I Bought The Most Powerful Stand Up Jet Ski
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- Опубликовано: 27 сен 2024
- I buy a 1992 Kawasaki 750sx stand up jet ski and test it out. #Power, #Ski,
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The following video features activities performed in controlled environments by knowledgeable persons. DO NOT attempt to duplicate, re-create, or perform the same or similar activities at home, as personal injury or property damage may result. 2vintage( Joe Weber, the persons shown in this video and ANY CONTRIBUTOR, ARE NOT LIABLE FOR ANY such injury or damage. ALL 2vintage( Joe Weber) CONTENT IS FOR ENTERTAINMENT PURPOSES ONLY.
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On jetskis, you should start the engine first, then start the water. Unlike a boat, they don't have that rubber impeller to get ruined if it is dry. If you start the water first, it can get into the engine through the exhaust. There should be an "automatic bilge" on the machine, and it uses a 1 way valve. Sometimes they fail. EASY FIX! Really not good to start those in such shallow water. They suck up the sand/dirt and that ruins the impeller/wear ring, and also plugs up the cooling in the engine.
That's exactly what happened... he introduced water into the crank case. I learned that lesson the hard way. But, whether he knew it or not, he did the best thing you can in that situation... get it into the water ASAP and run the shit out of it.
Yep. A little bit of research goes a long way when dealing with machines not in your wheelhouse.
I’ve ran skis dry for several minutes with no damage. They’re not as fragile as you all think.
Fun when they run..
Shouldn’t that billage pump be running whenever there’s water in the crank case
The classic color scheme from 90's!!
X-TREME!!!
TELA CONPRO
I love it ! With a tye dye shirt haha
Love the late 80’s early 90’s stand ups. So much I’ve acquired 5 of them now. 🤙
#80's Death Machines! It's amazing we survived at all?!😂
Thanks for the memories - the stand up jet skis were all we had when I was young. Definitely spent more time in the lake! 😅
We always found the started easier by removing the choke and replacing it with a primer. If you ever find a Yamaha Superjet pick it up too! Good bless Joe
DEFINITELY supposed to start it first before turning on the water.
Idk how many times we told Joe to do this. Lol
@@Do_It_U_WontI will
Why?
@@xploration1437 it’s water cooled so I could over heat and the engine could blow up
@@Huntersprojects I know that, but why start the engine before turning on the water?
Bought one of these awhile back and could not get the hang of it lol I probably looked a fool on the lake 😂
!!! 🤣🤣🤣💪🏻💪🏻💪🏻👍👍
The water hose flush kit isn't for tuning and you need to have the motor running before turning it on. It is only to flush out the cooling system after riding like in salt water. you should not tune on the hose. There is no load on the motor it won't be right. The Keihin carb sucks and doesn't like to keep prime or idle. You will tune for a whole day and the following week it will be out of tune again. I run SBN Mikuni 44 on all my skis. oh, and it sounds and looks like it isn't getting any or enough fuel it doesn't sound right. seems very hard to start and wants to fall on its face. i bet the throttle response is terrible.
Yeah go with a SBN44 as fast as you can. I cant stand those Keihins they used on the Kawi's.
They do make great Carb's but not those stock Carb's lol..
You need to be in deeper water when you start that thing. You are gonna ruin the jet drive by sucking in sand and rocks. Btw, you’re missing a bolt in the top of the engine on the right side.
Riding those things is a workout! A day on the water is absolutely exhausting! It brings back memories of bruising all over!! I had a lot of respect for guys who could do tricks and make it look easy..
As untrained you didn't last an hour...🤣
The sound of jet skies in the distance on the lake are like Cicadas singing and gives those summer vibes.
Dont start the water on the hose without the jetski already running otherwise you will flood the engine through the exhaust. Also jetski's without killcords usually are set to stall at idle
The ones that didn't have kill cords are aligned to always turn . The ski is designed to do a circle to come back to you. They just idle in a circle.
@@catfisher420yeah i mean most people set it so it shuts off at idle
Sound advice. I gave him the same advice about the two other PWC's that he bought. There's a guy on the channel that tells him that it makes no difference whatsoever so good luck with that… They'll find out when they Hydrolock the motor and wonder what the heck happened. Meanwhile the hose will continue to run in the background… L O L
@@ar2043 He's also trying to start it in the lake with the intake grate smashed into the muck and sand.
