1982 Johnson 25 Hp - Will it Run Right ! pt. 1
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- Опубліковано 8 січ 2021
- It's This Old Outboard. 1982 Johnson 25 Hp Outboard belongs to a Viewer.
He said they've done everything to it and can't get it to run right. Cleaned &
Rebuilt the Carburetor, New Coils & Spark Plugs. Says it just Bogs Down.
Lets find out whats wrong with this Johnson 25hp Outboard !
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"Once you have spark and compression..everything else is a pain in the ass!" great words for me to live by as I work on my 60HP Mariner!
Haha Thanks again for tuning in!
I really miss you doing the smaller motors, this is why I started following you, learned a lot. Keep fixing and flipping the 9.9-35 Johnnyrudes!!!!!
Hey Thanks. If you think about it theres really not a big difference. They're all twin cylinders and have to do the same thing. Other then the extra carb and the timing linkage moved to the side they are the same. But I know what you're talking about, I'll always work on the small ones! Thanks again & Stay tuned !
"Once you've got compression, the rest is just a pain in the ass"
That's awesome man, I'm definitely using that one at the shop...
Hahahaa! Thanks for tuning in!
I have the 1979 Evinrude version of this same motor. It was great to see your tips and tricks. Thank You for helping us less mechanical guys get a handle on what's going on inside our machines.
Hey. Thanks for watching and commenting. I really appreciate it. Stay tuned !
Love love your channel. I learn so much.
Thanks for all you do!!!
Hey. Thanks ! I really appreciate you watching and commenting. Thanks again & Stay tuned !
I'm waiting for part 2 !!!
Great video as always thanks again for looking over my engine im excited 🙏😀
Hey. Yeah man! Stay tuned !
Steve in Florida caught your video and enjoyed it thank you for making it I used to have a 1975 Johnson 25 hp when I was young loved the motor I guess that why I like your video so much
Hey. Thanks for tuning in!
Exact problem I’m having with my 78 Evinrude 25hp. Gonna pull the carb tonight. Thanks for the help!
Hey. Thanks for watching and commenting. Really appreciate it. Stay tuned !
Thanks for explaining the process.
Hey. Thanks for watching and commenting! Stay tuned !
Nice catch man on that clog! Hopefully that does the trick. Always love watching the videos!
Hey. Thanks for watching and commenting. Hopefully ! Thanks again !
That's very nice of outboard gods are looking over you 🙏
Yes! As long as you thank them! Thanks for tuning in!
Awesome video as always! I think I've told you before but the 25 pull start in my videos now will jerk your arm right out of the socket!! I totally forgot about the idle holes in the carb which I think is causing my idle issue. I'm always learning something from your videos! Keep up the good work!
Yes. I think you have told me that. Not good for your socket! Thanks again and Stay tuned !
Mines runs good but it easy to pull think it low on compression
This is perfect for me.. as I have a 1981 Johnson 25 horse.. looks almost exact same
Hey. Thanks for watching and commenting. Stay tuned !
With the way ethanol fuel eats hoses and rubber seals, it pays to go through the fuel system of older outboards and practically replace all the rubber parts. Most all of them weren’t made to handle the ethanol in today’s fuel. I found this out the hard way with my own old outboards!
Yep. Even with the oil mixed in, it will take its toll. Thanks again !
👍👍
Great Work
Hey. Thanks for tuning in!
I’ve made many mistakes and learned if I’m going to rebuild the carburetors then I’m going to replace fuel line filters and sometimes even the fuel pump. It’s the little things that come back and bite you in the butt. Nice of you to help that guy out I think you found the problem.
Hey. Yeah, high speed clogged, low speed needle 10 1/2 turns out, its a start! Hahaha. Hopefully nothing else. Thanks again !
@@THISOLDOUTBOARD1 yeah that’s crazy I have never seen one that far out yet, I guess they were compensating for that clogged high speed jet.
Another fine video sir
Hey. Thanks for tuning in!
Great vid. Have a 1980 25hp with recoil starter issues; a cracked housing so on the search if anyone has a spare... Think the nut loosened off and the bolt blew the top off the housing.. One to watch for... Also a bit of heat showing on the upper head (melting ignition wiring). Keen to know more about thermostat/cooling issues. Cheers for the channel.
Hey. Thanks for tuning in. Try ebay for the starter and I wouldn't run it until you figure out why the wires are melting. Bad pump impeller, bad thermostat, clogged? Fun, Fun, Fun! Thanks again for watching! Stay tuned !
I just bought a 1974 version and am avidly following..
Greetings from uk
Welcome aboard! Thanks !
Great Video! Don't forget to check the fuel pump in the next video. thanks for sharing.
