Johnson / Evinrude carburettor service

In this video I remove the carburettor from my Johnson 30 HP outboard, clean it and install a service kit. This includes replacing the float, needle and seat and all seals.
Service kit available from MarineEngine.com at www.marineengine.com/newparts/...
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Dangar Marine is proudly sponsored by MarineEngine.com. MarineEngine.com supplies a wide variety of spare parts for many brands of outboard motors, be sure to check out their online store.
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[@tcsears]

He talks all the way through the video and that’s great!! Goes slow and step by step explaining all the way!!

[@DangarMarine]

Glad you liked it!

[@BrandonJones-rz6ui]

Dangar Marine thank you for this video. It was EXTREMELY INSTRUMENTAL in me rebuilding the carbs on a 1985 Johnson 60hp. I am by no means a mechanic, but I literally could NOT have done it without your video. I can't thank you enough... Who knows how much $$$ you saved me. Keep up the great videos!!!

[@DangarMarine]

You're welcome Brandon, glad to have been able to help. :)

[@serratedmiff]

Lol

[@williambonnett2216]

Found the problem, it was timing, the spring mechanism kept moving around. Carburetor works great

[@mtome100]

Thank you Stu, really help me fix up my old Johnson 25hp after it flatlined. Your videos are so helpful.

[@officialgearhead6736]

You do great videos Stu. Thank you for all the work you put in with these videos. You take the scare out of starting those bigger jobs. I got my junk 150 Force motor going with all the general information from your videos

[@DangarMarine]

Thanks Rick. Great to hear you got your motor running again!

[@everydayaustralia813]

I've been playing with all mechanical things since I could walk and I'm so grateful for doing what you do mate I've learnt so much

[@Puukko79]

Omg you're helpful. Got a running, new to me, old boat with an even older motor. These videos give me peace of mind that, with your instruction, I'll be able to fix things that may come up ohn the future, and perform done preventative maintenance.

[@_Hay_Tyler]

That video was super useful! Thanks for walking through everything slowly and explaining thoroughly!

[@benreavis3614]

Thanks so much, was rebuilding my carb and never would have seen the main jet on the bottom of the bowl if not for your vid!

[@jimbanks310]

Hey Danger, I really appreciate the step by step. My Johnson 25hp stalls after I power down when arriving to dock. One marina just cleaned the carb but it still does the same thing. I opened up the fuel pump like in your video and discovered the same issues, broken cap and o-ring. Thanks for you input. Cheers

[@sirr0bin]

Thanks for the video, I just rebuilt the carb on my 30hp Johnson and now it's running great. Appreciate the walk though!

[@georgediperna3155]

Your video is one of the best I've ever watched. Your step by step instructions were very easy to understand.

[@DangarMarine]

Wow, thank you!

[@capt.martin5169]

Quick tip for tools to work on Carbs with. Gunsmith screw driver/tools sets are great for working on sensitive brass parts like Carb Jets. The screwdriver bits are designed differently than normal screwdrivers... normal screwdriver flat head bits are tapered, Gunsmith flat heads have an even thickness shaft so are less likely skip out of the slot and damage the soft brass or other screws that hold the Carb together. Also, these sets (not advertising for them but the one I have is an 89 piece set from Wheeler Engineering) offer a lot of bit size choices so you can find the exact bit that fits snug and is correct width to fit into whatever Jet/screw you need and helps to prevent damage to them. Thanks for your videos, they have been very helpful! Watched your other videos on Carb tuning and helped me get my work boat back to working order and working quicker than if I had to go to a mechanic, thanks a lot!

[@DangarMarine]

Hey Martin, great tip about the screwdrivers, I'll check them out.

[@jarrod9234]

Hahaha. 26 seconds into the video and I’m already lost. 😄 Starting with “I’ve already removed the...” probably wasn’t the beginning I was hoping for. 😬😂

[@user-rl9qs8qz5x]

Used this to Rebuild carburetor x 2 ,55 evinrude commercial . Put it in the water yesterday 👌 this guys a legend 👍

[@borfishing7690]

This video is going to be my tutor through the process this coming weekend. I have a 78 35hp Johnson with the same parts number. Thanks very much for this video. I’ll be filming a bit of it and reference this video.

