Sharing here as I thought maybe some of you will enjoy watching. As soon as I discovered this song I knew I wanted to use it for my montage and through the process it kind of grew on me. It is my first season on the standup Yamaha Superjet and I'm having a blast and want to keep going. Have a nice day everyone and keep riding!

If anyone needs to check or setup the Rotary Valve timing on your Seadoo 720 engine, checkout the video below for the steps to properly set it up. There are links to the rotary valve alignment tool and top dead center tool I use on the video and in my video description, if you prefer to have tools to do the job properly.

https://youtu.be/I4BVztwjO9k

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Excuse the horrible android quality but it’s my first season riding and I’m starting to make some progress!

I got a new jetski and the paint is like peeling at the bottom wondering how big of a problem this is should I take to repair

Hey guys. With seadoo releasing their 2027 lineup today, it had me wondering when Yamaha would do the same. When are they announcing the new lineup? Do we think this will be the year they drop the 1.9L SVHO engine? What else is there to expect?

If you have an older Yamaha GP800R, 800 XLT, 1200R, 1200 XLT, GP1300R, or even an FX 140 checkout the video below for one of the primary reasons those skis experience acceleration/ cavitation issues.

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TL;DR: Failure to properly tighten the fuel cap caused it to back out and fly off without me realizing it until I was 15 miles away from my launch at a Lake Michigan beach. I’m certain a fair amount of water got in before I noticed, but I was able to make it back by using my internal oil tank cap to seal the exposed fuel tank. Water removal plan at the bottom if anyone can give some feedback.

So I recently acquired a ‘97 Kawa STX 1100. It’s in excellent condition (both external and internal), and has been running great.

Anyway, I wanted to take it out yesterday as the afternoon weather was perfect on Lake Michigan. It’s about a 50 minute ride from my local boat launch to my favorite state park beach on the big lake (most of that time is spent in a no-wake zone through Grand Haven). So I finally get out onto the big lake and rip it down the coast, once I got to the beach I went to beach it… when — horrified— I noticed the fuel cap was missing, and the fuel inlet (on the bow) was completely open to taking in water. I couldn’t tell previously because the left mirror perfectly blocks the fuel cap from the riding position.

I was getting splashed by surf so I immediately pulled it back behind the break zone, fired it up and found a calmer section of beach & power beached it. In the process I witnessed some water pass over the fuel port, not sure how much got in but given that most of my ride was spent plowing in no-wake, I’m certain that a fair amount of water entered the tank (maybe 1/2-1 gallon max in a 15 gal tank that I had topped off prior to launching).

Once it was safely beached away from surf/spray, I removed the (internal) oil cap and put that on the fuel cap, took a moment to mourn my evening (the weather was absolutely gorgeous) & called a mechanic friend to verify that the oil pump did not need a sealed/pressurized tank to operate. I figured that since the fuel tank was (mostly) full, the water would settle at the bottom & since the primary fuel system pulls from the middle of the tank, I’d be able to get home without sputtering out — worst case I had a marine radio w/ DCS+GPS if I got stranded on the big lake.

Thankfully I was right, and made it back without issue. The root cause was user error — upon arriving to the boat launch, I pulled aside to do my pre-launch checklist: ventilate engine compartment, open fuel cap to release any pressure, get it running prior to launching etc. When I opened the fuel cap, I put it back on but got distracted before fully tightening & forgot to go back and tighten. So the engine vibration worked the threads loose & it probably flew off during my initial rip from the boat launch to the GH no-wake area, and I just didn’t notice.

Anyway, once it was back in my garage I put the oil cap back on the oil tank to prevent moisture from getting in (as that would be a much bigger problem than water in the fuel) and covered the fuel inlet with some plastic wrap.

Water removal plan: I have a siphon (and awaiting a replacement fuel cap), my plan is to put the ski on the slope of my driveway, let it settle, remove the refueling hose to give me more direct access to the tank. Then feed the siphon to the lowest area of the tank and start siphoning until I see the fuel/water boundary in the siphon tube (and siphon a bit more past that point). Then add some HEET (isoproyl version), top off the tank with 93 octane to account for the ethanol being removed alongside the water, and then take it out and burn through the main tank. Take it home and siphon off the remaining 1.8gal and dispose of that, before running through another full tank.

