Jet ski exhaust leak.
Apr 22, 2020 · Could also be a leak in the tuned pipe.
Jet ski exhaust leak There is a good bit of corrosion on top of the exhaust manifold pipe. A leaky exhaust manifold gasket may affect engine performance. The welch plugs tend to corrode, spraying water into the hull. i think the carb filters is truly clogged nowand the engine went leanhense the overheated exhaust fumes and the (prolly old hose like you said rgard32) were already on the edge of breaking. The very first jet skis with variable exhaust valves were the 1995 Sea-Doo XP 800 (Rotax 717 RAVE) and the 1998 Sea-Doo GSX (Rotax 947 RAVE). As the name suggests, backfiring can cause flames in the throttle body or the exhaust pipe, which is rarely seen on a jet ski due to its unique exhaust system. Following up with you re: 2005 Yamaha FX Cruiser HO Jet Ski Compression test -passed Leak down test - passed Exhaust water leak repaired Water still leaking out somewhere There was about 1 inch of water in the hull after 30 min running on the water. The only possible scenario is if your crank or rotary valve shaft seals are completely gone the oil could go from the oil tank into the crankcase then into the cylinders and out the exhaust but if this was the case you would have so much oil trying to be burned it would Jul 9, 2024 · Rust and corrosion are other common jet ski problems that can infiltrate just about every component of your jet ski. I want to replace that gasket and seal it better but how bad is it that it leaks? Dec 30, 2019 · Remove as many easy coolant lines, anode, temp senders as possible. Jan 18, 2023 · Prep – Like any bonded repair, the surface must be clean, very clean Jet Skis operated for less than 50 hours tend to be in better shape than Jet Skis operated for 150 hours or more . It was towed back to the dock where I discovered the extent of the water level inside the hull. Also the part that has 4 bolts that bolt on to the exhaust manifold (I believe) and the opposite end of the blue coupler toward the front of the ski is leaking a bit. J. We quickly g Jun 29, 2007 · 2000 Kawasaki 900stx - Water leak!!! 2000 Kawasaki 900stx - Water leak!!! My original posting was for "Oil in Hull", now I see the actual problem is WATER LEAKING INTO THE HULL. Jun 5, 2024 · I have a question about my jet ski. Water Leak. He found the exhaust manifold pipe had corroded from the inside allowing water to get back up into the exhaust ports. It appears to leak only when fresh water is used to clean the ski after a day out on the salt water. An exhaust leak can certainly occur with a new ski. Exhaust Filter Bypass Kit Instructions Designed and manufactured by us in house. Kawasaki PWC Performance (4-stroke) Above Forum Ads. Well I had the ski in the water for about 45 minutes (bought with 80 hours) and while I was in the ocean the ski throttle started to bog out. It’s getting worse and worse and now it idles terribly. Jul 16, 2012 · 07 Aquatrax F12X Super Leak Help! way then a new $1000 exhaust manifold on a ski with 96hrs and always flushed for at least 5 minutes to clean everything out Jun 27, 2024 · What would cause a jet ski to fill with water? 3. Over time, the constant expansion and contraction of the components may cause the gasket to leak. Lesson learnt, constantly inspect everything. I recently bought a 97 Kawasaki 1100STX and due to the fact that I bought it in El Paso I couldnt test it out anywhere. ive had split hoses on the oil cooler/head and gasket leaks on multiple skis some leaks are hard to find. In a worse case, it gets stuck in the down position, blocking the jet nozzle, which affects the entire machine. Put the ski in the water. It's a very steady stream of water; fills up the bilge area fast (the oil was floating on top of the water, hopefully thats not a problem anymore). Was it just continually pulling water through the engine as it sat overnight? 2. Help, went riding the other day less than 10 min in the water started smoking real bad out the exhaust burning oil and oil coming out of exhaust. For our first camping trip with the boat, I set an anchor at just the right spot and attached a bumper to the end so I could connect/disconnect easily with a stern line to a shore spike keeping the boat in exactly the right place. Aug 20, 2017 · My waterbox gets pretty hot pretty dam quick. . I’m still getting a severe rpm drop after 10-15 mi. I’ve checked pretty good and I don’t think I have an exhaust leak but it could be possible. Ive rebuilt many a car engine in my life but never worked on a jet ski nor 2 stroke engines. The rubber covers the hole into manifolds. A coolant line that isn't connected can also cause this. I cannot find the post but he posted pics of the manifold on the hose and showed the internal leak from the collector side. I recently got a new wear ring