750SX commonly has an issue at the fuel tank vent. The fuel tank vent is located under the hood on top of the tank. Of the 3 hoses coming out of the top of the tank, the vent is the one that goes forward (runs up the handle pole). There's a check valve in the device on top of the tank that the 3 hoses come off of. If the vent check valve acts up, it'll struggle to build and maintain pressure in the tank to pump fuel to the carb(s).
Also, they are notoriously hard to start for the first time when it's been days/weeks since the last. Some add a primer, which I've wanted to do but never got around to since they wear out after awhile and create a pressure leak.
Instead, all I do is locate the fuel return line that runs from the carb to the fuel tank. Pull that line off the carb and blow into it. This will push fuel up into the line that provides fuel to the carb, doing the same thing a primer does. A cheap wing nut hose clamp holding the line onto the carb will make this quick and easy w/o needing tools yet will have the security that the line won't come off while riding.
If you just used the choke alone without priming it, you end up having to run the starter for so long (15-45 seconds) that you put lots of unnecessary wear on the starter. Plus, a battery that's getting old might not handle it, where it would still have another couple of years if only needing to run the starter for a normal 1-2 seconds.
Dude I literally just had this issue with mine
@@JFish5 Right on. What'd you end up doing to address it?
Also, a buddy of mine who raced 750SX's in the late 90's early 2000's (specifically only had SX's, not SXi or SXi Pro) recently told me that the plastic straws sticking down into the fuel tank for the fuel pickups can get hairline fractures in them up high in the tank, causing some issues with it's ability to draw fuel up.
@@cbh148 just have been having to prime it a lot before starting
Dude that is very cool that thing is badass and he's done a lot of things to take care of it what a score
I remember trying to ride one of them stand ups in the 90's. I couldn't get up on it. And the jet impeller was aimed right at my ball bag and junk, and jetted right on it. so painful. I got rid of it needless to say the next day and got a 2 seater side by side, waverunner, Which was pretty neat. you'd sit side by side, and the steering wheel could be moved to the right or left.
Kawasaki SC, known nowadays as the Super Chicken.
Got to try harder
I cannot believe you didn’t see the two nuts missing from the valve cover
2-stroke -> no valves -> no valve cover. It‘s the air box.
@@mikebk7807 it's aWlll GuD.
I don't think that you're necessarily rich. I would be looking for either a problem head gasket or a problem exhaust gasket that's allowing water into the combustion process. The thing sounds like it's trying to combust with a partial water mixture. That would explain the washed out spark plugs, the sludgy mess blowing out your exhaust because of water getting into the exhaust system/combustion process. Worth checking.
never run a hose with a 2 stroke jetski engine off. you will fill the exhaust and engine with water. only when the jetski is running can you turn on the hose, you must shut off hose before shutting off jetski. its likely your carbs arent setup right because these came with a small pin 750 and a single keihen carb. someone likely slapped the twin carbs off of a big pin 750 and never tuned them.
I was thinking the same because the twin carb came in 95 not 92
750SX was single carb and sold in '92-'95 model years, 750SXi was twin carb and '95-'96 (1 year where both were available). So that '92 was originally a single carb. Wonder if just the twin carb/manifold setup was swapped over or if the whole engine was swapped. The cylinder porting changed for higher top end power for the SXi engines, but I've got an SX engine with the SXi carbs in my '95 SXi and it doesn't feel any different than when I had the original SXi engine in it.
I have a 93 750sx with dual mikunis 40s, its a good all round ski, plenty of power. Never ridden a stock single carb sx or an sxi so i cant say exactly how they are different.
Anyways i manage 46 mph on flat water with Gps (with a solas scoop grate on) , and i weigh 205-210 lbs, so i'd say its like the sxi HPwise (70 isch horse).
Good thing about the sx is that they apparently got more holeshot power/low end power than the sxi, which from just a few years of experience i can tell is way more important than top end, even though its fun to rip at higher speeds.
Good allround power for all types of riding.
My cousin has a 94 sx which has the single carb but he upgraded the reeds and put a timing advance. I have an 02 sxi pro which has the dual carbs and I can say that his has way more low end power then mine does even tho mine has almost 15 more hp. His will run faster then mine but I think that has to do with hull design more then anything
Even if this was a 3 hour video, I'd watch it all over again. I can't wait for the next one...dont leave us hanging for too long
loving all the watercraft vids recently
Ski on water on, water off ski off. Not sure if it matters on these but usually it backfills the cylinders like the other guy commented
You have to start it before you add water or water can backfill in through the exhaust. Remember these from back in the day!!!!
