How to REPLACE a Head Gasket on a Outboard Motor! (Yamaha 150VMAX)

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In today's video, I will be showing you how to replace a head gasket on a 1999 Yamaha150VMAX. If done properly you can save yourself a TON of Money.
Disclaimer: I am by no means a professional! This video is intended for entertainment and partly educational for those who like to "do it yourself".
Tools Used:
- 1/4" & 1/2" Drive Ratchets, and Torque Wrenches
- Assorted 10mm and 12mm Sockets and Wrenches
- Electric Drill and Impact Driver
- 320 grit, 400 grit Sandpaper, & Sanding Block
- Razor Scraper, Screwdrivers, Picks, & Assorted wire wheels & Brushes
- Microfiber towels, Isopropyl Alcohol
- Straight Edge & Feeler Gauge
- TCW3- 2 stroke oil, Permatex 592

Опубликовано:

28 сен 2024

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Комментарии : 92

@wmhattaway3108 Год назад

Exactly the instructions I was looking for. Thank you.

@austin.rivera Год назад

Glad I could help!

@paulwidomski8608 Год назад

I have an 03 vmax thats getting this treatment next week. Great vid!

@austin.rivera Год назад

Thank you, hopefully it’ll run like new!!

@mercman2.5 Год назад

Great job young man, doing by the book!!

@austin.rivera Год назад

Thank you!!

@ricksmith5230 11 месяцев назад

Thanks doing my 225 yamaha this weekend 🇺🇸

@austin.rivera 11 месяцев назад

Good luck!

@poysunivey Год назад

Yikes on the steel wire brush. It’s harder than the aluminum. I use a fiberglass strand wheel for that. Takes off the junk, but doesn’t hurt the soft aluminum.

@ChrisWrightDVM 2 месяца назад

Excellent video, except, you skipped over the problematic part of removing the bolts.... how did that go? Any tricks to not snapping one? Thanks....

@austin.rivera 2 месяца назад

@@ChrisWrightDVM using a smaller ratchet or wrench and not applying too much force to crack them loose. I would not recommend using an impact driver on them

@yeamanizer Год назад

Awesome video man! I’m about to do mine here in a week or so. When you said at the end to put a little oil, did you mean on the 12mm bolts or somewhere else?

@austin.rivera Год назад

Yeah the oil is for the 12mm head bolts. The 10mm jacket cover bolts take the high temp thread sealant. Good luck!

@johnkatakowsi9907 Год назад

Good Job!!!!

@glennsmith3526 7 месяцев назад

Best vid iv seen!

@the4hunters Год назад

Nice work!!!

@austin.rivera Год назад

Thank you! Cheers!

@wmhattaway3108 Год назад

What tool did you use to clean between the cylinders of the block?

@austin.rivera Год назад

Assortment of screwdrivers, picks, and a thin wire brush then flushed out with water. I would suggest a vacuum to suck all the crude from the cowling

@crazycrea Год назад

Did you use gasket sealer on a thermostat paper gasket?

@austin.rivera Год назад

Nope just the plain gasket

@crazycrea Год назад

@@austin.rivera Thank you very much, great job, i will be doing this tomorrow. Super helpful video .

@austin.rivera Год назад

You’re welcome good luck and have fun !

@ndiepagnes5904 Год назад

It's for sale?

@austin.rivera Год назад

Not yet

@michaelh7527 Год назад

I am going to help a friend with his 1990 Yamaha 2 cylinder 40hp this Thursday. He got it for a 100 and done a fantastic job cleaning and painting among others things. He however used a cordless impact gun to try and remove corroded head bolts 😱😱😱. He snapped 3 of them. I am going to remove the power head and use a drill press to drill them out, tap the threads and get it done for him. His paint job is gorgeous along with new decals.

@austin.rivera Год назад

Sounds like a fun project!! I was pretty scared with snapping the head bolts but I just used a normal ratchet.

@laybacklarry 6 месяцев назад

Nice video man. You speak clearly for your viewers to understand, and your work looked thorough. Im gonna hit subscribe 👍

@austin.rivera 6 месяцев назад

I appreciate that thank you!

@tomsproule5406 4 месяца назад

Can I call you and ask you a question about my motor overheating

@dangerousdeo5113 3 дня назад

This is absolute quality here! You deserve more subscribers for sure! Your clear, and too the point. :)

@austin.rivera 3 дня назад

@@dangerousdeo5113 Thank you! Tried to make it as simple as I could with no extra fluff.

@steveshackelford4911 Год назад

Awsome

@laurymari39 Год назад

😊❤️ You are an expert ‼️

@rubenimbriaco4612 6 месяцев назад

Muy Bien explicado more clear explanations

@fishawk90 Год назад

good job. am surprise an 23 yr old oil injected motor still idles that good.

@austin.rivera Год назад

Thank you!

@LorenBast Год назад

Great video.

@jimmyghersi Год назад

Great instructions and video Thank you

@austin.rivera Год назад

Glad it could help out thank you!

@knightcustombuilds6988 5 месяцев назад

Thank you! My Tohatsu M50d really needed to be reworked. Getting a small amount of water in the bottom cylinder. Should be good to go now!

@lenny7577 4 месяца назад

Do you not use gasket sealant for the cylinder gasket or water jacket gasket? ALSO what did you get that online pdf of your motor? Thanks man

@RyanJones-uj3nr 4 месяца назад

Dude what an awesome video!! Explained everything perfectly.

@candidoramirez9331 3 месяца назад

What’s the part number for the water jacket gasket?

