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Rebuilding a Yamaha Outboard Carburetor
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- เผยแพร่เมื่อ 15 ส.ค. 2020
- This 1988 outboard carburetor was very interesting to rebuild. 1989- thru ~1980 had some parts in them that if you lost, your carb. was going in the trash. Mainly the four air jets on the main body of the carburetor. I looked everywhere and it appears the carb. to have would have been any 1990 and newer version, as parts were still available. A single replacement would cost you about ~$400.
You are the Bob Ross of carb rebuilds! Great detail and explanation in a calm and controlled manner! Awesome! Thank you!
Do you rebuild carbs for business
Thanks so much! Please subscribe!
@@charliehowell5059 I don’t however if you have questions about the rebuild process,
please ask. Thanks and please subscribe!
Thanks for taking the time to make this vid! I have a 1998 2 stroke 115 Yamaha with these exact carbs. Your vid is perfect.
Hi I loved the video I just did 1 carb and would not be able to do it without your video, best one out there. Thanks for posting it.
Thanks so much! Glad you like it. I’ll have more videos uploaded soon!
Love your videos, you do an excellent job explaining for the peons like me 😂 hope all is well as I've noticed there hasn't been any uploads for a while! I have a few questions on an omc 351 I recently purchased. Thanks Michael, keep up the good work.
What a TERRIFIC video. Thank you so much. Confident and inspired now!
I'm getting ready for the first time, going to try to rebuild my carbs on my 2001 yamaha 115 v4 2 stroke and I can't find a video that shows how to take the carbs off the motor from start to finish. I appreciate this video on how to rebuild the carbs thank you for that.
Happy to help!
Thank you, Michael, great video.
Thanks and don’t forget to subscribe!
Very good job 👏
Great video
Those brass plugs you had a helluva time removing using a punch. Little tip for you... use an impact screw driver. I got one from harbor freight that you hit with a hammer and it turns it at the same time. Good video!
Excellent advice! You know I’m getting one of those for the next time! Thanks!
See
Cutting torch tip cleaners work well for cleaning the jets
Great point!
Thank you buddy
Excellent!
Can also use a chisel forbthose brass ones being you can get a chisel same width
It's so much easier to loosen those big brass plugs before before removing the crowd. Again a well fit screw driver like you said. Lot of pressure, a few light taps and with pressure and quality screw driver turn with pressure and vise Grips attached to quality screwdriver. Easy-peasy way to loosen them up before the rebuild
Before removing the duel carb from the engine, not to crowd, damn spell check, sorry
? Float levels?
Great job! May I suggest a larger screw diver for the big braise plugs? It worked great when I did same carb.
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?
I have the same carbs, and I'm struggling the with the float height, I think!
Motor runs great on muffs, and will start on water, but within a minute or so, will stall out and not restart..
Great video!
Paul , please take the carbs out and rebuild them. These carbs get nasty real quick. I wasn’t able to see a way to adjust the floats. I typically do this on inboard motors. Let me know if you still need help and l I’ll confirm.
@@michaelromer2016 - thanks! Plan to do that this coming week.. picked up an ultrasonic cleaner in hopes out can do better than I by hand.
I've been through them a few times, always with the same result.. runs great on muffs, put it in the water, starts right up.. but eventually starves of fuel and will not restart.. not even on muffs.
Will keep you posted
Definitely a carb issue.
You need to set the float heights
@@jasonford2863 thanks.
There was two things I found before tarping for the winter.
One - I had one needle valve that would intermittently stick. I put a q-tip in a drill and cleaned the seat, that seemed to help.
Also, the new needle valves I had, the metal wire that wraps around them was too tight? The needle wouldn't freely move.. it was stuck.. I think this was also causing them to stick occasionally.
I went back to my original needles from when I bought the boat, and they seemed to move freely.
Set the float height, tuned it in the water, and all was well... Until.. I found water in my gas tank.
The boat ran in an external tank. I hooked up the main tank, and it dies within a minute. Drained the carb bowls, and the milky gas that came out was unbelievable. Gas wasn't that old, and was treated! No ethanol!
Had to put the boat away for the season, but looks like I'm in for some gas tank fun in the spring. Also ordered new needle valves, and a fuel pump for good measure.
An impact screwdriver loosens the brass caps without damage.
What's the part number for the jet that is hex and flat head, I need to get 2 new ones for my pro 150v
You forgot to clean the jets in the float bowl cover under the round plugs
Awesome video! I'm using it to clean the carbys on my 140 and its such a great help. Thankyou. Can anyone point me to a supplier for those carby kits please? I'm in Newzealand and all I'm finding is so expensive or the wrong parts. Thanks
Man I cannot get the air-intake jets to screw back in? I'm dropping them in and it looks like they're sitting perfectly above the whole but when I screw them they dont thread. Any help??
