1971 Johnson 100-transmission and water cooling problem

[bonito1]

I am looking to buy a used Johnson motor. I came across the following for sale with the following disclosure.

$150
1971 Johnson 100

Motor runs and shifts
stalls at idle
compression 120-120-120-120
transmission problem
cooling system: water does not curculate

What do you all think. Any thoughts on any of these details?

Is water not circulating indicative of a bad water pump? Is a lower unit expensive or difficult to rebuild? How's the compression sound?

Thanks!

 

[StudentNamedRobert]

Re: 1971 Johnson 100

Re: 1971 Johnson 100

DO it! Even if it needs work there's lots of shops and boat yards that will pay you a lot more for it then 150. It's a win win. Buy it cheap and sell it or buy it fix it ENJOY it!!!!!

 

[bonito1]

Re: 1971 Johnson 100-transmission and water cooling problem

Thanks! Anyone else have an opinion? I also could use a reccomendation on a Johnson mechanic in the Chicago area.

 

[tx1961whaler]

Re: 1971 Johnson 100-transmission and water cooling problem

Yeah, It has good compression.
Everything else may be broken.

You could be looking at quite a bit of cash to get it running reliably.

The distributor is 250 bucks
The stator is dealer direct
The amplifier/clipper is 225 bucks
and the list goes on......

If you could test it and confirm that there is good strong spark on all 4 cylinders, then it's a maybe......

 

[bonito1]

Re: 1971 Johnson 100-transmission and water cooling problem

Okay I was able to check the spark and it is good on all four cylinders.

I saw it run but it does stall at idle. Any suggestions, should I pull the trigger on this purchase? Would you?

 

[tx1961whaler]

Re: 1971 Johnson 100-transmission and water cooling problem

Noooo. It has a hydro-electric gearcase, and it is apparently broken.
I'd pass.....

 

[bonito1]

Re: 1971 Johnson 100-transmission and water cooling problem

How can I find out if it is the gearcase? I did a seach here for "hyrdo electric gearcase" but came up empty.

Any other thoughts?

 

[rayodunne]

Re: 1971 Johnson 100-transmission and water cooling problem

I see where you state "runs and shifts". I do not see any reference that the gearcase is not functioning. If this motor has spark and runs and shifts you have a running motor that may need an impeller, carb cleaning and link/sync done. Thats it! Grab it and run before they change their mind.

 

[tx1961whaler]

Re: 1971 Johnson 100-transmission and water cooling problem

I see where you state "runs and shifts". I do not see any reference that the gearcase is not functioning. If this motor has spark and runs and shifts you have a running motor that may need an impeller, carb cleaning and link/sync done. Thats it! Grab it and run before they change their mind.

I see "Transmission Problem" on a hydro electric and run away....what else would that mean ??

Motor runs and shifts
stalls at idle
compression 120-120-120-120
transmission problem
cooling system: water does not curculate

 

[rayodunne]

Re: 1971 Johnson 100-transmission and water cooling problem

OK after reading the original post again I see he contradicts himself. I own a 1970 60HP electric shift motor with no problems. I do however witness the scaremongering on this board about owning one and it is totally prejudice based on nothing but cost of parts and availability of parts which in a small percentage fail. If this motor starts and shifts fine how could it have transmission problems? This guy is obviously not researching this motor properly.
On a foot note after paying 150 for this motor one could part it out for probably 4 times that but that's just the business side of me showing.
Oh yeah forgot to mention I just bought a 1973 115HP Evinrude for $75 without laying eyes on it. Don't know where that's going but I know I will have more than $75 in my pocket at the end!

 

[ggrock]

Re: 1971 Johnson 100-transmission and water cooling problem

I have a 69E 115 Johnson FS in GA. if anyone is interested I will take 300.00 for it give me a call if you interested. 478-258-0656.
How can I get this motor to neutral to try in crank it.It is not on a boat can I jumper some of the wires at the control box. Thanks