[@DangarMarine]

You're welcome mate.

[@brandonhebert5485]

Yes, back in 78 the engine HP was rated at the flywheel. This engine is around a 1993 or so that this guy is working on, and by then they rated it at the propshaft. Since about 5hp is lost between the flywheel and the propshaft, a 35 in 1978 is the same engine as a 30 in 1993 because your 78 only has about 30 propshaft horsepower.

[@prb-vp9ku]

Take a photo of what you're dismantling as this helps when putting complex parts back together. If you are leaving the job for a couple of days its wise to put things back together hand tight. Stu your videos are great. Thanks for sharing your knowledge.

[@DangarMarine]

You're welcome mate. Photos sure do help!

[@Harleywolfman01]

One of the best videos ever. Your explanation is perfect. Thank you very much.

[@hawgsnatcherscatfishing9075]

Excellent training for my two Johnson 40 carbs. Thanks for sharing!

[@deniseandmarkfirestine7443]

Thanks dangar ! Couldn’t do it without your knowledge! You are a great instructor!

[@DangarMarine]

Glad to help

[@jamesperson9846]

This is exactly the video I needed to get my engine running! Thank you!!!

[@user-rx8go1nn1k]

YOU ARE AMAZING !!! Thank you for all of your very helpful videos.....keep up the great work

[@DangarMarine]

You are so welcome!

[@awd3418]

"Hollow Ground" screwdriver tips. they will prevent brass or aluminum distortion , the flat blade driver will almost always mark up and nick the fittings or fasteners.......

[@abemaysonet7291]

Tx for the input. Your vids are well made and very helpful.

[@michaelekberg2661]

Thank you Stu, Good and fun educational timekilling while waiting for spring!

[@DangarMarine]

Thanks Michael. Not long to go now!

[@lodyz5729]

Amazing amount of knowledge, brilliant! You just might have given me the resources to fix my old 70’s 55hp Johnson 😅👌

[@chris6382]

Great video. I have a request, could you make a video about symptoms. Like you'll know your carb needs cleaning if....or your float needs adjusted if .... Thanks for all the helpful content.

[@jtgator3414]

I can see removing the starter for convenience. But do you have to remove the entire mounting assembly ??? Great video though, very easy to follow.

[@iggyfam]

Checking in from Detroit Michigan USA suburb! Great vid mate. Learned a lot about carbs and I am looking to rebuild my first carburetor soon!!

[@DangarMarine]

Good luck!

[@KhanhMacCarthy]

love your work stu, especially with a brewskie next to it

[@jtgator3414]

Great video, you dumbed it down perfectly for me. I almost can't wait till my carbs need cleaning so I can try it. I might have to put sugar in my own gas tank.

[@paulg9314]

Another very informative video Stu. Keep up the good work.

[@DangarMarine]

Thanks Paul.:)

[@fatmanbud]

Thanks for this. My 1986 force has fuel running out of the bottom two carbs. This will help a lot once I get the kits in the mail.

[@fatmanbud]

Anybody know how to get the needle seat out and back in these carbs

[@juliodanielbaca7419]

I'm getting into a knew hobi learning everything obout outboards thankyou dangar you bring me great knowledge.

[@JamesSmith-sj5yi]

Great job ..can't wait till it runs...James in Houston, Texas

[@DangarMarine]

Thanks James, I'm looking forward to getting this one up and running too.

[@IDontTalkToCops]

I’ve learnt so much from this guy.

[@andrewshifty1189]

Thanks for another helpful video , my 30hp is almost ready for a water run cheers

[@DangarMarine]

You're welcome Andrew, good luck with the first run!

[@vintagewatchcollection815]

Brother you saved me today out in the water thank you so much 💯💯

[@DangarMarine]

You're welcome. :)

[@land-lockedpirate2231]

Awesome video Stu. I bought an Evinrude 30hp last week, it ran fine for the 3hr cruise home but now has a rough idle I suspect from picking up crud from the bottom of the tank (it got choppy 20minutes from home) first thing to do is is clean the carb (and tank, filter, plugs etc etc) but atleast now I have a comprehensive guide as to what I'm doing.