Very clean and neat video, congrats Michael!!....wright now I am dealing with a 130 hp motor with twin 6L102 621400 carburetors....I bought the motor 6 months ago but I noticed a high gas consuption so I took them off to chek them out and notice differences in the main air jets...the one below has #80 and the other has #220......do you happen to know wich will be the correct one. Regards.
I found my stock jet size on Crowley Marine website by checking the diagram for the carb
What would cause my 2003 Yamaha 2 stroke 150 vmax to use to much fuel any help welcomed please
Where can I order those carb kits for 89 Yamaha 200 v6
How do u chk float levels? This carb?
Main air jets just dont exist anymore?? What do you do if you mess them up then
I just rebuild mine and I have gas coming out from the top jets. Any idea why
So my father passed away and took the carbs out of the Yamaha so i dont know what one goes on the top or which one goes on the bottom. So how do I tell which one goes on? Top or the bottom on a Yamaha 130 v4
My kit brought two small orings. Not sure where they go. Same looking carb
200hp 1996 Yamaha
There are going to be extras on a lot of these kits. You likely won’t need them. Please subscribe!
I got a 200 Yamaha 2 stroke with 3 carbs on it the middle carburetor had no fuel in the bowls at all the needle and valve was stuck motor runs fine on the hose it revs up it will run for hours and hours on the hose but soon you put the boat in the water put it in gear under back pressure the RPMs drop and soon as you go to put a load on the motor it bogs and stalls don't know what the problem is
Did a compression check on the motor 115 to 120 PSI in cylinder any help would be great
One thing is for sure, these old carbs must be rebuilt periodically to make sure they are clean. It even sounds like you might have a fuel line clogged. The middle carb must be performing correctly before you go down the rabbit hole of troubleshooting other things.
my 99 looks alot like this one. my replacement gasket for the bowl was rubber looked to be touching the floats and keeping the needles from seating. had to trim them. have you run into this?
I rebuilt my carbs on a 89 225 with the same carbs. Randomly I get a float that wants to stick when I'm on the water. I took them apart and noticed the gasket tab behind the hinge of the float would catch the adjustment tab on the back of the float every now and then not allowing the needle to seat. I trimmed it off because I don't see a need for it and I'm anxious to see if this doesn't solve the problem.
Hey Michel, would you be able to tell me how many turns out your pilot screws are? I'm following this rebuilding the same carby right now
Cheers!
I believe you are referring to idler screws. Those typically need to be turned all the way in and then backed out 1.5 turns. Adjust as needed to keep the outboard running. Please subscribe!
The first two air jets you pulled out. Is there a certain way you got a put those back in?
They should go in with a flat head screwdriver. Please subscribe.
Do you have a video of how to remove the carbs from the engine?
Not at the moment but very soon!
Do you have a video taking the carbs out of the outboard?
I don’t at the moment but I will have something uploaded this month on that process. Thanks and please subscribe!
Holy crap! I have to carbs 89 yamaha 130 hp and one of the #60 air jet is missing.... Do you have an extra? Or do you want to sell me one? As you said there not available.....
Hi Michael!
I have OMC 4.3GL, the engine oil turn into milky looks, I knew the water have got inside. Volvo Penta SX Series is my out drive. I’m thinking go to local chuck yard buy a lowest mileage engine to replace my engine. Please tell me which car model engine it fit in my out drive .
Thanks.
If you do that, keep your marine carb. You need to remove the steel freeze plugs and replace them with brass.
Thanks
What websites that you order all your Volvo Penta parts?
What nice hands you have… lol
he seems a bit annoyed by the cicadas but i wish i heard then
m around here on my piece of Oklahoma
Bro you have my name
Wrong!..i had a carb with a missing idle jet... I picked up a newer model jet , it had a bigger thread. I picked up a bit and a tap.. 6mm by 1.o.... And installed the newer jet... Easy peasy...
You didnt adjust the float heights
Urgh!!! Just get a bigger screwdriver!!! The punch!! Noooooo!! Lol.
Off camera, I put the carb against a table. My helper held the carb down, while I had a giant flat head/Crescent wrench on it. It slipped. I also tried 3 runs of penetrating oil. I debated using a propane torch or punch.
Michael Romer just did the same thing 30yr old 2GC Rochester had to grind the hex head into a slot to use a flat head, nothing worked, heat oil etc... great job
Thanks! Great hearing from you.
Tolong bro terjemah bahasa Indonesia
not the right way to do it,, y need to blow it out!
Great comment. please hit that subscribe button. Thanks