1957, 58 Johnson FD-11, and 12 -18 HP

tomhath

Master Chief Petty Officer
Joined
Dec 5, 2007
Messages
814
The bore on the 12hp is 2 1/4 inches, the 18hp is 2 1/2.
 

racerone

Supreme Mariner
Joined
Dec 28, 2013
Messages
38,881
Nope----I believe he is asking if FD-11 and FD-12 use the same pistons !!
 

tomhath

Master Chief Petty Officer
Joined
Dec 5, 2007
Messages
814
Ha ha, random comma threw me off.

According to the book I have the FD-11 to FD-22 all have a 2 1/2 inch bore and 2 1/4 inch stroke
 
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