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1960 10 hp Johnson vs 1960 18 hp Johnson

M

majkmann

Contributing Member
Anyone care to elaborate on th

Anyone care to elaborate on the physical differences between these two motors under the hood? Are the powerheads both 22 cid? What's interchangeable?
 
"Would have to compare parts b

"Would have to compare parts breakdowns. I would guess carb, pistons, maybe crank and rods different. If I remember correct the actual size is different. With one being 10hp and the other being 18hp, I don't think both powerheads are 22cid. I am sure someone with more knowledge than me will come along and chime in."
 
Guess I answered my own questi

Guess I answered my own question.

QD-21 10hp
Bore Stroke - Inches: 2.38x1.88
Engine size Cubic Inches: 16.6

FD-14 18hp
Bore Stroke - Inches: 2.5x2.25
Engine size Cubic Inches: 22
 
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