I absolutely loved that ski back in the day, exact ski. It has a great hull design that makes it easy to stunt, my FX-1 actually would win in a drag race though even being a 701.
You need Charlie as yer crash test dummy on that thing 😅😅
Hey Joe, when you check for spark ground the plug to unpainted metal. Paint and powder coat can act as an insulator.
Love it Joe,Kwaka even better brother!👊👍👌🦾🦾👍
Same color scheme as my 1995 yamaha yz125, I like it!
Don't mess with the diaphragms before trying to lean out the low speed T screws with it running and NO water on. The ''spooge'' at the back is likely from running the water before starting it. You can run it for at least a few minutes with no water at all...while you tweak both screws for throttle response and leave the high speed T's alone until you try it on the water under a load.
I had an old 550 back in the early 90’s. It was the hardest thing to lean to ride. Once I got it, it was a blast. Wish I still had it. I took it to my local Kawasaki dealer for an issue and they wouldn’t touch it, because it had no vin #. Sold it cheap for parts. Buyer beware and lesson learned.
Do not turn on the hose before its running!! And very little pressure. You're probably filling the cylinders with water.
Nice.
I own a '94 750 SX and a '99 SXi Pro.
My '94 has a west coast head and Coffman exhaust.
Always start the jet ski with no water going threw it and after you get it running turn it on if you try to start it with water going threw it you could hydro lock the motor
Close to a dirtbike but without all the scrapes n bruises when ya lay it down!!!lol! Well ya conquered the hardest part about it of gittin upright on it so when you tune it up it'll b easier for ya stayin up n goin!
For the love of God STOP TURNING ON WATER FIRST ski on water on water off ski off your flooding the engine with water
What?!
You put the ski into water before you use it right what the difference
@@dirtbikedion3233water isn’t pumping through the engine when it’s on the water. Water hose forces the water in.
@jondotcom8706not the exhaust portion.
My seadoo manual says motor on then water. Specifically not to do it water first.
I see there are two valve cover bolts missing now!
I noticed that too! Valve cover bolts are magically disappearing!
Looks so clean 🤙🏼
Start engine before turning water on to avoid hydrolock!
Turn ski on then water, do the reverse when shutting off turn water off then ski give a couple revs to clear it out.
I'm only a few minutes into the video and I noticed it has a '94 hood.
747 Jet? Apache helicopter? Humvee? if it's got an engine this man will buy it, lol
that things sick! love the videos with all the water stuff! keep it up. love the ODI lock on grips he put on that thing those are nice grips. for sure its running rich.
The Odis I have on my sxr 800 are life changing over stock. I run odi on all my stuff. They are awesome!
@@ToddleyProductions i know i run them on my quad they are great!
Agreed. I run ODI Rogues on all my stuff. $10 grips that outlast most Chinese motorcycles...
Yup ODI grips turn you into Travis pastrana overnight 😂😂😂
@@benschlack5814 😂😂
Man this drives me nuts the anxiety. Knowing that people lie to you when you buy stuff like this just drives me crazy the fact that it seems like there are no honest people left in this world. The cool thing is that you're a mechanic and you know how to work on this stuff. The average person would not know how to do these things. I'm a mechanic myself almost 40 years in the making and it absolutely drives me crazy when people lie to you about certain things just to get ahead in life. What they don't know is that they're going to have to answer for all these crooked actions someday.
The kawi 750 sxi are the fastest of the 750 class back in the day..the SX 750 came with a single carb setup stock from the factory. I had a SX and a sxi .when I put a dual carb setup on my SX ski it made such a big difference and improvement in power.. 👍👍
There’s two lines running to the impeller housing. One is for the engine cooling and the other is for the bilge. I bet it’s clogged.
Grey spooge is from water getting into the crankcase. There’s enough comments about this already.
Assuming it’s similar to my 89…you need to tune it on the trailer in the water under load. There’s a hi/lo speed screws on the carb(s).
Ski on -> Water on -> Water off -> Ski off... Any other order you're just asking to flood that thing
Definitely not running right .use the trailer as a run stand in the water strap it to the trailer .carbs need work
I see you have really took to the water lately Joe. Nice one.
