Home › Forum › Ask A Member › 1959 Evinrude 5.5 HP Engine
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December 4, 2015 at 11:54 am #28024
Most of today’s dealer techs have had no experience with these older engines, instead of admitting that, they just condemn the engines saying they are too old and will cost too much to fix. And, with most labor rates over $100/hr, I guess they are right.
But, it sounds like this engine had decent servicing and might not need much to revive it again. Please don’t be afraid of the pressurized fuel tank, they are simple and easy to fix, but you must check your fuel tank to make sure it is not rusted/fouled inside.
The one thing to be careful about with this engine is proper fuel/oil mix. Don’t listen to any well meaning advice about today’s better oils will allow mixing at 50:1! This engine has plain connecting rod bushings that require plenty of lubrication, stick to the original oil mixing instructions.
These are very reliable engines that run much better than any of the expensive engines offered today.December 4, 2015 at 2:50 pm #28031Should you decide to keep it.
First and foremost – The engine must be run on a bare minimum of 24:1 mixture with a 20:1 mixture preferable.
The pressure tanks are pretty much bulletproof. They work amazingly good and are easy to maintain.
I am a Florida guy as well. There are several AOMCi folks in the Tampa area. I am up in Lake County but will be
happy to get the engine up and running for you should you want to take a drive. I think FrankR is closer to you.
As has been said – there is an antique outboard meet down in Lk. Placid on Saturday morning if that is the way you
want to go. Go here http://www.flaomci.com/ and then to the calendar of events.
December 4, 2015 at 11:02 pm #28056That motor has babbit/sleeve type bearings so it needs 16:1 fuel mix.
December 5, 2015 at 5:10 am #28075Well, I was able to spend about an hour with Pastor Jeff today looking at his motor. The motor has a lot going for it, but it has some issues as well. Ideally, Pastor Jeff would like to get this up and running and is happy enough to pay someone to do it for him. He’s got some car resto experience, but none with boat motors. So, if anyone wants to talk to him about this he can be reached at revjeffrudolph@me.com.
OK, with that said, on to the good news. We got spark in both plugs. The coils have been replaced at some point in the past, so they don’t have the usual original "cracked" ones. Here are pictures of the two coils:
The hood is weathered, but did not appear to be cracked anywhere. Also, the medallion on the back of the hood is in tact:
The propeller, knobs, original pull handle and transom screws are all there:
Also, for a Florida motor, there did not appear to be any obvious signs of salt water corrosion, or at least nothing more than I am used to seeing on old motors up in Michigan.
Now for the issues. I went and bought a compression tester at Harbor Freight before meeting up with Pastor Jeff (I needed a new one anyway). I was only able to test the upper cylinder because I could not figure out how to get the hose screwed into the bottom one with the lower shroud in the way. Anyhow, the upper cylinder only tested out at 30psi. Now, this is a HF special, and I think that typically they read quite low. So, it may not be as big a concern as it first appears. Also, the compression "sounded" OK to my ears (thunk thunk and not clunk clunk). Still, something to investigate further.
At some point in the past someone attached a handmade "planer" to the lower unit. Also, the lower unit is an obvious replacement from a Johnson as can be seen by its green color:
Probably the biggest problem is that neither the throttle handle (grip is there and in tact, btw) nor the gear shifter move. So, it seems to me that something not cool is going on in the gear box. So this, combined with the aforementioned aftermarket planer mean that a new lower unit might be the best way to go. Also, I wasn’t able to get the drain or vent screw off (it might have to get sprayed with some penetrating oil for a couple of days) so I couldn’t tell by looking at the gear lube (assuming there is some) whether or not the lower unit leaked.
And now a few more pictures to round out the meeting:
The only thing that I found missing from the motor is the rod that connects the slow speed needle to the slow speed knob.All in all, a fun and pleasant hour with a fun and pleasant person. And special thanks to Mrs. Kevinrude for allowing me to "play boat motors" for a little while during our vacation.
December 5, 2015 at 5:26 am #28076I’ll bet the gearcase is OK but the shifter is frozen from corrosion buildup on its shaft. This is common on these motors as they seldom get greased there. Same with the throttle linkage. The two shafts in the handle and the lower bushing which the throttle gear goes in get really tight from being exposed to the elements. Lack of lubrication compounds the problem.
December 5, 2015 at 11:54 am #28081I want to thank Kevin publicly for taking time out of his Orlando vacation and coming to meet me and to check out my 50th Anniversary engine! From what I see, you guys have a real passion for old outboards and for helping one another. You have a great club!! It’s 6:50 am on Saturday and I’m going to see if I can move my schedule around today to come to your meet and I’ll be bringing my engine and check out the other things there.
Maybe I could meet "Pappy" or someone else who lives near me in the Tampa Bay area who would be willing to see if they could get this beauty running??
My cell is 727-483-2511.
Thanks again Kevin!
Jeff
December 5, 2015 at 6:25 pm #28099Jeff
Kevin is a great guy, always willing to help out. I’m hoping you will get more insight on the engine’s needs when you attend the meet.December 5, 2015 at 8:57 pm #28105Well, today I drove from Clearwater, FL to Lake Placid, FL (about a 2.5 hour drive) to attend my first AOMCI Florida Chapter & Gator Chapter Joint AOMCI meet. Met some nice folks and got to see some great collections of outboards and boats. Very impressive! The leader introduced me to the whole group at the lunch, he explained my situation and Steve who lives across Tampa Bay in Riverview took my motor home with him and has agreed to go through it and see what it needs and if possible, to get her running again in "tip top" shape. I’m hoping for good news!
December 5, 2015 at 9:27 pm #28106I love happy endings, even if it is not the end. Welcome and keep us posted.
December 6, 2015 at 12:40 am #28117So I think Kevin might have told me this already when he visited me, but if the engine checks out ok and we get her running, I would love to have the cowling/hood repainted and made to look better. I know on "Antiques Roadshow" that they tell you that re-doing the finish diminishes the value of stuff, but I really would like to do it. Can the original colors be obtained? And are the letters on the cowling/hood decals or painted on? And then, is there someone here in FL that is good at re-painting these that I could contact?
Thanks!
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