and it rode fine for a few trips but now it is throwing an exhaust overheating code (exhaust p-1544). T. The exhaust manifold gasket seals the surface of the exhaust manifold to the surface of the cylinder head, preventing leaks in the system. Replace it or get it welded. This is a vintage jet ski, as in an actual jet ski. Jul 23, 2019 · I was initially thinking about a head gasket (usually an overheating problem), but heard that there's been issues with water getting in through the exhaust. Repeat exposure to water, especially salt water, can damage your jet ski’s: Engine; Exhaust system; Other metal components; Make sure to regularly rinse your jet ski with fresh water after each use. Other possible causes are the lack of engine oil, clogged oil system, or carb issues. RTV sealant: https://amzn. JS400's JS550's, 650SX's, Wetbikes, jetskis and other seasoned pwc's Sep 21, 2015 · Once stopped the ski began to take on water through the exhaust . Slide the 1/2″ over and to the middle of the 3/8″ tubing and permanently glue it in place and wait for it to dry – this keeps the tube from slipping though the water exhaust. We just replaced exhaust manifold, time to test for leaks! Jul 15, 2012 · An exhaust leak will cause the engine to bog. The stern of the boat sits under water at the rub rail and leakage can occur there, especially if the boat has backed into something. May 31, 2012 · I noticed an exhaust manifold bolt came lose on the bottom left when looking straight at the manifold. Pulled the ski out of the water and drained it. Fortunately I made it back to the trailer and got the ski back on land. Some are known to leak around the supercharger shaft also. While riding on deep water, the leak could rapidly expand to the rest of the jet ski, filling the entire machine and essentially causing it to sink. 2). Thanks Moderator Coastiejoe. Could that one loose bolt cause these symptoms? Either air or water could be getting in/out through that spot. Removed water, new spark plugs, oil change and now running well. Electrics all good, no fault codes, a little water in top of engine. I think the source of the leak will be obvious given the rate of leakage you describe. External water finds its way through the air vents next to the seat or through the front hood. Remove the coolant manifold. Put it back in the water and looked for and found no water. Aug 16, 2013 · I recently rebuilt my carbs and replaced all fuel lines. Cut out inner tube to fit over where carb mounts and where exhaust pipe mounts to exhaust manifold. Make a detailed observation. You can purchase the Muffler Filter here https://amzn. Aug 16, 2013 #2 99seadoogtxltd said: I recently rebuilt my carbs and replaced all fuel lines Jul 29, 2016 · As others have said if everything is connected correctly there is no direct connection from the oil tank to the exhaust. Other Engine or Exhaust Issues. some have used go pros in the I have never seen a Seadoo leak from the manifold (less than 15 years old), maybe the hose to and from? Can you give more information, where is the leak coming from and going to, how much is leaking? Also the spark manifolds are different from the GTI manifolds so you wouldn't have the same issue even if it was a known issue, which it's not. When i run it in my driveway with a flush kit, I also see some water coming out of the same The most common iBR failure on Sea-Doos is when the gate gets stuck – if you are lucky, it will get stuck in up position, allowing the jet ski to move (even if only in limp mode). The ripped/loosened oil lines are common problems on 2-stroke oil-injected Jet Skis, often resulting in an engine seizure. Took the ski to the lake and the ski didn't feel right. I made plates to sandwich the rubber pieces mounted at carb and exhaust. I immediately shut it off and checked for obvious leaks in the engine compartment none were found. to/3qxIiXxand the gaskets here https://amzn. (Due to this risk, the oil hoses must be periodically replaced on every oil-injected, 2-stroke Jet Ski!)There’s also a main computer (ECU) in each Kawaski Jet Ski intended to control the engine and the systems. So does the top part. For ease of use, i installed a "quick disconnect" on my flush line (where you connect the garden hose). The most common reason why a jet ski overheats is a clogged cooling system or cavitation in the pump. I am new to the forum as I have just purchased my first PWC. My Waverunner flooded and choked the engine out. Checked oil berly on the tip of dip stick. I earn from qualifying purchases. Kawasaki Jet Ski PWC Performance. to/3BEVdgIJD’s WaterWorld made a great complete video here Apr 8, 2014 · It is one of the first times I have heard of a service department call and suggest it though. Jul 20, 2004 · It appears I have an exhaust leak on my 650sx. This Kit