Saving a sunk Honda BF40 outboard motor
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- Опубліковано 30 вер 2024
- The new outboard for the Green Machine finally arrives. It came out of the blue and wasn't what I was aiming for, but you should never look a gift horse in the mouth. It turns out to be a 2004 Honda BF40 four stroke that had sunk, but at only $200 I just couldn't pass it up! This video goes through all the repairs I did to fix it after its sinking.
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I always enjoyed the serious of your videos about BF40. I own 1995 version of one myself for 7 years. Just wanted to share one hack that I come up with to fix water circulation in it. I replaced water pump but it is still have a bad circulation and used to burn my thermostat every 6 month. While replacing thermostat, I noticed white build up going all the way down to the system. Given that, I connected gear lube pump to water output and pumped a 2-3 quarts of CLR into the system. Flushed it with water after and it works like a charm from that point :) Water runs noticeably stronger and thermostat issue is not happening anymore.
$200 ? That just shows that knowledge is power. Great video!
Richard Howe yeah bro u can’t argue with that. That’s a quality comment
the video shows the orange motor. What is that call or what is the part nr for the is what I need to buy. but how am I able to buy it. All the other parts I have
7215801584 what's up
send a message if possible.
maybe buy it via eBay
but I don't know what that motor name
11:40
That’s the kind of learning you can’t ever forget *once you’ve had to do it twice*
Another decent video to watch while paying bills and sorting the mail. Thanks!
hahaha, the Snap-On truck, the Achilles heal of all Australian tradies
Mate had a bloody good laugh, as most of us did, about the shortfall in the finance dept, at least the cook didnt get the blame in this instance. I watch your videos and dont even own a boat but your content is interesting and I learn something which is always a bonus as love seeing how different motors, whether, land, sea or air work and so far you make the most sense. Retired in Hervey Bay now, a top spot for sure so who knows, might get a tinny and do some fishing. Cheers heaps
He sure is pretty good and the pricing comment was quite funny too,another very good guy to check out with regards to engines etc is Mustie1,he's on the north east end of the U.S.
Warms my heart to know a Honda got rescued from the depths to run again.
i really like watching your videos you are easy to follow and understand thank you
Thanks David, glad you're enjoying the vids. :)
What a deal on the motor you where really lucky it runs real nice and the controls weren't frigged up. The only $200 motor around here is a 1964 28hp Evinrude so you really scored. I liked how you went through all the systems and eliminated salting and water issues before starting. Learning something from all your video's keep up the great content.
Thanks mate, I was really lucky to score this one. Just happened to be in the right place at the right time. I'm pretty confident with the clean up job it has had, now I just need to get it out on the water and see how it goes!
@@DangarMarineStu i had the same stroke of luck this week, the guy who came in this week at marina asks "where is the scrap metal bin?, any chance you can help me toss this outboard (Honda BF20D)"
I helped him carry it to my shipping container workshop!
Hi!
My pivot tube looks very corroded, pretty much like yours on frame 3:59.
You say it's not worth it to disassemble all unit to get that out and repair, but i'm really aiming to do some preventive action to slow down this corrosion.
Do you recommend any product like, rust converter or something else we can apply on site without getting that part out?
Thanks a lot and keep up the good work!
Anyone knows the name of that corroded piece that shows in 3:56? Will help me a lot if you know the part number.
Your videos are fabulous. A great resource but really interesting too. I've got my dad's seized seagull from the 60s to tackle when I can muster the knowhow.
Great value for money, more so when you have the skills and tools to fix things yourself..... plus it's a Honda 😁
I got an old 9.9 for 300?!? You got that for 200 that's insane sunk or not
I was certainly lucky, that's for sure.
Yy Morgan™
Great use of our old friend, WD-40, for the purpose for which it was originally designed.
Water Displacement Formula # 40 was originally created to displace water in Minuteman Missile components.
After every time my old boss would take his speedboat out ,he would spray down his outboard with wd40 then wipe it all off.
