Evinrude 4906B 4HP 1969 Owner's Manual page 400

A-4 APPENDIX
POWERHEAD
HP
YEAR
1.5
1968
1.5
1969
1.5
1970
3.0 1956-67
3.0 1968
4-.0
1969
4-.0
1970
1965-68
5.0
1956-64-
5.5
6.0 1965-70
7.5 1956-57
9.5 1968
9.5 1969-70
10 1956-63
15 1956
1957-64-
18
1965-68
18
18-20 1969-1970
20 1966-68
25 1969-70
1962-64-
28
30 1956
33 1965-70
1957-59
35
4-0
1960-61
4-0
1962-68
4-0
1969-70
BORE
STROKE
STD
1.56
1.37
1.56
1.37
1.37 1.56
1.37
1.56
1.37 1.56
1.56
1.37
1.37 1.56
1.94-
1.50
1.94-
1.50
1.94-
1.50
2.125
1.75
2.31
1.81
1.81 2.32
1.875
2.37
2.50 2.37
2.25 2.50
2.25 2.50
2.50
2.25
2.25 2.50
2.25 2.50
2.75 2.875
2.75 2.875
2.75 3.06
2.75 3.06
2.75 3.19
2.75 3.19
2.75
3.19
SPECIFICATIONS
BORE BORE
OVERSIZE OVERSIZE
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.020
0.000
0.020
0.020
N/A
N/A
0.04-0
0.025
0.04-0
0.020
0.04-0
0.020
0.04-0
0.020
0.04-0
0.020
0.04-0
0.020
0.04-0
0.020
0.04-0
0.020
0.04-0
0.020
0.025
N/A
0.025
N/A
0.025
N/A
PISTON TO CYL
CLEARANCE
MAX MIN
0.0025 0.0013
0.004-3
0.0055
0.004-3
0.0055
0.002
0.0013
0.0025 0.0013
0.004-9 0.0014-
0.008 0.0020
0.003 0.0018
0.0013
0.0025
0.003 0.0018
0.0030
0.0015
0.004-5
0.0030
0.0035
0.0050
0.0030
0.0035
0.0035 0.0030
0.004-0
0.0035
0.004-5 0.0030
0.004-7
0.0032
0.004-5
0.0030
0.004-5
0.0033
0.004-0
0.025
0.004-0
0.025
0.04-5 0.0030
0.004-0
0.0035
0.004-0
0.0035
0.004-5 0.0030
0.004-5 0.0030