Fits all 2011+ Ultra 300/310 models. Never use a jet ski with a water leak. Aug 7, 2024 · The cooling water mixes with the engine exhaust inside the exhaust system, and leaks into jet skis during rides. Jun 21, 2013 · Hello Im new to the Jet Ski world but not to the mechanical world. Yamaha WaveRunners use an open-loop cooling system that utilizes raw water to cool down their engines, intercoolers, and exhaust. Start it, and take the seats off. That being said this ski is very clean on the outside and moderately clean on the inside. It is common knowledge that jet skis are prone to overheating, and Yamaha WaveRunners are no exception. External water can find its way through the air vents next to the seat or through the front hood. Upon test riding I noticed I had a exhaust leak at the manifold. At the end of the expansion chamber a small passage sends a portion of the water directly into the exhaust stream to cool the rubber parts in the exhaust and part of the coolant exits thru a rubber hose on top of the jet pump tunnel. However if you buy it, expect to work on it on your own. Turns out the underside of the lower section of the exhaust manifold had two pin holes in it that was allowing cooling water to leak from the cooling water passage of the manifold into the engine compartment. Thanks for your time. Jul 16, 2014 · They need to be warmed up almost to operating temp and sitting absolutely levelYou'd likely never see it smoke as the exhaust exits below the water line. Regards Steve Dec 9, 2013 · One other experienced jet boater advised that the SeaDoo jet boats are put together in two halfs - a top half and a bottom half, and bonded together. It was Apr 22, 2020 · Could also be a leak in the tuned pipe. Unfortunately, jet ski bogging issues can be also caused by a more serious engine or exhaust malfunctions, including: Low compression in the cylinders; Ignition issues; Missing gaskets; Cracked manifolds; Unsecured carb connections; Unsecured exhaust connections; Exhaust leak; Collapsed exhaust pipe #seadoo #seadoolife If interested in purchasing this product, visit our Amazon affiliate link below. Do nothing and wait and see if you develop a leak (most do, it is a matter of time). Overheating issues are typically caused by a clogged pump, cooling system, or a fouled heat sensor. Well I put it in The cooling system circulates water into the outside of the exhaust manifold at the cylinders and thru the outside of the expansion chamber. Warning the salt will blow out all over and you should flush the bottom of the ski thru the plugs. I have a pretty good mechanical knowledge of bikes and cars but this jet ski thing is a whole new Customer: Tom Autrey here again. Running the ski with the hood off shows exhaust leaking from around the part #92093 in the top right hand corner of the attached diagram. Just let it roll away from the head it does not need to come out of the ski. check all the hoses and exhaust manifold/collector gaskets they usually only leak under high pressure so dry the hull out remove your seat and base, find some flat water and ride it. So, I have replaced the gasket, applied sealant on both sides and I am let it dry over night. Hi Everyone I have a 2004 Kawasaki STX12F and recently started getting water in the bilge. If you don’t want to make plates you can mount the carb and the exhaust on over the rubbers that cover the holes. Kit Includes: Exhaust Pipe Gasket Jul 2, 2018 · Just got my Kawasaki 1100 STX out of the shop. 1). The TOPS valve/module is known to be a problem on them. The second thing that can happen if the water isn’t pushed out of the jet ski is that the water can flood the engine. You have a few choices. May 3, 2011 · When bought my ski in Sep't 2006, After a couple short runs on the lake, I blew all the water out but the previous owner had sucked up sand in the water passages and it froze solid and cracked one of them. Eliminate your pesky exhaust filter that is prone to failure and engine damage! One of the best upgrades for your Jet Ski! SS 90 hardware here SS top hardware here Exhaust top gasket here Here are two videos, one is technical information the other is installation Kawasaki STX 15F Jet Ski Water in Hull - Finding and Fixing the ProblemI've been riding this machine since 2012 and it finally developed a water leak. You could cause more damage to your personal watercraft and endanger yourself too. Checked the engine compartment and found 3 inches of water. Most determine they have a leak, do a long-term temporary fix with JB weld, then do a permanent fix in the off season by welding the plugs. If the manufacturer failed to tighten a fitting or there is a crack in a pipe it can occur. Collapse. Since this problem only occurs when the ski is in the water, I was thinking the exhaust as the cause, might be more