Can't tell you how useful this is for looking after my old Honda BF50. This is much easier to understand than the manual :)
My F40 2009 has a defective high pressure fuel pump.... a nightmare. For whatever reason the dealer did not replace it when the bulletin was the released by Yamaha. I was chasing after an overheating issue because it seemed temperature related and it is. But no alarm on the control, raised alarm! Why did it not sound upon RPM roll back? Fuel starvation? But it worked fine when cold. The HP fuel injection pump! I read forum and ordered a Quantum after market for $69 USD... hopefully this is the problem. It all points to it. Maybe it is low pressure pump too? The dealer gave me a kit free given the history operation was successful other than one broken nut.... aghhh the 2 bolts look the same but were different and ended up getting stuck in the block.... solutions?
We dropped a Honda 40 hp off the back of a dingy into 35 feet of water in the Caribbean. We couldn’t get it off the bottom so we called the charter company where we rented the catamaran. We tied a bleach bottle onto a line to the motor and gave them the GPS coordinates. A couple hours later they came out to retrieve the motor and took it back to the dock. We watched them disassemble the motor spray it with freshwater take a few bits off spray with air then oil and WD-40. They then reassembled and started the motor. Incredible. From that point forward I always bought Honda motors for my outboards.
Steven Schmidt It’s not the fact that it’s a Honda it’s the care they gave it! I know one Mercury that has been swimming 8:times and it still is running fine! The kid that owns it is an expert service mechanic! I dare say he can disassemble that engine with his eyes closed. He is a sailor too. Dingy engines get dunked a lot! Maybe because the sailors get dunked a lot. Oh no I did not say that did I oh goodness I did
I have a 1992 BF45. starts on the first try everytime. those things are tanks
Now and then we get a smile from the gods of salvage hovering above us, and you, sir, were granted absolutely fawning smiles from them all with this find!
Beautiful engine, really immaculate condition considering what might have been. And you basically 'stole' it for A$200.00! Beyond sweet!
Love your vids, dude, rock on!
Good choice on that BF40. I own one and I am very happy with the performance and reliability. I bought mine to use on a small boat I built from scratch. At the time, the BF50 cost less than 10% more and I seriously considered going to that, but the 40 was a better fit for that boat . Now in retrospect, I wish I had gone the extra bucks. I am restoring a 62 year old 16 ft fiberglass runabout and I want put the BF40 on it because it is such a (low hours) nice running engine. So now I really wish I had the BF50! Oh, and if I was to buy a new engine, my choice would be the Tohatsu 50. Keep up the DIY boating videos, they are really helpful.
Yes, I've been really happy with the BF40, it has run perfectly so far. I too would consider the Tohatsu if buying a new motor.
You would have to put that in the bargain of a lifetime bucket surely? Is there a big difference between a BF40 and 50hp of that year? Often it is just a cam or timing difference for that 10hp difference with 4 stroke carb engines. With 2 strokes it was often a main jet , but in 4 strokes you can't do that without causing issues. But that extra 10hp may be worth chasing as you have so little invested in the engine so far. As for the starter, I base such decisions on my own time being worth $20/hr to me. So for about 6hrs work cleaning the starter up, about $40 in bearings, another $40 for brushes, and $60 for a new end cap, plus the run around time / shipping costs, that $300 starter was the way to go.
Hey Ron, I'm certainly going to start doing some research into the different Honda models and see which ones shared the same block. I'll let you know what I find out.
Awesome! I Love seeing someone restore and repair something like this. I'm sure it will give you a long life and great service!
Thanks mate, so far it has been running really well.
Love your vids, it's like actually enjoying being at school and learning something. One constructive comment would be that if you struggle with something like you mentioned at 11.30, perhaps you could show us how you got round the problem. We'll likely struggle too, so could probably learn even more if an expert shows us how they've solved the issue. Nevertheless, I wish you were my neighbour that needed an extra pair of hands, I'd be round your gaff every night.
Motor and parts, less than a grand.
Stus knowledge and skills, priceless!
The man has the skills to pay the bills.
Thanks mate, this motor is still going strong, it was certainly a good score. :)
@@DangarMarine You did well to preserve it.
Honda, Yamaha, Tohatsu for me.
If aint from Japan, no thanks man.
Bwwww ha ha ha ha greasing the shaft.... less awkwardly
absolutely! If you bought the new motor you would not have made this informative and great video.and you must of held back the the laughter and joy when it started first turn of the key :)
This motor has been used every since day since I made this video and it hasn't missed a beat yet. Such a bargain!