Hey Thanks for watching and commenting. Yes the crazy upside down fuel pump will be included! Thanks again & Stay tuned !
It's the power pack. That's exactly what my 2002 25hp Johnson was doing. It ran with the choke 1/2 way and sometimes she ran good. Goodluck!
Hey. Thanks for tuning in! I guess you'll have to watch part 2 and see lf your right. Thanks again !
I purchased a 2018 15.5 trapper topper jon boat with a 1989 evinrude 25hp with stick steer The prior owner a service manager at a local car dealership
said it needs carburetor work. I got it home and found several things wrong with it bt not the carburetor. I replaced the water pump, thermostat, exhaust side cover gasket water pump. Found the electric pump lever was in the wrong direction. It would fire up and run. But would stall out and flood the ngk plugs and be a pain to restart. I then after a fishing trip where it almost left us stranded by not wanting to restart. I put new champion plugs in it and took it out for a test run and fishing trip. Still had a little miss in it. I pulled the plugs and found one clean an one with carbon. Put a ohm meter on it and found both sparkplug wires were open. I replaced the wires with a new set. Ran much better. But the idle advanced from the carburetor wouldn't line up this problem is the total advance is not adjusted properly. Next is finding my timing light.
Hey. Thanks for tuning in! Yeah they always say, "it just needs the carb cleaned". Hahaha Thanks again & Stay tuned !
Really good video.
Have you changed camera or software...it's even better than your usual high standard.
Take care bud
Hey. Thanks again for tuning in. I've got 3 cameras, sometimes I swap around. Thanks again & Stay tuned !
Another good video..Think Iscrewed up my shoulder trying to check compression on the 40hp I got it November.It pulls really hard like you experienced.Wish it had electric.Haven’t touched it since.
Hey. Thanks again for tuning in. Yeah I felt it the next day! Hahaha hopefully it won't be that hard to start.
I had a 48 mariner that was like that thing would hurt you on a cold winter day
Yep it’s all in the details and a good whack with a hammer on occasion!!!! 😅 👍🏻👍🏻
Hahaha. Thanks again for tuning in!
If you remember, last week on another video I posted in was having an issue getting my 1985 25HP Johnson to start. I had replaced everything electrical, fuel system as a whole...I was getting pissed! It turned out to be....the damn Needle Valve!!! The issue was that IF my carb had ever been rebuilt, they never replaced the retainer! It was super loose and could not hold the needle valve in place. When the motor was started...even the vibration from driving the boat down the road...was making the needle valve back itself way out. So, it was basically trying to run on pure air with no fuel! Lol
Hey Shane. Sure I remember. Glad it turned out to be something simple. Thanks again & Stay tuned !
“If you’ve got good compression, the rest is just a pain in the ass”. That’s the absolute truth. If you have no compression, you might not have an engine worth fixing!
Hey. Thanks again for tuning in!
Nice, thanks! Im gonna take the carb off again
Thanks for tuning in!
I have a work horse 25 and I love it strong motor
Hey William. Thanks for watching and commenting. Yeah, my favorite! Thanks again and Stay tuned !
All ways I learn more here then any we’re thank you for the help
@@unclewill Thanks !
Great video mate!
I’ve got a 2005 Johnson 25 and there’s rotational play in the ignition plate. Because of that the “return to idle spring” doesn’t work. Not sure if it’s supposed to have play? Haven’t pulled the flywheel off yet as I need to get the right socket.
My other 2000 25 doesn’t have any play and it seems right so not sure what’s the go. Any ideas?
Thanks!
Hey. Thanks for tuning in. May be the nylon bushing retaining ring is worn. Thats usually the culprit for any slop with the ignition plate. See the schematic for your year/model at marineengine.com. Thanks again ! number 44 www.marineengine.com/parts/johnson-evinrude-parts.php?year=2005&hp=25&model=J25RLSOA&manufacturer=Johnson§ion=Ignition
Great video. Can the gear based throttle linkage be converted to a cable system or is it too hard?
Hey. I've never done the conversion but I'm thinking it shouldn't be that difficult with all the right parts. You'll just have to do the homework and look for parts deals on ebay. Let me know what happens, better yet, video it all and put it on your channel! Should be a great vid and get tons of views. Thanks for watching and commenting. Stay tuned !
Do you have any advice on how to remove a stuck lower unit? I have a similar Evinrude and after removing all 4 bolts, 1 nut, and disconnecting the linkage, the lower unit barely moves? I've tried PB blaster and hanging it upside down and even a come-along - it is on there! Any suggestions? Thanks for all of your videos.
