Jet Ski Restoration Series Pt. 3 - Engine Rebuild

After figuring out the engine in the Yamaha SUV 1200 detonated, we are now rebuilding this beast.

[@bahamasking2063]

Good job. Waiting on part 4.

[@balmoreCruz]

Great Job!!!! Is good to see young people working on engines

[@LifeofAedan]

Thank you sir!! Always good to receive kind support.

[@nelsonmelendez1612]

Excelente video amigo muchas gracias

[@korsion]

Excellent video.

[@LifeofAedan]

Thank you so much!!

[@Xlandy2]

Great work can wait to see it on the water

[@LifeofAedan]

Thank you!! Me too!

[@RealSuburbanCowboy]

Newton meter, not nanometers. I knew what you meant. Great video. Excellent job on doing that cylinder by yourself. Those suck!

[@michaelc6522]

Great video one thing I have done to install the pistons in the bore is I use large Radiator hose clamps to compress the rings and once the piston is in the bore I undue the clamp all the way works pretty good

[@LifeofAedan]

Great idea. Definitely gonna try that as I struggled quite a bit.

[@davidcozzi373]

Good job on your videos. Saying hello from the Cozzi’s

[@LifeofAedan]

Hey! Thank you so much!! Nice to see you here. :)

[@rlion614]

Good shit crofty!

[@sandasylum2503]

Good job!!! Wish I did a video of myself rebuilding a motorcycle engine I did a few years back but awesome to see!

[@LifeofAedan]

Thanks! That woulda been a cool one to watch. Now you know for next time haha.

[@dustinbohn8764]

never use a impact to reassemble, and most people that rebuild engines use assembly oil to reassemble.

[@LifeofAedan]

I only used the impact to put the screws in finger tight then finished off with a torque wrench. Nothing wrong with that. Assembly lube was one step I missed in the video yet I still added it everywhere

[@coreykerdman-andrade9211]

Not super familiar with engine rebuilds, and am about to go in on a wave runner too, so thanks for this vid! Might be asking you some questions if you don’t mind haha

[@LifeofAedan]

Haven't seen this until now. KZbin seems to favor some people over others and I don't always get notified. Feel free however if you haven't finished and good luck!

[@FloridaBikeSupplyOnline]

need to get a microfiber cloth to wipe down the surfaces, keep out the lint. Great video

[@silverxgt1125]

You are talented, awesome video, I don't think I could do that repair without some expert guidance, just got watching Pt 2, so many parts to carb, wow.

[@LifeofAedan]

I just saw your comment, I hate the youtube notification system. 😠 Thank you so much!! I am by far no expert, just trying to learn everything I can to become one 😁 (hopefully). Carbs are complicated, explains why EFI is a thing. Yet I still prefer carburetors lol.

[@vladimirlopez7840]

Nice job young man. If I may say you seem to get quite snippy when people offer constructive criticism. And I know it may get old seeing the same comments hundreds of times but if you are to continue to make videos and have your channel grow it’s something you have to get used to.

[@LifeofAedan]

Vladimir Lopez thanks for your comment and I appreciate your kind words. I appreciate all kinds of criticism and while some of my responses may not seem like it, my intention is not to be rude or scare people away. I know I am not perfect and neither is this vid all of which can be perfected by the comments I receive. Sometimes I may go off as rude and like I mentioned not my intention but unfortunately it is sorta my character. Although, if people comment in a rude fashion I will return that same attitude, maybe you saw one of the comments where I did that. Once again, thanks for the feedback.

[@xani9133]

Nano meters is a distance mesurement. NM on your torque wrench means newton metre.

[@jasonrobbins4664]

you can use a hose clamp to compress the piston rings to aid on reassembly.

[@LifeofAedan]

Thanks! I assume the skirts don't interfere with the bolt on hose clamp. I tried over engineering this by using a soda can and gave up real quick.

[@mulski100]

The little thing that comes with the Yamabond is not a spartula. It is for the back of the tube. You can roll it up do add pressure to the tube like a can of sardines.

[@dugangant]

This made me chuckle a little when I saw him do this!

[@LifeofAedan]

Ahh! Although that is 100% true it did get the job done and leakdown test was successful. Hopefully others see your comment.

[@marioandersen5095]

remember to use some 2 stroke oil on the pistons when you are putting new pistons in so you dont dry fire them

[@LifeofAedan]

Thanks for your comment, big mistake on my end missing that step. I did it off video in which I should have mentioned.

