Just got a 1970 Evinrude 9.5.................

[gnarbrah]

So I just got home from picking up my model 9022C. I think this is a 1970?

I got it for $100 and I'm really hoping it was a good deal. It looks to be in fair shape, the guy said it runs good but doesn't pump any water. Obviously I havent tried to start it. I did turn it over and it feels like it has good compression. I plan on changing the impeller and then giving it a try. Are there any tricks I should know before I get stuck? And yes I am looking for a manual right after I post this!! I just know I'll be out there tonight pulling it apart and was wondering if there are any snags I might run into.

Also, what is the general concensus on these motors? Good - Bad - So So?

Also any thoughts on how to search for threads on this type of motor? It doesn't find anything when I put in "9.5"

Thanks

 

[eavega]

Re: Just got a 1970 Evinrude 9.5.................

Be sure to check the other things that can be checked without running; LU oil, spark, fishing line behind the prop, and if it were mine, I'd still try to get a compression tester and test compression.

Good luck

-Eric

 

[ezeke]

Re: Just got a 1970 Evinrude 9.5.................

The motor should not be run without water covering the water pump. That means that it will be almost to the skirt-like bottom of the midsection or higher. Give the water time to fill the pump before you start the engine.

When you are on the water in forward, the propeller forces water into the water intake screen just above the propeller, so the water pump gets an assist that cannot be provided when running in a bucket.

Since the condition is unknown, replacing the waterpump is needed. You should also check the thermostat, located at the top of the cylinder head under the cap with the three screws.

 

[mchin]

Re: Just got a 1970 Evinrude 9.5.................

One thing that I might add is be careful not to bend or yank on the water tube that goes up the leg of the motor, it's a pain if it breaks off. There is this little plate with 3 screws and a gasket that hold the tube in place. It's hard to access and is typically frozen in place. Other then that's it's easy, shift the motor in reverse, remove the 4 bolts holding the lower unit, wiggle is down, till you can see and access the shift linkage, unscrew the bottom bolt all the way out and gently pull the unit off. then unscrew the impeller housing and check for wear, replace parts if necessary and re-assemble in reverse. While you're down there, it'd be good to check the seals and replace if necessary. Getting it back together can be a 3 handed job, as you have to align the water tube, shaft and all back up, and getting the shaft back into the motor can be a pain. Sometimes it's helpful to have someone rotate the flywheel a little bit to align the splines. On my 9.5's, the water pumps well, but to me it still feels warmer then some of my other motors. And check the thermo as mentioned. There are a lot of how-to guides that show the process with pictures, like the abos small motor guides as well as the typical seloc and clymer.

good luck and have fun

 

[gnarbrah]

Re: Just got a 1970 Evinrude 9.5.................

Thanks for all the input - I will definitely keep everything in mind. I just recently redid the impeller, points and carb on my 1975 6 horse so I'm hoping this motor will go as smoothly as the 6 did. I ran to Harbour Freight and got a spark checker and compression gauge. The good news is both cylinders appear to have good spark. The other news (good or bad I have no idea) is the bottom cylinder showed about 65 psi and the upper was just under 60 psi on the compression gauge. Is this good, bad, typical?????

I was about to check the lower unit oil but the skeeters got way too bad and chased me back inside. I'll be doing that tomorrow and hoping for the best! I did however notice the propeller was held on by a nail instead of the more typical cotter pin. It seemed there was a good bit of play in and out - possibly more than there should be. How far should the prop slide in and out?

Thanks again for your help - I can't wait to get this thing started!

 

[lakelover]

Re: Just got a 1970 Evinrude 9.5.................

I had a 1969 9.5 that was still running after 36 years when I sold it. It was a great motor. The compression was pretty low (65) when I got rid of it because I was tired of going slow. But overall it was reliable and easy starting with only routine maintenance.

 

[gnarbrah]

Re: Just got a 1970 Evinrude 9.5.................

If it's at 60 -65 psi is that really low? I basically got it as an upgrade of HP to my 6 horse. Please tell me a 9.5 with 60-65 psi isn't equal to a strong running 6!!

 

[eavega]

Re: Just got a 1970 Evinrude 9.5.................

A couple of things come to mind...