Thanks for quick answer, is there’s a difference in procedures of treating the outboard between freshwater and saltwater when the motor sinking?
Not really. With freshwater you don't have to be so thorough with hosing the block down to get the salt off, that's about all.
I know its abit late but that Blue 18:18 oil should be Ozzy's Own Penrite 70w-90 gear oil....
its handy being blue when you have oil leaks
penriteoil.com.au/applications/other/marine/marine-gear-oil-75w-90-full-syn
I should also have a talk to Anglomoil about marine gear oil. These factory is just a few doors up from us so you can't get any more local! :)
This Yank loves your channel it's like going to school for a subject I have no knowledge in and walking away feeling like I have at least some understanding of how these engines work now …..thank you
8.5 k short, you crack me up. Your not related to Russell Coight ?
You mentioned at the end of this video that you chose the Tohatsu 50 before this motor came along. What made you finally decide to go with the Tohatsu?
Good question. A big part of it came from a personal recommendation of a person that sells and services Tohatsus as well as the other major brands. He felt they were smoother, better to work on and lighter (for good reasons) All their gauges were NMEA by default and looked good to me. I could get them locally, and maybe a bit of "a change is as good as a holiday". :) In the end is what a few things, but I would still say it was a very close race.
I like your video's they help out a lot thankyou Russell
Just WOW!!! $200 for a Honda 40 hp 4 stroke that now runs. Congrats. Don't think there was much risk, if it didn't run, you could part it out on Ebay.
Yeah, it was a very good deal. It hasn't missed a beat yet and has been used every day since it went on the boat.
Hey, great channel and you explain things really well. I've subbed! Wow, $200 dollars for that Honda motor! My brother has the same motor in tiller steer and I'm very very impressed with that motor, so quiet and efficient. I am from Canada and currently own two motors, 1994 evinrude 20hp and an 04' merc 125 so I'll have questions for you at some point ha ha ha... Thanks mate!
Thanks mate, glad you like the vids, good to have you onboard! So far I'm really happy with that motor, it's been running really nicely. :)
Give me a call if you are coming to Norway, I really need your expertise on outbord motors :)
Will do! ;)
This was an excellent and very interesting video... I love your work and follow all that you do... All the best & Cheers !!!
Thanks mate, glad you like the videos. :)
That was funny towards the end there hahahahah
Just stumbled across these videos! Very enjoyable , thanks for sharing your knowledge with us. Well filmed and good instructions. Subscribed.
Thanks mate, great to have you on board! :)
One question.In the gearbox, Can you go on mineral and synthetic gl 5 oils or should you stick to just one type?Ex only mineral etc.
Great video, it’s like the outboard equivalent of Wheeler Dealers. You are easy to follow and watch. Great outboard too!
Thanks Richie!
Great work on the video, I just flipped my tinnie, with a fuel injected bf40 on it, this video has been invaluable, I have the engine cranking, will replace the starter for reliability, but the loom has issues, I'm hoping not full ECU and loom change required. Where's a good place to look for second hand parts?
Last of the V8 Interceptors. Would've been a shame to blow it up!! The paraplegic mechanic in The Road Warrior.
Impressed and very grateful. Great man.
Old boat motor Manchanic here in Tennessee.USA...l go way back... Thanks very much !!
Very enjoyable to see you struggle through, using knowledge and skills and learning more. then taking us with you on your journey. Only just caught up with this channel. Like it a lot, especially the no nonsense approach. Good on ya :)
Thanks Tony, I'm really excited about this project. :)
Nice very competent and clean explaining. Thank you so much man.
Please where can I find that video about the carb cleaning of this honda bf 40 you've been mentioning?
I've got the bf50 thats started to die on me in idle run.
I will subscribe definitely.
Hi Peter. This video is on general carb cleaning (actually a Yamaha) ua-cam.com/video/ye_Ui9D8dBE/v-deo.html but I do need to clean one of the Honda carbs again as the tuning video will show soon!
Thanx mate
Very kind of you.
No sweat
I'll be waiting for that then.
Skydiver b
Another brilliant video. Why would anyone sign up for Sky when you can watch quality "real life" and learn? Thanks Stu!
Luke reading textbook. You covered that motor well.
