Honda BF15D - Page 12

BF15D.BF20D
ENGINE (continued)
Item
Skirt O.D.
Part
Standard Service limit
58.970 - 58.990 mm (2.3216 - 2.3224 in)
58.92 mm (2.320 in)
Pistons
End gap
Piston pins
Oil
TOP
Second
0.055 - 0.140 mm (0.0022 - 0.0055 in)
0.15 - 0.30 mm (0.006 - 0.012 in)
0.35 - 0.50 mm (0.014 - 0.020 in)
0.20 mm (0.008 in)
0.50 mm (0.020 in)
0.70 mm (0.028 in)
Piston rings
Big end
I.D.
Big end oil clearance
Big end side clearance
Main journal
O.D.
Crank pin O.D.
Main iournal oil clearance
Connecting rods
-
32.020 - 32.033 mm (1.2606 - 1.261 1 in)
32.06 mm (1.262 in)
0.020 - 0.044 mm (0.0008 - 0.001 7 in) 0.06 mm (0.002 in)
0.1 - 0.4 mm (0.004 - 0.01 6 in) 0.5 mm (0.02 in)
35.979 - 35.990 mm (1.41 65 - 1.41 69 in) I 35.96 mm (1.41 6 in)
31.989 - 32.000 mm (1.2594 - 1.2598 in)
31.96 mm (1.258 in)
0.01 8 - 0.042 mm (0.0007 - 0.001 7 in) 0.06 mm (0.002 in)
Crankshaft
Main jet
Carburetor
BF15D Except Bodensee type: #lo2 -
BF2OD Except Bodensee type: #125 -
Bodensee type: #lo2
Bodensee type: #115
Pilot screw opening
Float height
Piston-to-cylinder clearance
1
0.01 0 - 0.045 mm (0.0004 - 0.0015 in)- 0 mm (0.004 in)
See pages
6-9 and 10.
-
13.7 mm (0.54 in) -
Piston pin bore I.D.
1 16.002 - 16.008 mm (0.6300 - 0.6302 in) 1 16.02 mm (0.638 in)
Piston pin
O.D.
1
15.994 - 16.000 mm (0.6297 - 0.6299 in) I 15.97 mm (0.629 in)
Piston-to-piston pin clearance
1 0.002 - 0.01 4 mm (0.0001 - 0.0006 in) I 0.04 mm (0.002 in)
Side clearance
I Top/second I 0.025 -0.055 mm (0.0010 -0.0022 in) I 0.10 mm (0.004 in)
I Oil 1 0.20 - 0.80 mm (0.008 - 0.031 in) 1 1 .O mm (0.04 in)
Thickness
1 Top/second 1 1.1 75 - 1.1 90 mm (0.0463 -0.0469 in) 1 1.08 mm (0.043 in)
1 Oil (side rail) 1
2.380 - 2.450 mm (0.0937 - 0.0965 in)
1 2.28 mm (0.090 in)
Small end I.D.
1 16.007 - 16.022 mm (0.6302 - 0.6308 in) 1 16.05 mm (0.632 in)
Side clearance
1 0.1 - 0.4 mm (0.004 - 0.016 in) 1 0.55 mm (0.022 in)
294