[@fender926]

Excellent video and well presented. the mixture screw on my 30hp Evinrude required 5 1/2 revolutions out before engine would run sweet. thanks Stu

[@DangarMarine]

Thanks mate. Interesting to hear where yours needed to be at.

[@josephc7904]

EXCELLENT VIDIO, in regard to changing the jets for altitude ,who would provide that info.?At 4000 ft. what size jets are recommended.

[@hellothere1255]

Excellent video! I bought a used Johnson 25hp outboard with electric start. It ran terribly! Decided to rebuild the carb and noticed someone had installed the float up side down! It was harder removing the starter to access the carb nut than it was rebuilding the carb! Thanks for a great video.

[@dainsookdeo144]

Thanks for your experience man did what you said and my envinrude 15hp is working like New thanks all the way from the Caribbean Trinidad

[@DangarMarine]

Glad to hear it is working well again. Would love to visit Trinidad one day! :)

[@john7017]

Great informative video! I can't wait for it to warm up on my side of the pond, cold here in New Jersey US, thanks again.

[@boaterbil]

I left NJ (Hopatcong) 3 yrs ago. where ya from?

[@john7017]

southern new jersey Cape May.

[@boaterbil]

I was up top. Cheers

[@rosendoayag9233]

john I need help my Johnson. 90 hp 2005 rpm max is 2000 and it will bog down when I accelerate please help

[@normandunnaganjr.5034]

Good work and thanks for spreading your knowledge

[@keithbanther3385]

Like the way you do your vids...you have helped me a bunch.your vids sre easier to follow than most

[@DangarMarine]

Glad to help

[@dnixon1974dn]

Great vid Stu.

[@DangarMarine]

Thanks Darren. :)

[@elgen13]

I really like your videos !

[@brandonhebert5485]

Any marine mechanic that makes a how-to video with a bottle of beer on the table with him has my business.

[@justtinkering6054]

Very thorough video. What ever happened to the shop anyhow? Have you moved out all together or going back after Renko is finished?

[@chrisshanestone]

I have a 1981 Johnson 25 hp . I’m getting small pool of fuel right below carburetor. Should I rebuild ? Leave it alone ? Or something else ? It runs fine

[@northpoletrucker4711]

Mate, you are amazing!Great videos!

[@LarryProcyshen]

great videos keep it up thanks glad im in fresh water only

[@cliffordwilliams9597]

Now that I own a 33 year old outboard I'm your biggest fan.

[@DangarMarine]

That's a good run for an outboard!

[@cliffordwilliams9597]

@@DangarMarine Yes I reckon she's got another 33 years in her no problem ;)

[@erieflooring2045]

Great video. I have nearly the same motor and this has demystified a lot of the subtle tuning problems with mine. Thanks again.

[@92foxcarguy21]

Best rebuild video I've seen right to the point! 👉

[@sergiomoran8851]

In regards to the idle mixture screw, what would be the best way to know where the screw should be set?

[@glennmize9057]

Great video, it gave me the courage to tackle my two carbs on my 2000 year model 50 hp Johnson. I have a question. My outboard is equipped with the VRO2 unit that supplies both oil and gas to the carbs. Someone has bypassed the oil pump part and I just mix my own gas and oil. Can you put a regular fuel pump on this engine or an electric fuel pump so I can remove the old VRO 2 unit? If so, what pump do you recommend. You're video gave me the knowledge and the courage to be able to do this job. I will be doing the reassemble tonight. Thanks for your help from down under.

[@janicecoleman1766]

your videos are very informitive keep up the good service!

[@DangarMarine]

Thanks mate, glad they are helpful.

[@maggieanddavidcogswell9545]

This video was tremendously helpful! My 6hp tiller motor would bog down when I gave it any throttle in forward or reverse. I followed this cleaning procedure and it now runs great in forward and reverse! I noticed that every couple of times I put it in neutral, it would rev to max throttle and stay there even though I didn't touch it. It wasn't doing that before and wonder if it is a linkage issue or I somehow introduced a vacuum leak? Thanks again!