A guy is willing to give me a boat for free that is sunk in his boathouse. Its a 24 foot cabin cruiser I/O from the mid 90s thats had the engine submerged during high tides (theres no water during low tide) for probably 5 years or so I was thinking of taking it on if we can get it out of the water. Do you think it would be worth trying to rebuild the original engine or just convert it to an outboard? He thinks the hull cracked around the out drive.
An engine that is repeatedly submerged and then exposed to air is going to have very bad corrosion. It would be cheaper to replace and rebuild most likely.
@@DangarMarine Ok thanks.
One of the best outboard motors IMO in the United States we call those Hondas the Grey Ghosts because many police boats use them and you cant hear their engines when they are following you at night without any running lights they like to sneak right up to the side of your boat to make sure people aren’t drinking or smoking Marajuania on board one night my best freind and i were riding on someone else’s boat and the two of us had not noticed a police boat only a few feet from us as it was a Inflateable with the Honda motors on it eventually the police turned on the strobe lights and we both were surprised how close they were to our boat he and I laughed later about that one because the officer said he was idling on the dock we were on at a restaraunt and watched us having drinks there he wanted to check the paperwork on the boat and the drivers sobriety which was legal as they only wrote a warning On safety equipment and let us go on our merry way which was a short distance to our final destination for the evening ! And yes i can also relate to being under budget on outboard motors to the point i almost hoard them when i find a decent deal on a used one BTW ive owned 17 or 18 boats so far in my life and i probably wont stop anytime soon in my defense i grew up in Florida and we lived only 13 blocks from the Atlantic Ocean and about a hour and a half to the Florida Keys both of where i fished and Scuba Dove quite a bit
I enjoyed that video and learned a lot too! Such a calming, soothing voice for these as well. Can you do something on the proper installation of the prop nut? I am never too sure how tight they should be or what kind of play you should have. Thanks
Hey Stu, That blue gearcase oil is Full synthetic. I use it in my Tohatsu Tldi and have been really happy with it.
Yeah, I'm seeing it a lot these days, particularly in the Mercs.
thanks for all the great info and tips like blowing oil through the cables. Gonna build myself one of those rigs today with a oil recovery loop so I end up with a closed system. You've really done a great job man, I've learned a lot from watching you trouble shoot your way through some of these projects. Thanks
What a brilliant idea! The hose trick is fantastic!
Just watched this as a follow on from your other great vids . What a steal for 200 !
I'm certainly not complaining! :)
Great videos. I've learnt so much from you. It'd be neat to see you diagnose and bring back to life more of these 'wrecked' outboards.
Thanks mate. I would also like to do more videos on diagnosing rather than just specific repair jobs.
That was a steal! I wish I could get one for my 14 ft boat. I bet it would FLY with one of them.
I really love your videos. I was an auto mechanic for 35 years before I became disabled, and I love boats and learning something new. This is a field I never worked on before in any depth on boats, so this is enjoyable for me.
Enjoy your videos mate. Cheers from USA
Thanks mate, glad you like them. :)
Greetings from New York City: Outstanding......impeccable job. It's hard to find an honest mechanic. Where are you from..........I have friends that bring mechanics to City Island, NY to work . Flight and accomodations are arranged while the work is being made...... Good Luck Friend. "jcisko" or "American social media the people rules".
Thanks mate, glad you liked the vid. I live in Sydney Australia.
Loved this one. Learned tons. You`re a natural. Informative and entertaining.Throw in a few more jokes and perfection !...What a steal !!
Great find. I hope you do a video on installing the fuel water separator. I'm going to install one myself and I would like see how you do yours before I tackle the job.
Yep, will put putting a water separating fuel filter in this week. :)
Fantastic find and video! Enjoyed every second. Thank you, hope you get many years out of it.
Thanks mate, so far it is running really sweetly. I think it will last a while. :)
"there are ways to put grease on a prop shaft that feels less awkward than others'" HAHA I needed a good laugh.
Glad you got one. :)
Alfa badge on green machine and those stripes on the wall.....awesome
Nice work! I would love to se this engine in action on the green machine!
Thanks Mikael, I'm really excited about getting the boat back in the water now and seeing how it goes.
