my 100hp Johson won't shift

R

rayg63

Recruit
Joined
Aug 25, 2010
Messages
1
It is in forward at all times. nutral reverse it doesn't matter it's allways in the forward gear. WHY?? Where do I start to look? This motor is an older modle maybe in the early to mid 60's.
 
oldcatamount

oldcatamount

Lieutenant Commander
Joined
Apr 4, 2010
Messages
1,740
Re: my 100hp Johson won't shift

The shift rod maybe disconnected. Has anyone had the lower unit off recently?
 
D

Daviet

Fleet Admiral
Joined
Sep 24, 2008
Messages
8,958
Re: my 100hp Johson won't shift

What is your model number?
Does it have an electric shift lower unit?
If it does have an electric shift lower unit, you most likely have a shift switch, wiring or lower unit problem.
 
F

F_R

Supreme Mariner
Joined
Jul 7, 2006
Messages
28,226
Re: my 100hp Johson won't shift

If it truly is from the early 1960's it must be an Electramatic shift. If that is true, you must have a wiring or switch problem, most likely a broken shift switch in the remote control. ---OR---if the lower unit is full of water and rust, the ball game is over.

However if it is newer than you think and from the 1970's, it would be a Hydro-Electric shift. Now we are getting a lot more complicated. There are volumes written here about those.

So, you see we need a positive ID in order to give you any more advice.
 
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