[@tommytwotoes3880]

You should use LOCTITE on all your threads to keep them from vibrating loose later on. Also, that is not a spatula. It is a key to roll the empty tube around as the material inside the tube gets used up.

[@LifeofAedan]

Thanks for your comment! That was a goofy mistake on my end as it looked like a putty knife and "spatula" was what instantly came to mind. My videos are not scripted so naming things can get confusing. Also, great suggestion with loctite, while doing a inspection, one of the case bolts came loose. I can only imagine how bad that would be if more did.

[@luiz-mg8yw]

Mint

[@racoon126]

I need help with the larger seals on the pto side. I have aftermarket seals , one seal has 4 nubs on it , does it go inner or outter ?

[@themtunesthough3500]

You should make videos more often I like your videos

[@LifeofAedan]

Thanks!!!! I'm trying my best. Doin a few repairs right now. Might make a few off of them. Currently working on reveal haha just waiting to put ski on lake.

[@elvisjairosilva2206]

What happen with the end of the jet sky... I'm from colombia and I see ur videos. I love the mechanic. Continue with that, it's amazing.

[@LifeofAedan]

Thanks for your kind comment! I am so happy you enjoyed it and can't wait to finish series. The ski is running great, waiting to get more footage, it's currently winter here where I am 🥶 after taking it out of storage for mid winter startup and fogging again, the condensation from our finnicky weather has destroyed the starter motor. Fortunately I found a cheap new replacement.

[@elvisjairosilva2206]

@@LifeofAedan I love all the engines. Cars, planes, boats, jetski... but you disarmed and later armed that engine so easy. I wanna do that someday. Sorry for my bad English. In my country the Spanish it's the native language. Lucky with the starter motor.

[@LifeofAedan]

@@elvisjairosilva2206 thanks! I may have made it look a bit easier through editing, but I appreciate the compliment! It's definitely a great hobby and interest to have. Facinating machines that get even cooler once you learn more and more on how they work. Never be sorry about your language, everyone speaks different languages and unfortunately there isn't that one universal one.

[@juliorojas8383]

Great set of videos. Where did you find the tech/assembly documentation?

[@LifeofAedan]

Thank you! I used a manual for a XLT1200. They are relatively easy to find online for free.

[@markcanady4292]

How did you remove the crankshaft from the case? Did you apply heat to open the case?

[@gerardrusso9642]

great channel when are you posting the running video of the jet ski

[@LifeofAedan]

Soon!! Hoping next week. Filming Thursday.

[@gunner1387]

Good video coat cylinders next time with 2 stroke oil and if your rods have play might as well replace crankshaft bearings while your in the bottum end

[@LifeofAedan]

Rods were suprisingy good, almost out of spec but manageable. Should have replaced bearings while I was down there as you said. At least I know it should last for a few more seasons.

[@joseacd01]

Hi im assembling my gp1200 engine looks like yours do i have to worry about timing on this engine?

[@Maxspeed7Dab]

Where did you get your yama lube? And you said you can use 3m bond on the crank case, correct?

[@LifeofAedan]

I run Klotz and amsoil actually. People do not like yamalube unless you are trying to maintain warranty. I use yamabond on the cases, not 3m bond. Here's some links to help you out. Yamabond: www.ebay.com/itm/New-3-oz-Tube-YAMABOND-4-Liquid-Gasket-Maker-Engine-Cases-Side-Covers-Motor-/283621187084?_trksid=p2349624.m46890.l49292 Amsoil pwc 2 stroke: www.amsoil.com/lookup/pwc/2001/yamaha/waverunner-suv1200/1200/?volume=us-volume

[@akshunwill]

That “spatula” is not a spatula. That’s a key for twisting the end of the yamabond tube so that you get every drop of yamabond out of the tube.

[@robertegnatuk1174]

Did you use all the different kinds of loctite on the bolts they call for?

[@LifeofAedan]

No not usually, only when mounting engine to engine mount brackets

[@seancroft5334]

That’s where my lifting straps went

[@nitesh0w]

so you said not to use rtv for securing the carburetor manifold to the engine. what would you suggest to use instead? yamabond?

[@LifeofAedan]

It's hard to say. There's all different opinions on using it, some say do others say don't. I'm a non believer in it unless the service manual calls for it. My opinion is, get the mating surfaces as clean and smooth as possible, get nice gaskets and put it on dry. I'm no professional but do you see rtv when taking it apart for the first time? If it was supposed to be there the product designer would have used it. That's my two cents, like I said some will disagree but I go by manufacturer specs.