[@DangarMarine]

It could well be a sticking throttle plate. They aren't always hard linked so you can close the throttle but the spring won't return the throttle plate straight away.

[@jammer7318]

Hey danger thanks for all the videos! Say I’m working on a 1988 Johnson 90hp with the vro. I am having trouble find this nipple piece that I found was broken, it is located right under the top carb the spur was broken off not allowing new hose to stay on. It connects to the starboard side of the motor to which I believe is the valve cover assembly? Can you tell me what these nipples are for is it a vacuum or is it part of a recirculating system that takes unburnt fuel to the crank? I really have no idea what the part I’m looking for besides (nipple). Hey thanks for your time! Take care!

[@MadisonImages]

Great video as always. Thanks! Guessing this carburetor is similar to the 15hp evinrude 2-stroke, just bigger in size?

[@DangarMarine]

Yes, very similar in principle.

[@Jimbobfyrkant]

Great vid! I have an issue with the float; I set the right level, then at the end of the season it's rich and the float is back at it's original position? Ever came across that, and how do I fix it? I've done it as you did in the video, should I bend it with some heat applied?

[@DangarMarine]

Normally you wouldn't use heat. I can't say I've ever seen one straighten out again. If it does it is probably happening quite quickly so you could try bending it at night and then adjusting it the following morning if it has sprung back before reassembling.

[@craigsmith7932]

Appreciate this video a lot! Thanks!

[@DangarMarine]

You're welcome Craig.

[@dallaserickson4146]

How would I find out what rebuild kit I will need for a 73 65 hp Johnson. I just bought boat and carb needs cleaning. Never done it before so looking for some advice. I've learned a good bit from your videos.

[@bseachamp]

Great Video's you have helped me out a lot. After changing power pack, coils, plugs, wires, carb kit, fuel pump my 1990 25hp johnson surges/pulsates when at full throttle? Any suggestion on why its doing that. Thanks. D

[@JJJTaylors]

TOTALLY GUESSING but maybe old fuel line? Had that issue once line was collapsing on the inside causing it to starve for fuel at WOT.

[@serratedmiff]

Video deserves 1 million likes....

[@DangarMarine]

Thanks mate.

[@DowieFarm]

Awesome video! You are the best!

[@DangarMarine]

Thanks mate!

[@bassman8990]

I just picked up a tracker boat with a 93 Evinrude 40 hp. I did a cold compression test before doing a lake test & compression on top cylinder was 150 & bottom was 149. Did fine at the lake, but idles a little low & takes a little bit to get warmed up. Do those compression numbers seem too high? I trust my gauge but just seems high to me now that i think about it. Motor appears ot be pretty low hours & not used much over the Years

[@jonathonbaker9926]

Videos really been helping me out find a problem with my 1990 johnson 28 spl..i think im having a carb problem..itll start up run but onece i put it in forward gear then try to accelerate it dies..any pointers??

[@casalssecurity]

Thanks Stu great video.

[@DangarMarine]

Thanks Serge!

[@markcoombes4693]

Hey stu. I've got a mercury lightning xr 40hp 2 stroke. Was wondering if you know anyways of modifying this motor to produce more HP? Heard in some model you can tune the carb

[@DangarMarine]

Hey Mark. It depends where the motor sits in the model line up. I really need to do a video on this soon, but the general idea is that you change the carburettor jets and maybe the reed valves.

[@asteriks_hardcore]

Hey man question, ive got a dt6 Suzuki and do you think my engine will run better if i put a dt8 carb on it? Greetings Sam

[@nickpaulay7201]

Just bought a Johnson 25HP 1991 with electric start and remote control shifter but can't figure out if I'm missing parts for the shifting mechanism because looks like something bolts onto the engine with 2 bolts and below it is sort of cam. Was only given the cables. Does your 30 have the same setup?

[@luke0b708]

Hey mate, This is such a helpful video and channel. (subbed with notifications). I have a question, my carburettor (same motor as video) has nothing covering the front of it where there are 3 unused bolt holes. Is that right or should there be some sort of breather box? My cousin has an almost identical motor that has a plastic cover/box with a dial on it marked rich or lean.