@dirtybootsfishing2923 11 месяцев назад

Thank you for say the 15nm 11ft ponds an all u did me a solid bro gods great ❤

@nvietmonkey 10 месяцев назад

wow man, you are great! keep it up

@austin.rivera 10 месяцев назад

Thanks a lot!

@ianfrost1419 Год назад

Top stuff. Awesome video G'day from Australia 🇦🇺

@austin.rivera Год назад

Thank you !👍 Cheers from Florida!

@arnaldocorrea3388 Год назад

Wauwtuh boat mechanic 👌🏼💯✔️

@austin.rivera Год назад

Wauwtuh

@alfredoserrato9432 4 месяца назад

Very nice buddy...thank u so much ...

@skip3662 Год назад

What’s the best way to clean the bore’s once you finish sanding; Compressed air followed by brake clean ?

@austin.rivera 6 месяцев назад

I thought I replied but I used a clean microfiber towel or shop towels and then coated them with a little bit of tcw3 to prevent corrosion compressed air could work just spin the crank to make sure nothing got past the piston rings

@wmhattaway3108 Год назад

Thank you

@johnvazquez7531 8 месяцев назад

Intelligent young man! great and very informative video. Excellent presentation! Good job!

@austin.rivera 7 месяцев назад

Glad you liked it!

@yeamanizer Год назад

Just replaced head gasket and water jacket gasket and I’m still getting what looks like water in cylinder 2.. All compression was 108-110 on all cylinders.. Any help is greatly appreciated!!

@austin.rivera Год назад

Sounds like a possible warpage on the water jacket cover or a hairline crack in the water jackets. Did you check for the warpage on the water cylinder heads?

@knightcustombuilds6988 5 месяцев назад

Check your exhaust manifold, it has walls in it to cycle water, they can corrode and begin letting water into the cylinder. Be careful with the bolts though.

@JoshLuffman 10 месяцев назад

Where you losing compression in any of the cylinders before this?

@austin.rivera 10 месяцев назад

I didn’t do a compression test beforehand but the engine sounded strong I don’t believe it had any compression issues

@richardharris1349 5 месяцев назад

Water line on top of the head what that for can i plug it off

@austin.rivera 5 месяцев назад

I would have to check the manual but I think it’s for a sensor so I don’t believe you can plug it

@jamesconger Год назад

Gang gang

@austin.rivera Год назад

🤘🏽🤘🏽

@mohsenshehata3760 8 месяцев назад

Thank you for sharing this video

@austin.rivera 7 месяцев назад

My pleasure!

@hedriroque7998 Год назад

Thank you

@austin.rivera Год назад

You’re welcome!

@proudwhitestraightman8489 Год назад

I was gifted a mariner5. Haven't a clue where to start....

@austin.rivera Год назад

If it runs I say start with replacing the spark plugs, checking lower unit oil, and clean the carbs if it applies.

@proudwhitestraightman8489 Год назад

@@austin.rivera definitely needs to be broken down. I'm afraid to even try to pull. Any seals I'll need to replace?

@austin.rivera Год назад

Possibly yess I think it’s cheaper if you get a rebuild kit for the entire motor than to try and piece them out separately. That way you should have most seals and gaskets used when tearing the motor apart

@proudwhitestraightman8489 Год назад

@@austin.rivera awesome idea!!!

@Sportsmans_Paridise_Outfitters Год назад

Where did you get the pdf at?

@austin.rivera Год назад

I don’t remember the exact website but I got it from google I just searched for the maintenance manual on there.

@Sportsmans_Paridise_Outfitters Год назад

@@austin.rivera did you end up putting the loctite on the head bolts as well?

@austin.rivera Год назад

@@Sportsmans_Paridise_Outfitters I used some penzoil tcw3 two stroke oil on the head bolts, manual states Yamaha 2 stroke tcw3 oil im assuming it’s so you don’t damage the threads when torquing the bolts down and for better torque reading loctite was just for the cylinder head cover bolts

@fishydubsfishing6516 2 месяца назад

That looks like an old two cycle you I thought the young generation was for a clean environment you should throw that in the garbage and go four stroke it's much better for the environment they need to pass some kind of law banning all two cycle engine's in the water

@garrisonvandegrift1213 2 месяца назад

You gonna pay for him to get a 4 stroke? How about you quit worrying about the working man running a 2 stroke motor and go bitch at the 1% who uses private jets to fly from one of their houses to another.

@energeticplayz4671 Месяц назад

2 strokes are faster and lighter. Way better than a 4 stroke. 4 stroke only good on fuel consumption. Your dream will come true some day. They are making a lot less 2-strokes and a lot of people converting to a 4-strokes.

@cooperwithey3194 Месяц назад

Womp womp

@darrenshafer2298 Год назад

Very nice job young man

@austin.rivera Год назад

Thank you!

@darrenshafer2298 Год назад

What type of grit sandpaper did u use to sand the heads

@austin.rivera Год назад

320 grit then 400 grit I wouldn’t go lower than that.

@darrenshafer2298 Год назад

@@austin.rivera ty for tge response and answer.

@skip3662 Год назад

@@austin.riverabest way to clean the bore afterwards ? Compressed air then brake clean ? Just wanna make sure I get any grit out thx

@austin.rivera Год назад

@@skip3662 brake cleaner and some shop towels should then coat with some oil after. Compressed air could work but could also push the grit deeper in there. Rotate the the prop or driveshaft the the pistons can move and get a better clean

@skip3662 Год назад

@@austin.rivera that makes sense, I’ll stuff some cloth in there prior to sanding as well. Thanks Austin, 🇦🇺 👍👍