Hey Travis. Thanks for tuning in. Everything you just mentioned would have been my suggestions. One guy said he left it hanging from a tree for a week, spraying it and beating on it everyday until it fell off. Kodibass has a formula for loosening corroded bolts, I think it contains transmission fluid with something else mixed in. Try asking him, his formula works on bolts! It's worth a try. Thanks again !
Great video. My dad's 71 Johnson 25 will run okay for an hour or so. But once it stalls on the water it will not restart unless it has full choke. Then it revs it's head off. I'm about to pull the carb and have a look. Any thoughts?
Wow. That's weird. Yeah all you can do it go through everything, fuel and ignition. Give it a good tune up! Thanks for tuning in!
Man, don't give yourself a rotator cuff injury! 🙂
Too late for that! Hahaha Thanks for tuning in!
You sound like the guy I need to ask this question to. I have a friend who has a Johnson 25 hp motor. I will be looking at it Sunday. I think it’s a mid 80s but will know on Sunday . Anyway the outside looks hardly used and he said when he takes the cover of I will be amazed because it is as clean as a whistle. He said it runs perfect. I am wondering what it is worth but more importantly can I still get parts? If you don’t mind could you give me some input.
Hey. Thanks for tuning in. Hard to say without seeing it. Look around on your local craigslist, offerup, & facebook marketplace, ebay, search the web, and see what similar outboards are going for right now. Parts shouldn't be a problem, when you get the year/model you can look it up on marineengine.com for parts availability. Ebay also sells parts new and used, and parts for these outboards are interchangeable. Good Luck!
Love your work. I’m in Australia, and my Johnson 2005 30hp has trouble starting sometimes, but mostly stalls idling and sometimes loses power at WOT. Drop it back to 3/4 throttle and speed increases. Any idea what’s wrong??
Hey. Thanks for tuning in! Well hopefully, its either its a fuel issue or an ignition issue. I'm leaning towards a fuel issue. But never assume anything with these things, what seems like one thing may be the other. You'll have to eliminate one system at a time, it may be something simple. I would start at your tank and work back through the entire fuel system all the way to the plugs. Check for, tank vent open, primer bulb holding tight, air leaks in fuel lines, carburetor super clean, fuel pump diaphragm, when it stalls at idle pull the plugs out and see if they're wet or dry. While your going through everything check your compression too! Once everything is good with the full system and if you still have problems, check out your ignition system, get a spark tester or a cheap timing light on ebay, check spark on both plugs when it stalls at low speed and high speed, could be an ignition coil or the charge coil under the flywheel dropping out. Even the powerpack may be going bad. You'll have to narrow it down. Hope this helps. Thanks again !
@@THISOLDOUTBOARD1 thanks old mate. I didn’t think I would get a response with so many different things to try. I really appreciate the help and I hope you stay safe over there. Love watching your videos over here. Take care mate, and again, I appreciate the help🍻
Did you take the other plug out when you were pulling on it for compression? I even do that when I use the starter. I just put the jump box to the the starter hot and a ground. Just my 2 cents.
Hey. Thanks for tuning in. Yeah Pretty sure I did. It was just a bear to pull! Thanks again & Stay tuned !
now when you done come on over to ohio get this 88spl done lol good video as always
Hahaha. To cold for me! Thanks for tuning in!
@@THISOLDOUTBOARD1 oh come on its only 30 outside here lol
@@cozziwysong3905 It was 37 here this morning !
@@THISOLDOUTBOARD1 well your good sir COME ON OVER lol
tip of the day "If you have good compression the rest is just a pain in the @$$"
Hahaha. Thanks for tuning in!
My wife got me a new shirt. I walk into garage and come back into house. She says you have grease on your new shirt. I say now it matches the rest of my shirts. She wasn’t amused?
Hahaha! That's funny.
Ditto !
They never are
Just got a 1982 just like this one! Got it yesterday, need to rewire some things and get to cleaning and tuning ! Awesome video very detailed! Do you have a video on wiring the engine?
Hey. Thanks for tuning in! Not really, but here's a wiring diagram that will help you out. Thanks again & Stay tuned ! maxrules.com/graphics/omc/wiring/25_35_82-83_elec-remote.jpg
The magnets in the starter might be upside down. It looked like it was spinning the wrong way that’s why the bendix wasn’t jumping up.
Hey. Thanks for watching and commenting. I'm pretty sure its turning counterclockwise, I've watched it a few times and it does have the illusion of spinning backwards. But I think I must have done that on my trolling motor when I rebuilt it, thats why it runs backwards in forward and reverse. Hahaha I didn't know that could happen! Thanks, now I know!
ok i changed the plugs and adjusted my throttle to the timming mark,but i have to start it with choke,and hurry up and throw it into gear because it wont idle.im taking it to detroit river tomorrow so im not going to clean the carb today.at least the elec. start works every time.i hate tugging on it.