[@kevinmorrison1553]

Nice video and work. Do you know what the 2 numbers inside carb represent? Located just below emulsion tube, one number above the other. 334 375. A different carb that looks identical has 332, 562. I’m trying a different eBay carb on my 28spl. Thank you.

[@ReapWhatYouSow]

Great videos! I recently purchased a 91 ranger with a 150 mercury black max, the dealer replaced the fuel lines. I was going to put a water separator on an noticed the diameter of the lines are 5/16, Are these too small? Do I need 3/8? Great videos!

[@DangarMarine]

Hi William, generally you would have 3/8 hose on a 150HP motor like that.

[@accountingstepbystep2229]

Thank you for another great video!

[@abemaysonet7291]

Ok boss, good vid. Although my 40hp evinrude has 2 carbs that I just cleaned. How do I adjust them to sing together?. Tx always for your input

[@DangarMarine]

These two videos should help kzbin.info/www/bejne/mKSrdICAo7eMb6M and kzbin.info/www/bejne/hJ_SpYSjo7Crga8

[@stevebraaten4951]

Great videos and very helpful...a question. I have an Evinrude 737 25hp...I want to increase the hp to 40. Are the carbs the same? Can I just change the jets?...what size? any other mods needed. many thanks.

[@user-hy2qg4yt6n]

These videos are great

[@michaelhoward3036]

Is the drive shaft spacer on all 30hp Johnson’s or just salt water engines. Took mine apart today and it was not there?

[@normandunnaganjr.5034]

Boss, I chose today to do the carb work🙀just wanted to say that I love your speed. I like how you rotate between half inch tools with extensions and spanners. I’m learning. To get to my carb, the starter coil assembly bolt came off but I got it under control, with some close tape. Still not sure how that goes back on.but that fuckers winded up and my carbs clean. Bout to use the vid how to place that spring I yanked hard that I’m supposed to save....bahahH

[@carllane8262]

Thanks for all the great videos. I am trying to get a 1975 25 hp Johnson that was run in salt water. It has been setting up for 25 years and I am learning a lot from you. Thanks again

[@DangarMarine]

You're welcome. :)

[@Scotty3ist]

Great video mate -jack

[@DangarMarine]

Thanks Jack!

[@ronpowell2373]

Only thing I would add is on older carbs, check the butterfly shaft for excessive play before you order any parts. Most of the butterfly shafts run 'plain bearing' in the body of the carb and once they get to a loose fit the carb is often considered 'worn out. No one sells a bush kit for these carbs, but any decent machinist can make a set of bushes and ream the carb body to fit the bushes and so return the butterfly shaft to a decent air tight seal.

[@DangarMarine]

Yes, once those shafts get flogged out they can become another vacuum leak.

[@jandjmca]

I have an older boat(1988 omc cobra 4 cylinder) and am switching to electric choke but am wondering if the hot wire should go to a ballas resistor?

[@g4321]

Hi Great video yet again :-) Could you talk a little about the air orifice Jet and the Main Jet sizing's? Using your video I just cleaned and rebuilt the carbs off my 1998 Johnson 70. The main Jet looked a bit crusty but I hadn't ordered replacements as I thought the service kit came with new jets and idle needle (which it doesn't of course). I noticed that the Air Orifice is a .60 and the Main Jet is a .54......so I swapped them over because the air one was cleaner!. Is there likely to me any negative effect of doing this and is the purpose of the air-jet just to control fuel flow within the carb? Also are the jet numbers actual sizes in mm or is this a volumetric related figure? Thanks in advance!

[@DangarMarine]

The idle air jet is a way to pass a small amount of air into the circuit that doesn't need to come past the buttery valve in the main carburettor throat. If it is too small it will idle a bit rich and if it is too big it will idle a bit lean. Putting it in as your main jet will make it run more rich as it is a larger diameter. Yours sound like they at .60 mm and .054 mm, but some manufactures will also label their jets as CCs per minute of fuel delivery so it does change from jet to jet unfortunately.

