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171 engine shaft length
I can't seem to get a fix on what the ideal outboard shaft length is for a 171. Is it 20 or 25?
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ALL Champion bass boats use a 20" shaft.
Pat Goff
Two degrees from center
of nowhere.
Smithwick TX.
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I have a 171SC and it takes a 20in shaft as stated above.
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Thanks guys. I'm a bit confused I guess (nothing new there). My engine, which I intend to replace, us a Merc 125 ELPTO. My understanding is that it is a 20" shaft length. Is that correct? When I measure it I get something nearer to 25" but certainly more than 20". Also, if I were to change to a 115 Opti or a 115 four stroke what sort of hole shot sacrifice should I expect over the terribly idling 125 HP I have.
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The “L” is shaft length. 20”
XL is 25”
XXL is 30”
So reading merc model code
E: Electric start
L: shaft length
P: power trim
T: two stroke
O: oil injected.
Pat Goff
Two degrees from center
of nowhere.
Smithwick TX.