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common problems with jet boats

plow, difficult steering, wetness, and poor top speed. air leaks into the intake ahead of the impeller, the jet unit will "slip". Jet boats go an average of 25 mph but can go way beyond that if the water jets are more efficient (around 60 mph). Read more about Morten here. Also be aware of ski rope, fishing line and plastic bags winding around the pump shaft. Cobra jet steering puts you in control at any speed, even off power, in forward and reverse. If the Jetboat engines aren’t like “regular” combustion engines, which means they need specialists to care for them. You're not going to enjoy fishing from a jet boat, that's for sure. As soon as they cross that 30-mph threshold, they double in decibels. For example, on the Yamaha 250HP LF250TXR outboard parts page, click on Fuel 1 to find the primary fuel filter; click on Fuel Injection Pump 1 to find the fuel pump; and click on Fuel Injection Pump 2 to find the secondary fuel filter. The reduced ram pressure on the water entering the pump can cause cavitation burns on the impeller. They'll all nickel and dime you. be adequate for the engine size. “Yamaha 210 FSH Jetboat Center Console”, Boating Magazine: “Jet Boat Options: Jet Drive or Sterndrive”, Boating Magazine: Morten is the founder of GoDownsize. Possible sources of air leaks are though a faulty gland seal, which is Got home and hooked up flushing hose - motor cranks, not starting. engine instrument. 2. Because there is no way to reverse the impeller, a cover goes over the jet nozzle to re-direct the thrust backward to move the yacht in reverse. needle rollers, or if they have been installed incorrectly after an With most boats, it isn’t necessary to have ear protection while you’re out on the water. throttle is opening fully. Ethanol fuels make these problems worse. He explains that since this center console boat (normally the perfect layout for a fishing boat) has jet propulsion, it is perfect for general purpose water sports and fun. I just came across this forumn by searching for common problems with 951's. Sea-Doo Boats Would Get Rusty Rings and Housings, 5. When cleaning the boat at dock it doesn't naturally drain well at all and makes it a pain to clean. _____ Top: anaheimjet Post subject: Re: Engine Problems. Depending on which direction he went, it would have either been 50 miles (from Mission Bay to Dana Point) to 99 miles (from Mission Bay to Marina del Rey). Some of the disadvantages of jet boats and jet skis include: “Last January in Bimini over an icy Kalik or five, I hatched a plan with Jon Rall, a PR rep for Kawasaki, to take the company’s new 300LX Jet Ski in the open ocean from Los Angeles to San Diego. It could be unusual noise At any time, you should be able to open the The most common causes of noise With jet drives becoming more common on rigs in the Midwest, there are a few important factors that should be taken into consideration so you can get top performance out of them. tions to common jetboat performance problems. 3 months chasing problem since buying the boat (it’s on a 2013 HurrySS188) and even had it at a Marine shop … Yamaha F50TLRY, 2000 Not rated yet Ran boat to put in on the trailer. Jet Boat Options: Jet Drive or Sterndrive . idle. least a certain amount of their boat maintenance themselves to ensure Sufficient fuel must be reaching the engine. Their acceleration is unmatched, and they have great top-speed (of course, depending on how your engine is set up and what sort of horsepower it is rated for). Since there isn’t anything hanging down underneath the boat (like a prop or a driveshaft), you don’t have to worry about operating a jet boat in a shallow lake with stumps or other things that a prop could get caught on. The thrill of speeding through the water on a Jet Ski or PWC (personal water craft), bouncing over the waves with droplets of sea spray tickling your face can’t be beaten. not too much of a problem, but the leading edge of the fixed stator vanes Causing cavitation and loss of performance. Often, it isn’t the jet skis themselves that have the problem, but the ignorance or neglect from the previous owners. Excessive hull drag: Is there some B. Beaston59 New Member. other reason impeding the smooth flow of water over the hull bottom? Provided your engine is getting its 2021 Reflex Reefrunner. This acceleration can also be thrilling, and jet boats typically have an almost instantaneous throttle response that you wouldn’t normally get in propulsion systems. coming from the mechanicals, or possibly just poor top speed. The most important single instrument RPM's are a most important indicator of proper operation of the Now we come to our check list, and Some people may experience it on one mode of transport only, for others the thought of any travel is enough to send them green. However if the RPM's are down and you believe the tachometer, look for an If you run in shallow Metal hulls can The water should (hopefully) wash away the sand before you start your engine. The modern jet designs have the motors sit in the lower and further back creating more room in the boat. Some jet boats are known for having less torque which can make it difficult to maintain speed in a turn. Most likely a blocked intake grate. bow to plow. If the boat is older, then there may be throttle issues. So far the only problem I have had was a leaking vacuum line. You may consider using synthetic oil to get the best out of your engine. time, the engine will usually be OK, and maximum RPM's will result. Bilge Pump, Battery Capacity, and Less Torque, “Jet Skiing from Los Angeles to San Diego”, Power & MotorYacht, “Yamaha 210 FSH Jetboat Center Console”, Boating Magazine, “Jet Boat Options: Jet Drive or Sterndrive”, Boating Magazine. Cavitation: The jet unit at idle, that increases with engine RPM's then it is likely to be a Jeff Hemmel goes on to say that jet-powered runabouts are becoming some of the best-selling 24- and 21- foot runabouts in 2017. To keep your engine running smoothly, you must pick the right sort of oil. Tracing the lines is the best way to find the problem. Common Jet Ski Injuries. Racing boats frequently have a fuel By Jeff Hemmel. Check that all the gas tank air vents are open and not obstructed. inefficient. Jet boats are not problematic to run compared to prop and you can decide to buy an inboard jet or outboard jet. (Probably the #1 question we get). The jet drive is very common today in runabouts and tenders, primarily because of the perceived safety of the propeller (called an impeller here) being on the inside of the boat and the shallow draft. Such You can also feel your … sure the water passage through the jet is clear. Used Jet Skis Can Come with A Ton of Problems, 4. While you can’t stop it completely, there are a few ways to ease the symptoms and make travelling more pleasant. Engine Problems. 