Hahaha. Yeah I hate it too!
Hi can I adjust the needle when engine is running
Hey. Yes, thats the only way! Check out part 2 too on how to do it! Thanks for watching & Stay tuned !
is there a second part to this one? i have the same motor and having issues getting it to run without starting fluid ,it starts with that but dies off fast
Hey. Thanks for tuning in. Yes there is a pt. 2. Stop using starter fluid ! Theres no oil in it and you could be causing damage to your outboard. Using Starter fluid is telling you only one thing. You got Spark but Your not getting any fuel to the plugs. So now you need to find out why. Pretty simple right. CLEAN THE CARBURETOR ! Slow speed idle circuit is probably clogged. Check the float and needle, and very important is the slow speed needle Retainer. If it's missing/broken the carb is just sucking air not fuel. I think I covered all this in this video. Clean the carb and replace any parts it needs, screw the slow speed needle/valve in and gently seat it, then turn it out 1 + 1/2 turns, that should get it started. Then your all set to dial in the carb as seen in pt. 2. Then dial it in again, warmed up, in gear, at idle on the boat. You should be good to go and dont forget to clean the high speed orifice/jet in the carb bowl. Thanks again and Stay tuned !
@@THISOLDOUTBOARD1 thank you I plan on doing the carb since watching you do it I want this up and running since I just got it and handing it off boat and all to a vet and his kids free of charge for as long as they want to use it
@@THISOLDOUTBOARD1 I can not find part 2 I also have to adjust the pull cord to get a full pull
@@NCPIERMAN ua-cam.com/video/h6toVGTqvks/v-deo.html
I save my old guitar strings the high E string fender silver bullets are good because they have a holder on the end
Hey. Yeah I've heard they were good to use. Thanks again for tuning in!
I have a 78 evinrude 35 hp it fires only one cyl, changed the plug,the coil, no difference, any ideas?
Hey. Thanks for tuning in. Could be a bad ground, plug wire, stator or charge coil depending what model you have, powerpack. It becomes a process of elimination at this point, eliminating each component one at a time. It's best to get an omc manual specific to the model to trouble shoot it. Check ebay for a good used cheap manual. Thanks again !
Do you have a stater for a 25 hp Evinrude 1978
Hey. Thanks for tuning in. I might have one but I don't sell parts. Your best bet would be ebay. $60 Thanks again !
Is there a part 2 I can't find it
Thanks for tuning in. ua-cam.com/video/h6toVGTqvks/v-deo.html
My 78 35 rude has 120 top and bottom good freaking engines albeit I do take care of it only use synthetic either royal purple or merc oil and rec 90 with a seafoam splash every 3 or four months never had a single prob and i use it weekly in the keys or in miami was thinking about getting a new yammy but im just going to baby it till it dies lol
Hey. Sounds good! Thanks for tuning in!
I have this same 25hp johnson and i run NGK b7hs 10 or ijust bought BR7HS 10 are these correct? and what is the gap?
Hey Rick. Thanks for tuning in. I never use NGK plugs. The recommended plugs are QL77JC4 - Champion Spark Plugs gapped at .30. Some people hate Champion and some hate NGK. It's just one of those things! Thanks again & Stay tuned !
@@THISOLDOUTBOARD1 hey thanks for getting back with me so soon I'm ready to work on my motor right now
Hey, it will be interesting to have you look into that fuel pump. My guess is that as long as the vacuum holes (engine and pump) are lined up and the mating gasket is good, the pump's mounting direction shouldn't make a difference. But please do show me the light ! Happy and safe New Year !
Hey. Thanks for tuning in and commenting. I won't be able to stand that pump upside down like that, it goes against the flow of the universe ! Hahaha Thanks again & Stay tuned !
The American William Hurt .
Thanks for tuning in!
Was the starter running backwards
Hey Thanks for watching and commenting. No its spinning in the right direction. Taking it apart and cleaning it up might help.? Thanks again & Stay tuned !
Engine should turn clockwise
Needs the carb jets & orfices cleaned out...
Yep!
Hey can I give you a call please I need to ask you a couple questions about my motor please please please
Hey Luke. Thanks for tuning in. You can ask me right here! No need for phones. If I can help, I will be happy to. Thanks again & Stay tuned !
proctologist gloves
Hahaha. I thought those were brown! Disgusting
I wouldn't admit my Johnson had a problem... How can that be...??? Than can be because you're getting weak already...!