That exhaust stuff is the water that went into the engine that was on before the ski was started but it'll be fine
I have an 89 Kawasaki 550 almost identical to this I got it when I was like 20 needed rebuilt started rebuilding it and wasn't able to ever get it finished and ended up selling it as Parts I really miss that it was fun to ride when It ran
Turn water hose on after after after you get it running… it’s ok to run it a few minutes without water..hydro lock ..water on plugs/ need to turn over with plugs out.. and pour a bit of transmission fluid and wd 40…
Spin that all out…throw a towel over everything u don’t want oily
Be careful!!! Sounds like “Jason” is in your neighborhood!!! Safety first
Start the engine first. Then ad the hose water. And by the way. Kawasaki made a 440 that was the first Kawasaki JS.
I have an 89 Kawasaki Standup.👍🏼😎Need to get mine painted and new pads.
Looks like we're starring over the top of Frieza's head from dragon ball z 😂
Stand-up skis are really temperamental and will easily flood if you don't know how to ride a stand-up ski well. You have to be very aggressive with them and always keep giving them gas when riding them or they will stall. You should always have a very well-charged battery so that they will start because once your battery starts to lose a little bit of its power you will have a very hard time starting it. All stand-up skis take on water. That is normal to have water in them after you ride them. The more your jetski is submerged, the more water it will take in. Take in too much and you will sink it. And unless you had a floatation device attached to your GoPro, consider it sank to the bottom of that lake. People find GoPros all the time when they wash up shore at the river but they are always broken because it can take years for them to eventually make it to shore if they ever do. Never take out anything on a standup ski that you can't afford to lose unless you have it connected to something that floats or you will eventually lose it no matter how careful you try to be. Sitdown jetskis are a lot more stable and reliable because they are built better and can not be submerged like standup jetskis normally are but they are not as fun to ride because they are basically just little jetboats. Remember that all jetskis are not made to withstand as much as you might think they can. They break down all the time but that's just something that you need to get used to if you want to get into this hobby. One thing for sure is that you will need lots of water toys to choose from since you can expect that some will always be broken and you will need to bring backup toys with you or your weekend at the lake or river will be cut short for sure.
Instant flashback to playing WaveRace 64. 😮
And like others said. Start the ski first then turn the water on it can go up the exhaust ports and into the cylinders
Yup like everyone else said you were drowning it good thing you didn't hydrolock it. Check them carbs start it first then water. Shut off the water then engine.
You should really wear a Kill Switch Tether to your life jacket.
But next thing you should do is two Keihin Carb Rebuild Kits, or even better a Mikuni SBN44 Carbs conversion. Even a single Carb would be okay really.
Plus single Carb is just way easier to tune and set it.
It should start up when its hot basically instantly.
Install a primer kit as well. It will really help the Cold Starts ALOT and keeps the Battery from getting drained down from cranking
If not after that then most likely bad Crank Seals.
Also you almost ruined the jetski with all that water from the hose lol
They only need alittle water after started up to flush them out or keep it cool.
But always start it first...!
The water is normal from falling like that.. Once you get to ride it fast it would be pumped out if it has the stock siphon pump as well
You could replace the Hood Seal if you wanted to make it more water tight.. But you got the bilge pump.
Just get a switch for the handlebars for it...
I wouldn’t worry about the idle. A lot of guys set it to zero on standup skis including me. If I fall off of it and my kill switch doesn’t work, I don’t want to keep idling.
Your merch t-shirts should say…”Looks Purdy Good”. Great videos/channel. Love watching and have learned a ton!! Keep ‘em coming!!👍🏻👍🏻
Kawasaki designed this small watercraft with 3 main parts: A powerful two-stroke engine, a high capacity impeller, and the maniac standing in the back :-)
You know what, Joe? This was certainly a stand up video and I enjoyed it thoroughly as always! Practice taking off on your belly then standing once you get going.
Love my sxr800
Sorry to hear about your go pro!
Living the dream
Man that ski is pretty cool. Glad to see you get it going and have fun with it.
I feel your pain on the GoPro. I lost one filming one of my vids. In Canada with all the accessories like yours it’s around $600. Love your vids man. Always enjoyable and you never give up.
Great video…….shame about the GoPro, but things happen. Keep up the great work sir.
There's nothing wrong with starting laying on your stomach and then kneeling once you plane off. I believe that's how they were originally designed to start
you blip the throttle, little hits. Place a knee on the tray and rest your forearms on the side gunnels. It helps to 'blip' the throttle when in deep water, it lunges forward than halts as your use your forearms/shoulders to pull your other knee into the tray. You can just press on the side gunnels to 'sink' the back to get a knee up & in. Give it more throttle to get underway, move your knees closer to the choke/fuel selector knob.