[@wtfjpgmailcom]

Hay stew i have a question i got a 25 hp 1985 johnson i rebuilt the carb and i noticed this carb has a manual fuel primer on the front of the motor. If you prime it then leave the primer knob out a bit it will run looks to be pulling fuel through the top little line to get it to run or idel is this Normal ???

[@juanstadlich2895]

Could you tell me if it has some kind of relenti? Thanks the video is excellent

[@jimh.5286]

I rebuilt the carbs on my Honda BF90A and it turned out that some of the low-speed emulsion tubes were cracked! These cracks can be difficult to see, and sometimes are only apparent when you blow carb cleaner through the tube (the cleaner blows out the side of the tube through the crack). So it's probably best with these old Hondas to replace the emulsion tubes.

[@DangarMarine]

You certainly have to look very closely at some parts to make sure there is nothing wrong with them. It's amazing how quickly a small crack in the wrong place can have a motor running very badly.

[@yelyab1]

That’s nuts, that a company recognized for quality and technology would put a component in a recreational product with such a delicate failure mode. I was a supplier to Honda. Their engineers thought they were Gods. Gods my ass, my engineers found and fixed their screw ups. No charge, it was like we should not let them make mistakes. What a rotten business. Retired many years ago.

[@gustavograngeflorentin1206]

Muchas gracias, me sirvió mucho, Saludos desde Paraguay

[@Carperama]

I just clean the carbs on Johnson 60 1991 and when I start it up it reves up like a dirt bike, full throttle? I didn't adjust my floats but I think they were low like yours were until you leveled it, could that be my problem?

[@mikevescio8585]

thanks for the info. that was awesome

[@jasonstevens1382]

How do you feel that a broken off prime hose affect my Johnson outboard??

[@MrLee20099]

Would have loved to see you setting the timing on that outboard. Mines way out and cant seem to find how to adjust it.

[@TheGnthreman]

Can you tell me what the bearing that is in the side of the bowl is for because mine fell out. I put it back in and sealed it up with JB weld.

[@mcarros]

Love the videos, can the emulsion tube parts be replaced?

[@TheMontanasv6]

Super! do you have video for how to change the idle lever (throttle) for Johnson 1970 40ESL70?Thanks so much

[@Donthitmyelbo]

Is there ever a time to replace the entire carb, instead of rebuilding or servicing? The problem I have is fuel starvation, persistent after two rebuilds by two different people. (water was in fuel line previously) I ask because a replacement is quite expensive and searching on the internet has not helped me answer this question. Thanks if you find the time to reply!

[@DangarMarine]

Yes, you can definitely get to that point. I was talking to someone the other day about carburettors getting blocked in a way that is almost impossible to clean, and sometimes things like the bushings for the butterfly valve can wear causing a vacuum leak etc.

[@TimsWorkshopTJY]

Hi Stu, Good detail video with lots of learning tips from experience. When I poked a hole in one of my floats I had to reset the new float level. I didn't have my service manual at the time and was using a Selco book. The info was wrong for my carb and when using the squeeze bulb it kept leaking from the front of the carb. when I got my mercury service manual it showed the right angle and how to measure it accurately. Setting carb floats are touchy. almost worth having a inside/outside caliper for setting dead nuts. Good news got my Dangar shirt today. Question, can I just send a picture link and do you have a way to print it there?

[@DangarMarine]

Hey Tim, yes, they are a bit sensitive and do need to be right. Glad your shirt arrived. Yes, a link is fine, I can print them here.

[@ppbt32]

Hi, I have an issue with a 110 Johnson j110tlcur, it has been serviced VRO disabled, issue is it runs smooth at first, taking a minute to go full speed on a 17.11 bass boat, then on the next start it takes longer to rev up and so on... taking apart carbs after the run, we find like an oil plaster on carb throats, what can be causing this issue?

[@LeoJoyaR]

Hey Stu, quick question, if my Johnson 60hp has two carbs, I would need two of the carb repair kits? Would appreciate a response

[@DangarMarine]

It depends. Check the contents of the kit. It may come with enough parts for both carburettors it may not.