1. I had a 1960 10 HP Johnson that measured about 65 on my compression gauge, and ran like a top. Even my current 20 HP outboard doesn't read much more than 80 on my gauge, and it runs strong and true.

2. Although 60-65 does sound low, its more important that the measurements are within 5-10 Lbs of each other. Measurements can vary greatly between different gauges but the difference in measurements from the same gauge is what really matters.

3. I believe you are supposed to have warmed up the engine before doing a compression test.

4. Once you get it running, go through a decarb. Rumor has it that it can help bring up the compression numbers.

-Eric

 

[gnarbrah]

Re: Just got a 1970 Evinrude 9.5.................

Gotcha - Hard to warm it up when it's not quite to running yet. I think I read that somewhere as well. I just figured since I got a new toy I'd try it out. That makes me feel better that at least they're close to each other as it sits.

Can't wait to get the parts and put some gas to this thing!

Also what exactly is a "decarb"? Is that just pulling it apart, cleaning and rebuilding? Just want to make sure I'm up with the proper lingo

 

[eavega]

Re: Just got a 1970 Evinrude 9.5.................

Decarb procedure (from the FAQs)

http://forums.iboats.com/showthread.php?t=158076

I know what you mean about getting it running. I did a relatively simple revival of that 10 HP motor (impeller, rebuild carbs and fuel pump, new spark plugs, and she was ready to go), and I couldn't wait to get it on the lake.

With my current 20 HP, the process had taken almost 3 months, and has been much more involved (coils, points, condensers, and spark plugs, new carburetor, new fuel pump, lower unit seals, and thermostat, plus random and sundry parts that had been replaced by whatever the previous owner had handy), but I just got it running good in the barrel. Sunday is the day I drop the boat in the lake and take it for a spin, and it can't get here soon enough!

-E

 

[bonz_d]

Re: Just got a 1970 Evinrude 9.5.................

I have a 1969 9.5hp Johnson that I have owned over 20 yrs.. It's a very nice motor, reliable as anyone could ever ask for. It was not run last year at all but this summer I picked up a nice used 14' Lund DLX, put it on just to check out the boat. Even with the old plugs and having been fogged before storage with fresh gas and about 8 pulls it started, coughed, smoked for about 5 minutes then ran like the champ it is.

After that 1st start of the year it always starts on the 1st pull when warm and almost every 1st or 2nd pull when cold. It will be very hard for me to ever part with this little engine.

BTW, it also pushed this rather heavy 14' boat extremely well for only being a 9.5hp!

Best o' luck with your new prize.

 

[mchin]

Re: Just got a 1970 Evinrude 9.5.................

I have a 69' 9.5, and with a hydro foil, stock prop, on a 13' Gheenoe, I was topping out at 11-12 mph. That's me and all my fishing stuff - about 200lbs - , speed off my garmin gps. The compression on this motor is about 60 lbs on each cylinder. Taken with a harbor freight tester - which by the way is ok, but are not nearly as accurate as some of the more pricey ones. I'd estimate the top speed to be about equal to what I was getting with a 79 johnson 6hp, and what I was also getting on a 1958 evinrude 7.5 hp.

Even with the seemingly low compression, this motor starts right up and run as right as rain.

To me the carb is the most fickle part of this motor.

Oh yeah, if you ever drop anything, like a small screw down into the engine compartment - well if you can't see it right away, ya just as well forget it. That lower cowl set-up is like a black hole.

 

[ezeke]

Re: Just got a 1970 Evinrude 9.5.................

"Also any thoughts on how to search for threads on this type of motor? It doesn't find anything when I put in "9.5"."

To search for the 9.5, enter "9.5HP" as one word, no spaces.

Also check: http://www.outboardrepairs.com/evinrude_outboards_by_horse_power/?evinrude

and: http://www.outboardrepairs.com/johnson_outboards_by_horse_power/?johnson

 

[mchin]

Re: Just got a 1970 Evinrude 9.5.................

I just took my Gheenoe out, which doesn't have a huge planing area and hit a little over 16 mpg, measured on my gps, with my 65 johnson 9.5 hp, with 65 lbs of compression. I would think with your compression being in that range, you would probably hit similar speeds. I know 16 isn't like breaking the sound barrier, but in a little boat it sure does feel fast.

have fun.