Logo

1973 Evinrude needs HELP.

jimmy77

New member
I have a "73 Evinrude 9.5hp. It has sat in storage for quite a few years after the father-in-law passed.
Well I got it out on Sat. dropped it in the tank and started to pull. Dead in the water. After playing with the spark plugs and some Gum Out, then one coil and then two condensers. It happened, one short pull and it came to life.

Now what to do......

Observations..... when running in tank, water was dripping out from starboard side below lower cowling. I did install clear gas line from pump to carb and saw that the pump was working well as the line was full after a few minutes. The water pump was sending a good amount of water out the water tube. After removing motor from tank, I dropped the lower unit plugs and drained the oil; it seemed less than full and was a caramel milky color with water drops on top of the oil. My observation of the prop shows it to be loose on the shaft with most of the slop toward the hub. I am going to pull the prop and do an inspection tomorrow.

Any suggestions to the following questions would be appreciated: 1) can water leak from pump into lower unit 2) if plugs are sealed with plastic washer, where else can water come from....prop seal? 3) any comments on the water dripping from the cowling?
 
Possible gearcase leakage areas..... Propshaft seal, O Ring that surrounds propshaft seal housing, Shift rod O Ring, Driveshaft seal under water pump.

The carburetor may be fouled in various areas.... one most likely are is the high speed jet that lays horizontally way in back of the float chamber drain screw.
 
I did run the motor in drive for a few seconds at higher RPM's, it idled very nice and when sped up it sounded smooth. At what point does the high speed jet and needle kick in?? Is there kit still available for the water pump? I downloaded a manual for just the 9.5 and will do some reading tonite. I will start looking for part #'s.
The prop look like plastic 3 blade, is that possible?
Somewhere I read that this is a salt water motor??? T/F
9322B What does the B stand for blue paint??
 
I did run the motor in drive for a few seconds at higher RPM's, it idled very nice and when sped up it sounded smooth. At what point does the high speed jet and needle kick in?? Is there kit still available for the water pump? I downloaded a manual for just the 9.5 and will do some reading tonite. I will start looking for part #'s.
The prop look like plastic 3 blade, is that possible?
Somewhere I read that this is a salt water motor??? T/F
9322B What does the B stand for blue paint??

1. Actually, all the fuel flows through the high speed jet. It is further metered at idle speeds by the slow speed circuit in the carburetor, which includes the idle mixture adjustment needle.

2. Yes, get your parts right here at marineengine.

3. Yes, that would be the origional prop. A lot tougher than you would think.

4. Evinrude did not build special salt water motors during that time era. ALL Evinrude motors were suitable for salt water use as available technology allowed.

5. The "B" identifies any mid-year engineering changes that applied--IF there were any changes. Otherwise it means nothing.

Previous question. Yes water will run out of the bottom of the outer cowling shells, toward the front. It is coming from large, intentional drain holes. And the prop will have a bit of looseness on the shaft. Just so it isn't unreasonable.

You didn't ask, but don't expect that motor to run well in a barrel. Especially with the hood on.
 
Jimmy77 here again. After 1 new coil and 1 new condenser she runs like a honey. But now for the next problem, water in the gear case. I was able to take the lower unit off. The impeller was in pretty fair shape. I have the new one anyway. Question here is how do i seal water from running down shaft if seal is not available? I see the rubber o-ring and bushing for the shifter rod are available, and the o-ring for the gear shaft. I have not broke open the gear box as I need this to run in late Aug. I can drain and refill as needed for the 3 weeks on the Mississippi.
 
OK Guys, Now I have to report that the supplies arrived today and have been installed. In water pump there area there is a new impeller housing seal, impeller,impeller plate, and impeller gasket, and a water tube grommet. The drive shaft has new upper o-ring. I also replaced the gear case drain and breather gaskets.

So if I have any water in the lower gear case after this next 3 week trip on the Mississippi River, I have on hand the gear shift rod bushing and o-ring. Ad when I crack the case I have the o-ring and the oil retainer seal.


But now for the current problem. After reassembly I find that I have only neutral and reverse, so I know something went wrong with the shift rod and the shift lever......Before I drop it f a look see I am looking for you old salts to head me in the right direction.

THANKS again... JIMMY77
 
Did you center the groove on the shift shaft with the bolt hole then install the bolt and tighten it tight. Both the upper and lower shift shafts.



When I lifted the lower unit into place is when I saw the shaft had dropped down. I didn't split the gear box this time, only the lower unit to get at the things I listed. If there is no water in the oil when I check in Sept. I will just refill and call it GOOD!!!!!!!

JIMMY77
 
OK Guys, Now I have to report that the supplies arrived today and have been installed. In water pump there area there is a new impeller housing seal, impeller,impeller plate, and impeller gasket, and a water tube grommet. The drive shaft has new upper o-ring. I also replaced the gear case drain and breather gaskets.

So if I have any water in the lower gear case after this next 3 week trip on the Mississippi River, I have on hand the gear shift rod bushing and o-ring. Ad when I crack the case I have the o-ring and the oil retainer seal.


But now for the current problem. After reassembly I find that I have only neutral and reverse, so I know something went wrong with the shift rod and the shift lever......Before I drop it f a look see I am looking for you old salts to head me in the right direction.

THANKS again... JIMMY77

Won't go into forward gear? Have you tried rotating the prop as you shift?
 
Won't go into forward gear? Have you tried rotating the prop as you shift?


Dropped it, and I observed that the shaft from the lower unit was not seated so that the bolt sat in the groove for it. Played around with it.... In the tank RUNNIN LIKE A HONEY....forward-neutral-reverse.... Thanks for all the suggestions!!!!

JIMMY77
 
Back
Top