[@cuban3054l1]

Do you have a link to where you got the oem crank oil seals ?

[@LifeofAedan]

I use partzilla.com. Their website is very easy to navigate, if you have trouble, let me know.

[@ethanmobley2836]

When are you gonna post again??? Looking forward to seeing more

[@LifeofAedan]

Weather is getting good so expect something in a month or two.

[@Coast_life]

12:46 Thats not a spatula that came with the yamalube 😄😄. Its a key that goes on the bottom of the tube. You turn it to make the lube come out. So none of it is wasted.

[@LifeofAedan]

3rd time hearing this 🙄 but hey thanks, all criticism is welcome!!

[@mickotoole4795]

Hi aedan would you have a diagram of where the water lines go on my Yamaha 1200 suv ....I think I'm going wrong sum were.👍👍👍

[@LifeofAedan]

Hello, unfortunately I don't have an exact diagram, but here is an assembly of exhuast which contains most of the cooling lines. cloud.croftnas.com/index.php/s/ezqGXgqkfT5FKir If this doesn't help feel free to email me at [e-mail] from there I can send detailed instructions and even videos if it helps

[@tommyeagle1256]

Not a spatula bro. That is used to roll the bottom of the sealant tube to get the maximum amount of sealant out of the tube. They used to include those with toothpaste back in the day.

[@nomame7413]

How much in parts is it to rebuild a jet ski engine like this? Curious for a potential side project.

[@LifeofAedan]

$1200 more or less. Don't fully remember.

[@Rodneysmallengine]

Smart kid. Good job

[@LifeofAedan]

Thanks!!

[@montneymon-ta-knee6810]

your so called spatula that came with the yamabond is actually a tube squeezer slide it on the bottom of the tube and twist

[@bullrc]

About to pick up a GP 1200 to rebuild. Having trouble finding the crankshaft seals, where'd you find yours? Thanks!

[@LifeofAedan]

I get all my oem and some aftermarket parts from Partzilla. Trying to get affiliate link rn. Look like they have your part if you could send me year.

[@bullrc]

@@LifeofAedan Thanks for the reply. It’s a 99

[@bullrc]

@@LifeofAedan www.partzilla.com/catalog/yamaha/waverunner/1999/wave-runner-gp1200-gp1200x/crankshaft-piston What numbers are the crank seals? Looks like 18, 19 and ?

[@LifeofAedan]

@@bullrc you are spot on. Don't forget 20 on the opposing side as well. Also inspect the pto collar (12). If an oil seal loses lubrication it can damage the collar. Mine had grooves in it.

[@williamtheconqueror4563]

One BIG question. How do you know/learn all this??

[@LifeofAedan]

It's really hard to think about how I started. I've always had the urge to destroy stuff and fix it, since I was like 3. I grew up with an old atv in a very touristy town, it would always break down. Being touristy, mechanics around here are quick, shitty, and very busy. I wanted to try and take matters into my own hands, I started basic with breaks, exhuast, carb tuning and chain adjustments. I really enjoyed it so I started taking apart engines. This became a primary hobby for me. I learned mostly through hands on experience (the best way to learn) and mechanic advice. The one commitment I made which goes against my own videos is to never watch videos on how to work on things. It's the easy way out, read a service manual, follow it page by page and soon I was able to just start working on things without them. I learned standards on how stuff is assembled and now I run about half of my repairs off of knowledge. Now ofc I didn't give you all the details because id be typing for days but just dig into something, preferably old and broken down, if you ever get lost don't run to KZbin go to a well known mechanic and ask for help.

[@ezjuliani]

did you check the crank shaft to see if its twisted, also did you change the needle bearing before you install the pistons? all new pistons and a new cylinder too?

[@dugangant]

I doubt it I think this the cheap diy version. Lol

[@dugangant]

I wonder if checked piston ring end gaps also? Things that make ya go hmmm.

[@LifeofAedan]

Yep yep and yep, although it might seem like it, this wasn't intended as a tutorial. I am not obligated to provide every single damn step of the process, only the basics. I had a service manual along side me the whole entire time. As for cynlinders, honing was done by a good friend who owns a machine shop.

[@LifeofAedan]

@@dugangant umm pardon me... Did you not hear the intro? Something about lost footage.

[@luiz-mg8yw]

Try to put the next video out as soon as possible pls

[@LifeofAedan]

I'll try my best 😁 thanks for your interest.

[@Kyle_702]

Life of Aedan I’m waiting

[@LifeofAedan]

@@Kyle_702 I'm waiting for warm weather lol

[@juergenlohse6902]

Did you ever thought about becoming a clocksmith?

