1967 18hp evinrude steering problem

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walleyeking69

Cadet
Joined
Sep 10, 2007
Messages
6
i just bought this motor used it runs great but the steering is really hard.when it is going across the lake you have to hold in to the tiller with everything u have to keep it going straight.It came with a four blade prop which im pretty sure isnt stock could that be the problem.any info would be graetly appreciated.THANKS
 
HighTrim

HighTrim

Supreme Mariner
Joined
Jun 21, 2007
Messages
10,486
Re: 1967 18hp evinrude steering problem

Does that motor have a trim tab?? If so, it may need to be adjusted. Turn it in small increments until you are straight.
 
F

F_R

Supreme Mariner
Joined
Jul 7, 2006
Messages
28,195
Re: 1967 18hp evinrude steering problem

So, it steers easy at a standstill, right? It might be that 4 blade. You don't really need a 4 blade do you? That is for houseboats and barges.

Try changing the motor tilt. Might make a difference.
 
W

walleyeking69

Cadet
Joined
Sep 10, 2007
Messages
6
Re: 1967 18hp evinrude steering problem

thats what i thought too.do u know what the stock size and pitch would be for a 3 blade prop .
 
samo_ott

samo_ott

Vice Admiral
Joined
Jun 18, 2006
Messages
5,125
Re: 1967 18hp evinrude steering problem

Model 18702, 18703 had a 3 blade prop,

regular: 9 x 10 1/2
optional: 9 x 10 or 9 x 9

btw, if the engine is hard to turn when off, there's a screw to adjust the 'auto-pilot' tension at the front underneath (at least it's on my '66 18hp)
 
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