0.7091 - 0.7098)
19.972
- 19.993 (0.7863 - 0.7871)
17.976
- 17.994 (0.7077 - 0.7084)
IN 0.026 - 0.067 (0.0010 - 0.0026) 0.067 (0.0026)
EX 0.026 - 0.077 (0.0010 - 0.0030) 0.077 (0.0030)
Idle speed (in neutral) I 650 & 50 rpm I I
Pin bore I.D.
Pin O.D.
Pin-to-pin bore clearance
Ring groove
width TopISecond
Oil
21.960 - 21.963 (0.8645 - 0.8647)
21.961
- 21.965 (0.8646 - 0.8648)
-0.005
- + 0.002 (-0.0002 - + 0.0001)
1.220
- 1.230 (0.0480 - 0.0484)
2.805
- 2.825 (0.1 104 - 0.11 12)
1.25 (0.049)
2.85 (0.112)
Stem O.D. I IN I 5.485 - 5.495 (0.2159 - 0.2163) I 5.455 (0.2148) I
I EX I 5.450 - 5.460 (0.2146 - 0.2150) I 5.420 (0.2134) I
Guide I.D. I IN/EX I 5.515 - 5.530 (0.2171 - 0.2177) I 5.55 10.219) I
Skirt O.D. I 88.975 - 88.985 (3.5029 - 3.5033) I 88.965 (3.5026) I
Piston-to-cylinder clearance I 0.015 - 0.040 (0.0006 - 0.0016) I 0.080 (0.0031) I
*I: With the SCS short connector connected to the service check connector.
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