[@crtrading6225]

great info. i recently rebuilt mine also. hows yours running. mine is still in break in period. have you done compression test on new cylinders. i'm curious to know yours. mine are: mag 109, c 110, 107 pto.

[@LifeofAedan]

Yes I've done compression test. 119, 118, 118 m-p. First rebuild I missed the crank seals, thanfully the power of editing hid that. Didn't run at all that time, after that, ran decent but wasn't making enough smoke. Finally, I replaced the head gasket the last time, and didn't use copper spray and compression was near factory. Runs great with the hose attracted but unfortunately it's winter here

[@rocrfella]

@@LifeofAedan Those are really good numbers. I wondered why the huge difference between those two rebuilts. What was your method when testing the compression, warm engine, cold enginne, throttle held while open or closed?

[@LifeofAedan]

@@rocrfella yes I was pretty happy. My guy in Michigan does a very good job honing. I test warm as clearances are in spec and that what it runs at, full throttle to allow Max airflow.

[@crtrading6225]

@@LifeofAedan with bigger bore your top speed to increase too. when summer comes, i'd like to know your top speed and your carb tuning technique. i currently tuned mine on the richer side, just to be safe. oil deleted because that was the cause of my piston failure. the line didnt come off but it was clogged.

[@crtrading6225]

@@LifeofAedan i tested my compression cold and didn't have the throttle wot. i'll test it again when i look at the spark plugs after the first tank.

[@andredesouza9767]

I delete my 2 stroke oil pump on my 1200 SUV the best thing I ever did !!

[@LifeofAedan]

Same here! Reliable as ever.

[@mrcotter2531]

Primer knob to replace choke from shopsbt.com on my SUV, along with Mikuni carb rebuild kits from bayareapowersports.com & my SUV starts up 1st time & idles like new 👍🏼

[@LifeofAedan]

Awesome!! Sounds like you did some great work! I love my new primer mine too starts up quick!

[@n3tr01]

How about the piston timing? can you show us?

[@LifeofAedan]

Just seeing this now, thanks for your comment. I don't fully understand what you are asking but will try my best to respond. Timing a piston is not a thing, while gapping the rings is, if that's what you are asking. In terms of timing, the crank position sensor is the only thing we care about with these 65u engines. Because it is mounted to a fixed position and the flywheel only goes on one way, there is no need to have a concern for timing unlike a four stroke in which timing is crucial.

[@joerivas9219]

Where’s part 2??

[@victorgrotle8876]

Next time you put on a collar use the nut for the crank

[@LifeofAedan]

Thanks for the idea. Never actually thought of that.

[@maurisurfer81]

Dude next time don't forget to lubricate the cilinders before to put the piston in. You risk to scratch the cilinder's wall.

[@LifeofAedan]

Thanks for your comment and spotting that out. Very important part of process. I actually did apply assembly lube but off camera. Probably not the best move on my end 😬

[@rogerasberg4346]

olja i lagerbanor och kull lager.

[@LifeofAedan]

@@rogerasberg4346 well you know two strokes run on oil and gas? Both oil and gas go through bearings anyways. Man's just saying you need to apply assembly lube to cylinders.

[@rogerasberg4346]

@@LifeofAedan jag vet hur en two strokes fungerar . bara de att den hadde skurit så är de bra att olija in lager glidlager så de inte går tort.

[@libertyforamericanow]

18:59 lmao that's not a spatula. Its made to put on the end of the tube of sealer and twist to push sealant out. Plus you used to much sealer.

[@worldstarrapdz9638]

U need to oil the pistons before inserting it and use a plastic hammer 🔨 instead ...

[@LifeofAedan]

Ahh good point! I will be updating the tool inventory before the next rebuild. Appreciate the suggestions.

[@bigfootisrael9440]

I am currently working on rebuilding my SUV 1200 engine. Where did you get your service manual from?

[@LifeofAedan]

I provided a whole group of SUV owners with manuals and useful documents. Here is a link to my server which contains the manuals. The service manual isnt for the exact model but almost everything is exactly the same. cloud.croftnas.com/index.php/s/6WTTqe9P9cmnBic

[@bigfootisrael9440]

Life of Aedan thank you so much but the link did not work, it said it has expired. I didn’t get a notification that you had responded to my comment until now.