I see the front forks on a motorcycle! By the looks of them it’s no rocket but still, kudos mate 👍🏽. I’m a huge fan of motorcycles 🏍
In that case you'll probably like my Dangar Motorcycling channel too! ;)
I just subscribed! Great work man! Now get a 05 zx6r that sputters and dies after 2hrs of riding randomly and fix it because that’s what I’m dealing with. 3 different mechanics and 2 dealerships can’t figure it out. I’m stumped haha
Honda makes great small engines for sure, hope you did yourself a favor and saved the old starter, clean it, put it back together and set it on the shelf
Corona 2020 bored
Love your videos, easy to follow, Queation, i want to install a temp guage on my 2000 BF50 Honda, can't figure out where to install the temp sensor on the motor.
Hi Mate, I have a suggestion. I like the idea of blowing out the control cables to remove sea water. I had the idea to blow a bit of alcohol through them first since alcohol mixes with water. Then shoot the oil in. Could remove more of the water, but its just an idea.
Giving it a clean with alcohol first sounds like a good way to go.
420 quintrex busta is now around $15000 mark these days with a 40hp The motors are worth $8k for a 40hp $7k for a 30hp .. Mercury is probably the cheapest if you can get a Japan Version not the American one japan’s better .. and I wonder why he is saving money Who has $8000 on new motor.
I've got one of these on the back of a small houseboat I recently bought. The tell tale is more of a drip, the idle hunts up and down, the revs catch at around 2000 then once over that hump spool up smoothly. Have put a new external fuel filter on, changed a fuel hose and adjusted the fuel/air screws. It idles better but obviously needs a carburettor clean out and the cooling system needs an overhaul. I think you might have convinced me to persist with it, get a shop mechanic to do an overhaul and save a few bucks, well, compared to buying a new motor.
Hi ...Yes, I will put it up in my channel ASAP ...😊👍
very good video. previous one and this. i am still wondering what you ended up doing with the tip of the hull.
Thanks mate. So far, nothing. I think I need to come up with a good plan for that one as I'm worried I'm just going to make it worse if I don't get it right. I should show some more close ups of it and call for some advise.
Looks like you got a great deal!
I hope so! I haven't seen it running on the water yet but all the signs are good so far.
First time viewer. Enjoyed the vid as outboards have always fascinated me. Are there any torque specs for some of the nuts and bolts, especially the prop?
Keep em coming👍
The service manual for each outboard will give you the specific torque specs. Props aren't tightened very much at all. Snug it up lightly and then turn it until you can get the split pin in the first hole.
YOU THE BEST ¡¡ FAVORITE OUTBOARD VIDEOS ¡ THANK THANKS ¡¡
Thanks mate, you're most welcome. :)
Excellent commentary, and "thumbs up" on your apparent good fortune....! All the same, I'd wager she'll be fuel hungry.....?!?!
Thanks mate, no, this motor is pretty good on fuel. It gets the boat up on the plane at about half throttle so it isn't too thirsty.
Great video.
I got one of the carburator honda bf90a that where sold as 50hp and on the back they put "50pro" what they did was limit the amount of throttle you could accelerate (4500rpm max)wich right now I cant seem to find that piece to make it accelerate and develop the 90hp if there even exists one, only way to "fix" it I see is getting the cable conection closer to the wheel to increase travel but it will also require more force. Have you come across these engines and know what ppl did to make it develop the 90hp? (open carburators to 100%)
The enthusiastic barometer psychophysically brush because cloud distinctly miss beneath a rhetorical wednesday. evanescent, puzzled sock
Hola soy Angel. Te rogaría que pudieses hacer los videos con la opción de traducir los subtitulos al español. Tengo un jonhson de 40cv y me interesa mucho tus videos. Saludos y gracias.
I have 25 HP 4stroke engine gas can't enter to combustion chamber @wont start but if you put gas in the chamber it will run or the engine will start..can you help me guys....
Great vídeos
Hi! Can you tell me what's the name of the piece you pointed at 3:56 minute? You help me a lot if you know the part number. I'm wondering to buy a Bf25 but that part its pretty corroded and would like to replace it. Thank you in advance.
I’d say greasing a porpshaft in the privacy of your own shed is less awkward than the checkout when buying KY and 3 zuchinis...