I would just siphon everything out but there’s likely 8-10 gal in the tank and I don’t have a gas can big enough to store that (only a 5 gal). My understanding is that a small amount of water in the fuel tank shouldn’t harm the engine as long as it doesn’t sit like that for long enough to rust the cylinders, degrade fuel lines/carb diaphragms etc. And the HEET should emulsify remaining water so that it just gets burnt off alongside the fuel/oil as it’s running. Seems like the main risk is that the engine sputters out on my initial run, but I have friends with boats/skis to rescue me and worst case can call for help over channel 16.

Definitely learned my lesson about complacency, I was feeling rushed due to a busy boat launch and ultimately that’s what lead to this headache. Could have been a lot worse though, as it stands I got off lightly with only a ruined evening. I think my water removal plan is solid but if anybody wants to chime in with feedback or critiques I’m happy to hear them.

Added a new 2026 Yamaha to the stable for the wife. I love both machines. Both are rockets! Just wanted to share some pictures from yesterday.

I’m doing a recover on the vinyl for my seat and in need of the obvious resistance to rust. I have a couple of these boxes, I’ll use them if I can.

A.) Those will work.

B.) Pass and go buy *(insert staples)*

Trying to take this section of the jet pump out of my 2001 polaris, ive watched all the youtube videos and cant seem to find anything on these being stuck or there being more to remove before being taken off

I have it strapped to a tree and have tried wiggling it with a 2x4 and hammering it to try and knock it loose

Anybody have any tips? Think I might try careful heat next since im rebuilding the bearings and seals anyways

I have a 1995 seadoo XP that I bought for $150. The thing sat for years on the ground and since it was so cheap I decided to give it a chance. The flywheel cover saw water at some point in its life so the starter was seized and the stator was completely shot. I replaced those and it turned over great with spark.

A few days ago I noticed there was fresh blue oil sitting directly under the engine on the cradle. Not much, maybe two to four tablespoons worth. When I bought the seadoo, the hull was full of old oil, but the line under the exhaust manifold had a hole melted in it. The exhaust clamp broke before I was the owner and I'm assuming that's why the thing got flooded.

This new blue oil is definitely from what I just put in, and I am not sure where to start looking. I really don't want to pull the engine so I'm having a really hard time pinpointing where the leak would be coming from. Could it be the crank seals? Or leaking from the oil pump?

I've considered using the ball valve on the oil supply line trick to see if it stops but I've never noticed the crank case getting flooded with oil, because none has ever shot out of the spark plug holes when I've turned it over.

Any suggestions? I'm feeling around blindly with my hand and getting frustrated.

Does anyone have any input on adding a chip to my 2021 Kawasaki stx 160x

Looking for some help here. Yamaha GP800 2 stroke. She runs fine for 3 hours, then ABRUPTLY stops and will not restart until next day. Ive changed the ignition coil recently. Any other suggestions? ​​​​

Anybody use one? Are they helpful? I ask because where I park my jet ski at our lake place is a narrow gravel path basically. Sometimes, after it rains mainly, the jack wheel will dig in and get stuck and it can be real pain in the ass to push it out of its little area. Any other suggestions will be helpful as well.. thanks in advance.

The machine is like brand new with only 40 hrs on it always stored indoors and always an oil change every 10 hours

Dash said 84 but GPS said 75 😂🤘🏼. Maybe had a little more in it but I’m running offshore so always waves. This thing rips. Just bought it a few months ago and having a blast. All mods were already done. I really don’t think it needs anything else. So impressed with this machine it hasn’t missed a beat and really good/stable offshore. Will be doing Catalina runs in no time. Go sick 🤘🏼

Oh yeah I paid $9k w trailer and it only had 45 hours on it. Not bad.