logical. Jul 12, 2018 · Ordered a new one and put it in, but while the ski is running attached to the hose, it still leaks a little water from that gasket. Consequently, having a couple of cups of water inside your jet ski after a ride is completely normal. Jun 7, 2018 · Well, after six years I finally sucked a rope too. I will be doing a compression test tomorrow. I'd consider myself somewhat mechanically inclined but don't have much experience dealing with Jet Ski engines and I'd prefer to tackle this issue prior to seeking a professional mechanic ($$). Jul 17, 2019 · Has anyone experienced this before and would a decent amount of water leaking into hull cause it to choke out after a period of time. Got leaks? This Sea-Doo does! The OPAS hoses are dryrotted and leaking!On a bunch of these machines made in the 2000s there was a system called OPAS, that wa 7. It's worth the asking price. They can be a lot of fun and very nimble. The driveshaft seal (at the motor, not thru hull) could be bad also These innovative power valve systems like Sea-Doo’s RAVE and Yamaha YPVS appeared on the high-performance 2-stroke jet skis in the mid-’90s. Had the driveshaft bearing replaced and the ski checked out mechanically. The seam runs underneath the black rub rail. I left it installed while riding the ski. OEM Honda Aquatrax Exhaust Outlet Elbow Part Number 18345-HW1-670 Fits all Aquatrax 1200 Models F12, F12x, R12, R12x This fixes the Water leak in the rear of the Jet Ski caused by the melted Exhaust. This gasket has different cutouts around the edges, and I installed it with the "UP" directional cutout facing forward, and facing up. It is pretty closed off under the hood, so the exhaust is being recirculated into the intake. Nov 2, 2018 · Aloha Jet Ski Enthusiasts. Water leaks into jet skis’ hulls during rides regardless of their make and model. Water pressure increases with rpm. Jun 25, 2015 · the internet wont find your leak but i can assure you, you will have one. The ski bogs down and when you open the hood it is filled with smoke. This joint is not keeping the high pressure water from leaking out. Why would this continually leak water? Since the exhaust tubing loops above the waterline between the two mufflers, I would think that it would leak until it drained the waterbox then stop. Aug 15, 2018 · Re: '95 GTX water leak - totally stumped - please help Had similar type leak , only leaked when operating , not static , sitting in water , replaced carbon ring with carrier , std repair , still leakin , only while riding , kept on trailer, backed in water , started ski seat off , revved up 2500-3000 rpm , saw water pumping from bilge system into hull , freaky , looked in reduction nozzle Apr 16, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Aug 14, 2016 · All three plug like areas are fine with no leaks. Could it be the flexible/expansion joint on the J pipe. The lower inner one tends to go first as there is always water (and often silt/sand) trapped in that location inside the water jacket of the pipe. If you have lots of build up, you should remove the exhaust manifold. to/3VZgBaT🧰 For more Fixes, Tips and Hacks (http://reviewoutlaw. Jul 6, 2019 · 1. X. Insert the new siphon tube you just made into the jet valve water exhaust, glue it (epoxy), and let it dry; Reattach the rubber tubing as shown below Jan 27, 2025 · The forward motion of the jet ski relies on the force of water propelled out of the back of the jet ski and pushing against the water body in which the jet ski sits. Exhaust leak. It’s not just the engine, but the jet ski’s exhaust system and the intercooler are also prone to overheating, as these parts are also cooled with raw water. com)I had a Leak in my 1996 GSX Seadoo and did not know where it was coming from, so i went step by step Jul 20, 2018 · Jet ski taking on water? Get it fixed before you sink! Backfiring on a jet ski occurs when the fuel ignites outside the engine cylinders, either on the intake or exhaust side. Apr 29, 2007 · Re: exhaust hose burnt hole update: i took the fuel selector switch apart took a deepbreath and blew in the res/outlets and got myself a grey rubbery clay facial. Any suggestions on how to proceed will be greatly appreciated Jul 3, 2014 · Get a good flashlight. Jan 27, 2019 · This leak is water from the jacketed manifold leaking into engine bay. You will have a very hard time finding anyone that works on these old skis. A Jet Ski leak story! Lets get the water drained & show you where our leak is coming from! Jun 3, 2023 · If your engine all of a sudden sounds louder than normal or you see some smoke rolling out after some high speed runs then your coupler clamp may be loose or Aug 1, 2017 · There was a post not too long ago where the OP had the same symptoms as you. fkmmwevoybgpyyovpevymvtggvtrrhtztczusybbyarhdksak