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Buddy of mine bought a speed boat with a mariner 115 he had it a week ran out of gas put regular gas in and blew it up 2500 down the drain

Got the 84 version! Love it!

Anyone know how to check oil level i cant find oil dipstick?thanks in advance if anyone can help its a 1979 90 straight 6cyl

Never use starting fluid on a two stroke engine it has no lubricant in it and you can score the cylinder wall and rings . Its best to use some kind of squirt bottle with mixed 50:1 mixture of fuel and two stroke oil and squirt it in the carb opening for starting fluid

New to boating here......is the fuel pump in the tank or can I just drop the line into a tank and run it for testing? Got the same exact engine on 1982 Dynatrak that I am fixing up.

I don't know to much about boats but its seems you sir know what you are doing when it comes down to it!

I keep a spray bottle of pre mix 32:1 just for this reason, starting fluid kills rings

Did u put any kind of oil in the spark plugs

Hello , you are amazing... I love all your videos. thanks for sharing all these great contents. SUBBED and LIKED ! a fellow creator,,[][][[]

If you can find an old 70hp Johnson around the 80's model with the older style head with water jacket. Use the power tilt trim from this to fit the 40, 50 and 60hp Johnson 1990 model up with the tree side bolt bottom mount clap type. Remove the engine lower cover and carbies to be able to flex the pivot shaft outwards to fit the 3 cylinder power trim unit. You will have to cut off 19mm from the bottom of the original pivot mount to fit first then slide on the replacement power trim. The shafts are the same size so no re-shimming is required and it works a treat. Easy to get replacement part for too unlike for the 40 to 60 hp model. If any of your bolts are siezed remember to use heat to loosen so not to snap them off and put a tap into them and blow the threads out with compressed air. Remember to grease up all your threads before refitting. Good thing is there are plenty of early 70 hp Johnsons out there being sold for parts.

Must have been a fresh water motor

This is the most American thing ive ever seen. Wire nuts in a marine application. They didn’t even come that poorly setup from factory

You had my attention right till that either/starting fluid🙄

Looking to us the same ones to build a shed.

Don't use starter fluid on a 2 cycle engine. It doesn't have any lubrication in it. All the oil in that engine probably dried up years ago, so it was especially bad for you to start it that way.

I was given one four months ago had a bad rectifier in a bad trigger and he said he had change the stator on it so I went ahead and just put all new electronics on it cost about $600 on Amazon new CD iboards new rectifier new stator new trigger and I've not yet fired it but that's coming probably in the next couple days almost choked when I saw this video this one's a 1980 it's been sitting for 17 years

Thank you for showing your cuts on these timber logs...you might laugh but I want to build a home doing this since I am 58 bigger logs are physically not something I can do plus living in Texas I won’t be dealing with sub zero weather so smaller logs are acceptable plus having no building codes is a plus...thank you so much 😁

not sure how you came up with a 115 being equal to 135 now. The standard changed in 1983 and they used to measure at the crank but now they measure at the prop shaft. If anything this would be closer to a 100 now.

That is impressive

Please tell me the wire nuts were temp.... motor sounds good. Properly splice those wires otgerwise next owner will have issues

Very nice sir. Way to beat those exorbitant prices for factory units.

This clearly was not the first start but ok

Gas hogs but great motors I still run a 86 90 hp very few problems other than keeping gas in her she's a thirsty gurl😃

I can smell this video 😏

Badass

Motor hasn't run in many years, lets see how it likes 5000rpm before its warmed up!! Lol. Great find. I'm jealous.

You can use the "bad" aircrew as an insulator in walls. You can use it for a subfloor in expansive soil.

your work clothes are better than mine

These motors are best ever produced imo love it now put on a hydrostream lol

For $300 you can get a used one on fb on line yard sale that’s made for it.

Just wondering do i need to have Ignition on to make it running.. Engine came without controls and was going to be put on boat with mariner90 Hp thats now on but needs to come down. Is that pre mix fuel or just regular unlead. Thanks for great video now u giving me chance to start mine "I hope so of 450$ in trash.

I just bought same motor, cannot find where battery wires are coming on or what kind a fuel does it use. I will try to figure out but if anyone knows and can take pics or video where do they stand will help a lot..

I've got an 81

You're commentary is absolutely amazing. "Bulb's nice and stiffidy"

Hello, what is the small metal piece that connect to the cable

I have the 87 flavor. I love that engine!

Rock Tech , I love it. I have a complete lift system for a 1964 90 hp Evinrude . I'm going to use the cyl like you did ,add flex braided lines and mount the pump inside where the battery area is . Doing this for a friend on a pontoon 48 HP.spl.

nice video. keep uploading. wish you more successful. thanks for sharing. keep in touch new friend here. ❤🖤❤💚❤🧡💙🧡💛💜🌹🌷👌👍🏻 👍🔔✅

Awesome engine!!!

Just an idea, you could probably get by with just a single action cylinder. This simplifies the plumbing and wiring. The top cylinder hole just has a vent line and you can use a pump with just an on off switch and no complicated valving. One relay energizes the pump to push the motor up, the other relay opens a solenoid valve that releases the oil back into the sump. The pump pushes it up and gravity brings it down. That would also give you protection from hitting unexpected objects. The piston would have have enough resistance to keep the motor down when reversing but would still give some if you hit something, just as the factory unit does.

Dear Friend , This Engine Is an Old Heavily Used RV Motor with Some Marine and Aftermarket Parts on it ... It Sounds Like It Barely Runs An Extremely Low on Compression , I would Say with a Load Put on this engine it wouldnt Perform at all or perform very poorly ... The Engine is also covered in paint carelessly , The carb being painted really was a giver as well as the fact the carb is missing its very much needed near inch thick spacer an the carb studs look crazy out there all wrong . Im Sorry to say but after reviewing this , this engine isnt rebuilt its an old pile from a junk yard they painted an told you they rebuilt .... they probly got your badass 460 block , heads an internals , charged you out the ying yang , and got you a 200.00 pick an pull 460 an about 7 bucks in ford blue paint ... I wonder how much they got you for in total on the rebuild an shipping 3 to 4000.00 ? or more ... Also The Copper head gaskets you speak of are reusable and one of the best head gaskets money can buy you , Again this also points to extremely poor quality on the re-builders and again I question it even being done at all .... Im going to take a long shot here an say this a late 70s early 1980s Rv Camper Engine with about 280,000 hard miles on her ....

I like to buy your old ones you took out

Hey Rock, getting ready to do this same project when it warms up a bit. Putting together a batch plant and working on forms. Cant wait to see how your metal frames work out. I am doing mine for the fireproof aspect as well as insulation. Where i live fire season is a reality. So many possiblities.

This project is on winter hiatus.

Any further developments?

Great project ! I really enjoy watching hard working people with great skill levels. I enjoy making cement product from scratch.

Long shaft Johnson.... they guys that made these motor must have known . 😆

Hi Marv Patterson. I sure would like to get a hold of RockTech to ask more questions on installing a homemade hydraulic lilt. I have a 22 foot yawl with 2 50hp Johnson motors on it . my questions will involve where i can find the parts please. My email address is marvin1@mts.net.

Thanks for this. Thinking about getting the Bennet pump as well. Do you have a diagram for the pump to wire it as a dual action? And is the color coding you have accurate to what would need to plug up to the switches?

Hi, may you can help us. How could you remove the top bushing and pin? ua-cam.com/video/oM7oLhHuoSY/v-deo.html