When you have some clear water in front of you, go to standing position. You ride with your dominant foot BACk in the tray. If you're porpoising, (nose bouncing) move your other foot's toes closer to the choke. To 'trim' the ski. Lower the handle pole so your torso can shift forward. You cannot 'hang' off the back of a stand up jet ski. unless you're doing tricks. Which come later.
They feature several of the 80s versions of these at the end of Police Academy 3 during a big water chase, they also show the Honda VTEC version of he Suzuki WetBike you have.
You get an A for effort. A lot of my buddies had your model ski. They were constantly in the shop. Maybe it’s just the nature of the beast. Enjoyed the video…thanks.
Hell ya getting into water crafts now
I can tell this video didn’t go as expected but it turned out awesome
so the sxi is dual carb and the sx is single carb, made only a few years later, old man had both and we still have the our kawi 1100 triple zxi, so if the ski is a sx and it has a twin carb motor they put a zxi twin carb into basically the same ski
I used to tinker with those old stand ups. Nothing but trouble. Hours of work, for minutes of pleasure. Then back to working on them.
You should change your channel name to “The starter assassin.” 😂
You should get a pro rider to rest it out. That thing has so much power. You haven't even shown the tip of what that jetski is capable of. And get a drone too😊
Of course this is just an opinion and a suggestion. I think what makes your channel so interesting is watching you solve the problems with the vehicles. I believe you should start doing a challenge video. Instead of you having to buy the vehicles they bring you vehicles that they have been working on and can't solve the issues. You use your mechanical know how to investigate and solve the problem. They bring to you a vehicle they have to put money in an account in which to draw parts off of. If you are unable to fix the vehicle you will eat the cost of the parts and labor. If you are able to fix the vehicle and get it running they will pay for all parts and your defined labor fee. Kind of a game show format. Like stump the mechanic type of idea. That way you don't have to keep buying and selling vehicles and when they come in they already have a story line. Now people are invested in the storyline of that vehicle. Just a thought.
I think the exhaust gasses coming out of the coolant pipe was a dead giveaway...
gotta love the way the exhaust just straight goes into the lake! damn sorry about the gopro buddy.
That's how all watercrafts are. The water is the muffler.
@@catfisher420 I know this I was just mentioning how lovely the 2 stroke exhaust looks as he basks in it idling.
More fun toys. Did not make a precise count but seemed like you dropped it far more often on right turns than left? The new GoPro takes sharp and vivid videos.
Way To Go, Joe!
Ya the stand up jets skies are pretty cool you know what would be cool to see him work on is a old hit and miss motter in put it on shomething
To keep it from bouncing try a few washers under the ride plate in the back. Pole up one leg up front one in the back and lean over the pole a bit
Carb Rebuild Kits or Mikuni SBN44 Carbs conversion. Even a single would be okay really.
If not after that then most likely bad Crank Seals.
Also you almost ruined the jetski with all that water from the hose lol
They only need alittle water after started up to flush them out or keep it cool.
But always start it first...!
Finding a mini submarine would be cool. You could recover your gopro and all kinds of other cool stuff.
Nice machine joe no doubt you will have it running the way it should looks great fun hope you find your go pro somehow as they are not cheap,take care mate and all the best 👍👌🔧🔧🔧❤️
I've noticed that the jet ski seems to do excessive proposing in fairly calm water ?
Great vids though which I really enjoy. 👍🏴
Looks nice that.
I had the same jet ski for 3 years and it always ran great, and it will hall ass!!!
A buddy of mine had one of those. Theyre tricky to learn how to ride. Once u learn theyre fun though.
Wow, unique find, remember seeing those but have not for a long long time.
Last 2 water vid are cool machines but the go pro is not getting it done . Maybe a drone for water shots .
Was gonna say its like a 440cc
Going through the carbs it will be a beast
Kawasaki also made an 800 and 1500 stand up.
Definitely no where close to the most powerful.
These need to be going fast to control better.
there was ALWAYS a few 'quick steer' kits & mods to make these things snap back on themselves, it was one of the cheapest & best mods. Turns the conservative Kawasaki corporate turning ratio into a water version of a go cart. : )
Stainless impeller , quick turn, Ocean Pro ride plate. Que the Sammy Hagar music!
By far the hardest machine I’ve ever driven, but also one of the funnest!
these are the powerful/wide/heavy ones. Try the 440/550 skateboards, Those are the ones it takes balance to ride. Also the most carving. Nimble.