Hahaha! Thanks again for tuning in!
i had a 40 it run with rag of gas in front of the carbs move it away it quits the problem a seal in the float bowel of the carb! a week later the owner place in Sayre 150 dollars later it ran like a dollar seal! i had same for 5 dollar rubber part in a 2016 merk it broke it stuck in gear! show me where the part goes and when it comes apart! so i can fix it at home!
Hey Thanks for watching but I'm not following what you wrote.
@@THISOLDOUTBOARD1 in some johnson/evenrude there a seal around a fuel pickup if not there it don't run at all! that what the 150 dollar bill was for! a the shop the owner said! i think it was a 40 hp he had a spare one now!
Fuel pump will not run like that it needs to be turned around
Hey. Thanks for tuning in & commenting. Yeah I've never seen one on upside down before. Thanks again & Stay tuned !
How did you get started working on outboards? Up here in the mountains of northeastern communist California, it is very hard to get your outboards worked on. Most of these clowns up here grow pot for a living and have no interest in making an honest living.
Hahaha. I told the story a few videos ago. I think it was the one where I rebuilt the motor stand for the 55 and got the blue barrel. Anyway, I've always done my own work on my vehicles and everything. Then one day I bought a boat and it needed a motor. I actually started with a 70, 65 and 60hp motors. Got them all dirt cheap and got them all up and running but wasn't sure which one I wanted for the boat. I was working in my backyard then and it was a super pain in the azz trying to move the motors around than I found out the boat needed a new floor. Long story short, I sold everything except the trailer, bought the aluminum Dura Craft jon boat and the rest is history with the smaller outboards. I just wanted to go fishin! Hahaha Thanks again for tuning in!
Great video good close up look at the parts! I got this exact Johnson 25 last year, guy told me its 4-stroke. After hundreds of gallons *straight gas* I'm now looking inside to change the powerhead oil. Where's the oil drain screw and fill point? I've already done the gear case oil change. Don't see where's the sump for the power head?
@@aestokesrees Hahaha. R U just yankin my chain?
@@THISOLDOUTBOARD1 wish I was joking, buy honestly I have done some long lake crossings like 2 hours full throttle planing since buying it and it runs great. I always thought a 2 stroke would die in 1 mile without oil mix. I've done 100. Wierd. But glad to know now.
@@aestokesrees wow
now another point, what is this guy doing wrong? he is right now damaging the cylinders, i have seen this this so many times, here is what he is doing wrong. When a two stroke is being pulled the cylinders are crankshaft and rod and piston pin are getting Zero Lubrication everytime he yanks on the pull cord the rings are scoring the cylinders. where you buy and old outboard and take off the cylinder head you will see scoring lines on the walls of cylinders, not due to a lack of oil in the fuel tank when running but when pull starting the unit when out of the water. so what must you do, before turning a two stroke outboard over when working on the engine take the plugs out and spray some two strokr oil into the cylinders replace plugs then your good for ten pulls. cylinder scoring in outboards is caused from dry pulling with no lube getting into thr cylinders and crack bearings
Hey. Good Point. But. Pulling that outboard is not hurting a thing. Plus its a 2 stroke running motor, just not running right. They don't "dry up" overnight, there's always a degree of lubricant on them. Next time you tear one down rub your hands all over it and you'll see just how greasy they are! Now I've lost count on how many outboards I've put back in the water, and there are times when I'll spray some lube in the cylinders, for instance, Grandpas old outboard that's been sitting in the shed for 30 years! She just might need a little lube and hopefully the rings are not stuck. What your describing, scoring lines on the cylinder walls takes place during operation, its has to run up some rpm's to do the damage your talking about. Nobody can produce that by hand pulling it. If that were the case half or more of the outboards in the world are doomed! There are many things that can cause cylinders/piston scoring, sure wrong fuel/oil ratio, lack of lubricant, excessive heat running hot, bad/stuck rings just name a few. I'm not saying not to lube up the cylinders. I do it often. I am saying scored cylinders/pistons/rings gonna need more kick to cause damage then just pulling on the pull start. Thanks again for tuning in!
@@THISOLDOUTBOARD1 thats not case, actually gas mixed with oil regardless gas vaporizes very quickly after which the two stroke oil in the gas then turns to Gum, take apart an old outboards carb look inside the bowl if you see sticky glue inside the bowl then you no the gas in oil vaporized leaving the oil to dry out and become a gum thick gooey type substance. another problem now that i am on the subject is that i see people using wd 40 as a lubricant no good wd 40 is also very corrosive. i have for a long time winterized my engines with 10w30 in the cylinders then pull them over with the plugs out done. i wish you the best with your engine.