[@LifeofAedan]

@@bigfootisrael9440 weird, when I get home i will fix it asap

[@bigfootisrael9440]

Life of Aedan THANK YOU!!! A lot of good information on there. I just bought the PDF version for the actual SUV 1200 service manual. If you want me to I can email you a copy just so you have it and can add it to your cloud.

[@LifeofAedan]

@@bigfootisrael9440 no problem, glad I could help!! I bet you noticed I have service manual for an XL. They are relatively the same but not exact. If you would like to send me it that would be great! Thank you so much!!

[@kevg644]

5:42 Nm is Newton-Meter not nano

[@LifeofAedan]

Okay I think I messed up there. I was referring to length not torque actually. When I red the service manual though I think I confused nm with nanometer. Thanks for spotting that out.

[@exoc1]

@@LifeofAedan Hehe. A nanometer is 1/1000th of a millimeter, that would be a very small screw. :p

[@exoc1]

I should add that I'm impressed that You do all this by Yourself at 16.

[@Hugo-Hernandez]

You look really young, how did you learn how to work jet ski ?

[@LifeofAedan]

Great question! I grew up always trying to figure out how stuff worked, in fact, my favorite show as a little kid was How It's Made. I destroyed lots of stuff just to see their internals and how they worked. For a while I have had a DIY mindset, actually started with computers, which led me to believe that if I try I can work on almost anything, including my ATV and Snowmobile. I hated watching videos on how to do stuff like this because they never seemed to show what I was looking for so I always went out and got myself service manuals, took classes, and studied engine concepts. For the jet ski i used my knowledge and followed the service manual almost verbatim in order to not only make these videos I hope are helping someone but also to rebuild an engine to make it work like new. It also helps to know mechanics, like my neighbor and even go to dealers and talk to their mechanic when they are off job, some like the guy I met at a nearby dealer are very willing to share their knowledge. I like to believe that if you think you can, you can, with the right attitude and positivity.

[@LifeofAedan]

To clarify, the class I took was very basic and I knew almost everything in it, I'd say I learned more from talking with my teachers and asking them questions. I am only 16 so yes I am young, and lucky enough to have an auto class in my high school.

[@Hugo-Hernandez]

@@LifeofAedan Wow, you are only 16!!!!!!! You should definitely go into Engineering for a career. Stay focus man, you will definitely do really well in life. I bet your parents are really proud of you.

[@LifeofAedan]

@@Hugo-Hernandez Thank you so much! Engineering is definitely a plan. I'm trying my best, I sure hope it pays off. Once again, thank you!!!!!!

[@bigfootisrael9440]

I am currently working on rebuilding my SUV 1200 engine. Where did you get the service manual for the engine?

[@grantpickens2704]

Nano meters?

[@LifeofAedan]

oops lmao

[@codymiller4062]

You do realize that's not a spachula right its for the tube of gasket maker

[@LifeofAedan]

No kidding! Ofc I knew that, didn't know what else to call it at the time. Called a spudge or something like that.

[@LifeofAedan]

The dowel piece is also called a Woodruff key. Still learning terminology

[@thebrotherhoodlc]

wheres part 4 bro

[@LifeofAedan]

Coming soon!! Hopefully next week.

[@n3tr01]

can I apply as your apprentice?

[@LifeofAedan]

lol maybe one day! I am doing most of this out of personal interest and am only working on family vehicles. But who knows, could start a shop one day and hopefully I'll remember this comment! Cheers!

[@gavster1961]

You didnt prime the oil.

[@LifeofAedan]

Correct, off camera switch to premix. Just want to look as oem as possible to help others although if I were to keep it, I would have paid the consequences.

[@zechariahlemmon8227]

No part 4

[@LifeofAedan]

In the making

[@drewgormley6933]

Where's number 2?

[@LifeofAedan]

kzbin.info/www/bejne/sIi8pZt-jrSDeas

[@drewgormley6933]

@@LifeofAedan I like your videos quite a bit young man, but you'll have a greater channel over all if you used identical titles for each video, adding part 1. part 2. part 3 on the end, and then, if you must, :additional info For example, part two should be titled JET SKI RESTORATION SERIES PT 2: YAMAHA SUV 1200 CARB RESTORATION Your current title HIDES part two from people watching your vids in a row

[@LifeofAedan]

@@drewgormley6933 thank you for the tip! I will definitely consider your recommendations.

[@lifehouse6939]

Where are you? Are you looking for a job

[@LifeofAedan]

I'd love a job!! Due to corona I got laid off and won't be going back. I'm in chicagoland, and Nekoosa Wi on weekends. If my location fits your criteria feel free to email me at [e-mail]