Mariner 5HP 2-Stroke Outboard - Bargain or Wasted Money? - Voyage Dreams 86
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- เผยแพร่เมื่อ 17 ต.ค. 2024
- I found a used 1986 Mariner 2-stroke outboard on Craigslist for $50 here in the States. Will it run? I was told that the main trouble was that the handle is broken, but knowing little about 2-strokes I figured the price was good regardless of condition because I could learn a lot in any case. In this video I step through checking the possible big issues and test to see if it will run. If I can get it to run reliably, I'll use it to power my little inflatable dinghy and use it to get to shore while traveling in my little 1983 Cape Dory 25D sailboat.
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That mariner is a rebranded Yamaha. Solid engine
Cool video, Owen . . . Nice way to spend some time while you’re awaiting parts. And I agree, for the money, you can’t beat the opportunity dive in and learn a thing or two.
I have a Yamaha 6 hp 2-stroke. After sitting, the cooling water outlet seems to calcium (or something) up. We always need to push a stiff wire up into the outlet to clean it out. Another common issue is that the rubber impeller on the water pump will take a set and not pump well. We frequently replace the impeller as the motor sits most of the year. The guy I bought the motor from who is a outboard mechanic recommended running about 28:1 on the 2-stroke oil. Much more oil. Yes, it will smoke a bit more but it is better for lubricating the engine. Tape several shear pins into the inside of the motor cover so they are there when you need them. Also always carry pliers. Nice to see it start on two pulls!
Thanks for your input, Maui. If this outboard proves reliable I'll be certain to have a stock of replacement impellers on hand and will change out the one that it came with when I can get back to it.
This engine includes a small, rubber, split-pin holder under its cover, which I thought was a nice feature.
Your clip on checking the mariner outboard was really useful as I have the same engine. Do you have a copy of the manual that I could access? Thank you.
I was just watching you video and as soon as you did the compression test I noticed it was Pittsburg tester from hf. They are always wrong. I bought i Kawasaki jet ski off a guy who said compression was 90. Was prepared for the worst but when I got home I checked it and it was 150. Thanks for the video. My friend has one of these in the basement and I’m hoping to get into it.
What fuel filter is that you bought/used? Thank you for the help.
i have the same engine what goes on that black mount?
Nice find! The fuel question that @maui raises is interesting for sure. I have not found an acceptable solution to that yet. I have played with aviation fuel in my 2 strokes for a few years, but have not been completely satisfied. Lately I have been running whatever I can find and then finishing with the expensive premixed stuff as I run the engine dry between uses. Just sharing my messing about on the fuel subject….
Thanks Early8Q! I'll be doing my best to use only non-ethanol fuel mixed with proper 2-stroke oil. Running the carbs dry is definitely part of my routine if I don't expect to use the engine within 1 - 2 days.
@@VoyageDreams I add Star Tron enzyme tx to all my gas, for the last 10 years, since I can only get alcohol laced gas. Stuff is great and worth every penney.
should crank the throttle wide open when doing the compression test.
Sorry, second comment. I would run Non Ethanol or Clear fuel only. The ethanol fuel is evil on carburetors. It will create orange colored gunk inside the bowl and it will clog up all the tiny ports. The additives will not help. Also, disconnect the fuel line and run the carb dry after each use to keep the carb clean and dry. The clear fuel is harder to find and more expensive.
I'll use nothing but non-ethanol and reputable parts (where available) while this engine's in my possession. I have no idea what this engine's been through in the ~37 years before I bought it, but if it proves to be in as good condition as it seems now, I'll certainly take care of it.
While I agree with maui on running the engine dry after each use, which is what I have done for 29 years now; he is other suggestion about fuel is plain impractical.
There's no way you started that outboard on the second pool with that low of compression ???.
You're right! If the compression was that low it likely wouldn't have started up so easy. And that's why I strongly doubt the compression reading was correct.
@@VoyageDreamsthe compression reading was wrong because you didn’t have the throttle at wide open position. Any compression test should be done with throttle fully open!
@@gregwilson9035 please explain how that make a difference vs having it start position of neutral. Thank you.
Mariner outboards are great you should have a good run once serviced. Check the impeller re water cooling telltale pee.
Thank you, DreamTime! I'll definitely check the impeller. I found that this engine is a rebrand, originally manufactured by Yamaha in Japan for Mercury/Mariner, so I'm heartened that it's a good unit (at least when new).
I have had a 2nd hand 1995 since 1996; runs like a Swiss watch.
No tell tail, the engine is air cooled.
No it's water cooled. Air coolef cylinders look completly different. They have cooling fins.
My guess is, that the water is not deep enough to reach the impeller
@dx80cruiser: you are a dumba$$.