Sweet motor & another outstanding video! Here in the U.S. when 4 strokes have been submerged, a common practice is to pickle them with diesel fuel. The diesel is supposed to inhibit corrosion. Have you resuscitated any outboards that were pickled with diesel?
Diesel is really good for all sort of jobs like that, and as an added bonus it is a lot cheaper that anything you buy in a spray can so you can use lots of it. I've also seen it pumped in a recirculating tank to unseize motors too. Methylated spirits also has its place because it is water soluble and will carry the water away with in. It doesn't have the protective qualities so Methylated spirits first then diesel second is a good combination.
Good save on the Honda. I noticed you did nothing with the rubber hose on/in the lower unit ... That is a feed from a built-in "pitot" tube facing the front of the lower leg. It picks up water pressure from the slip stream and will signal a water pressure speed-o-meter. Nice to have when you are trimming/tuning. Compare speed to RPM, etc. Next time you are in there, tidy it up and route up the leg to the transom clamp. Simple vinyl tubing will get the signal to the dash and your new gauge. It's a handy Honda feature :)
I have a Honda BF150 and when I changed the impeller it took maybe a minute for the telltale to start squirting. I guess it takes some time for the water pump housing and the cooling lines to fill. Maybe?
Cool motor for 200$. Australia is very nice country)
It was a bargain. Very happy to have it! :)
Incredible!
Saved some serious $$$ there not going for the 50hp Tohatsu, assume it would have been a four stroke too. I put a 50 hp Tohatsu EFI 4 stroke on 2 years ago new , had some minor problem with the tilt solenoids, now has some odd ticking noise that it's never had before.......
For sure it saved me a lot of money. It's still running really nicely without any troubles at all.
Just got a new to me 95 BF50A BAZL-200xx mostly like what you worked on. NOW I have half an idea what is under the various covers - thanks especially the look see of the shifting/control box & cables - A vary pleasant way to spend a bit of a Sunday evening!
Hey Tim, glad you enjoyed the video. I'm sure your Honda will give you plenty of years of good service. :)
Great information thank you for all your teaching tips have a great day Chris from OHIO 🇺🇸
Hi...it's ok ...found the problem...seized thrust washer to the gearbox casing....thanks for your help!😊👍
Cool. Did you just give it a yank or soak it a bit?
Epic, just bought 2 older abused BF20's sight unseen and have to go through everything before first startup
Great again. How do you know if an aftermarket oil filter or fuel filter is the correct type? I went to Supercheap with my Yammie 25 filter but couldn't work out which ones were compatible.
Good question, I'm trying to remember how I found that out. Auto stores very rarely have any parts match for outboards. I would start by searching the original Yamaha part number and "cross match" on the internet and see what you come up with. I think that's what I did.
I know you use wd 40 as corrosion prevention , but as and electrician I would never use that .. contains kerosine , water !! Lol flammable conductors .. use anti corrosive electrical grease .
I just watched the other vid you were referring too and I cracked up at the intro to this one
Those are great motors and super quiet. Don't leave fuel in those carbs if sitting for over a few weeks. Or at least with US fuel the ethanol clogs em up quick if left sitting in the bowls
Say bro i have the same motor what is the rubber hose that comes up from the gear box
It's the pressure sender for the speedometer.
Cool bro thanks
Were you a sumpy in the RAAF cobber?
I suggest a battery powered impact tool would be kinder on the skeg!
Hey Stu great vids, great memories. Spent my whole child hood and teenage years fishing Pittwater and the Hawkesbury. The bridge pylons were always a mecca for big Jews on a tasty yakka. Currently own a 1987 4mtr Stacer runabout with a 2003 30hp Johnson 2 stroke so your videos on this motor are great. Still have the original 1987 johno 30 which came with the boat which I think has thrown a bearing on the crank as it matched the symptoms you described only turning a little bit but not seized. Might have a go at fixing it. Currently living in Brisbane fishing Moreton Bay . Great videos and thanks for the memories.
Thanks Trev, glad to hear you've been enjoying the vids and they have been helping you. Good luck with the fix, could just be bad roller bearing.
What happens to the engine when it drops into water with a key while it is moving at a higher speed. Does engine switched off immediately it sunks into water or it keeps moving until the fuel in the quabulator finishes. Please help l lost my Marine engine a week ago. I checked where it was dropped but I couldn't find it