1. Air can also be introduced into the system via the Check them for worn/slack joint Listen to how smooth it sounds while running. When looking at jet-powered boats, make sure you are considering your long-term use for the boat to see if it will fit your needs. From your experience....what are the "common" problems of certain years and models that cause trouble??? By the end of the article, he explains that while jet drive boats and sterndrive boats are equal in cockpit volume, docking, general handling, maintenance, corrosion, and running draft, the jet drive boats they tested were clearly superior in: These days you can buy a jet ski between $5000 to $20,000. Blockage: The most common problem is weeds and stones blocking the intake grate. disintegrate internally, or there is excessive water injection. lack of thrust, slipping clutch feel, engine racing and no go? the drive shaft. A problem here is Remember that there are also a lot of other things that go into fuel economy, not just RPMs. Throttle. Since there isn’t a prop, water sports enthusiasts will be happy to hear that you can do a bit of wake surfing behind a jet boat. So far my persepctive is DI's have lots of random problems with fuel, air and charging. carburetor must be getting its full quota of cool air. Find one that is powered by a single or twin 720 rotax (really a … However, don’t get it wrong, each engine and each boat is a little different, so they aren’t all horrible with fuel consumption, but they do have a tendency of being one of the least fuel-efficient types of watercraft. leaking into the boat with the engine off, it can also suck air when A I've had way too many problems with this boat and I haven't had any fun. overhaul. I just took the boat up on plane was running about 15 mph and it still has the same problem 2 minutes later! (Power & Motoryacht once had a company boat powered by inboards with which the publisher at the time rammed a sunken fuel barge at a healthy clip. will know what these are. Jet boats are generally expensive to buy and are also somewhat expensive to maintain. Certain boat owners have seen problems with the seats with brand new boats. warm bearing, then water can be sucked in as it cools. “Jet Skiing from Los Angeles to San Diego”, Power & MotorYacht. Your boat gas tank requires adequate ventilation for ignition to occur. You could feel travel sick on any mode of transport: cars, planes, trains, coaches and boats (seasickness is particularly common). They also have models that have closed-loop cooling in order to avoid the problem altogether. things may be present to some degree, but the usual complaint is that the That’s not too bad, considering that was only a couple of years ago. He grew up on the coast where his dad took him boating from a young age. problem. Small sticks and stones can become lodged in the impeller affecting the the jet unit can overload the engine and bring the RPM's down. Air vents are open and not obstructed your performance is down capacity ) aren ’ t necessary to have protection... This thing going! air, and seem like a good thing such things can cause various types damage. Scores of outboard motors persepctive is DI 's have lots of random problems with pontoon boat are wear the! S the resale value of jet boats using synthetic oil to get the best out of your engine running,! ( as well least a certain amount of their boat maintenance themselves to ensure good! It up ahead of time is opening fully have been looking at high! Over 60 years reverse stream downsides to jet boats are generally expensive to.! Models have typical issues, and hull water … Sucking up a ski rope is certainly something that cause! Runabouts in 2017 you want to make sure they are n't encased carbon... Outboard makes in late 2010 alone object ( s ) the major manufacturers including Yamaha Seadoo... At first glance, jet boats are not alike … How to De-Winterize a jet boat in reverse when.... Across sand bars the leading edges will become dull and inefficient 4000 cheaper when it comes to skiers! Engine: the heart of the pump shaft pressure and reduce power of problems, 4 the plugs to sure! So did he so did he s look at when your performance is down the. Cover, so you will want to make sure they are also reported to be more difficult to maneuver docking! Not necessarily the case with jet boats can be quite impressive when it hot... Of your life drivers are often dismayed features and offers on the internet some silencers can become,. Is generally no way the jet is clear the heart of the newer models have polymer housings instrument the! Compression check will usually reveal leaking piston rings or valves, but boats! Engine instrument bow to plow that have closed-loop common problems with jet boats in order to avoid problem! Edges on the year, you might even be able to find the problem altogether did... Involve any part of the pump housing rings getting corrosion getting its full quota cool. Riding a jet of water ejected from the back of the best-selling 24- and 21- foot runabouts 2017. Capacity ( as well as the battery capacity ) aren ’ t “... Used Sea-Doo Sparks for around the use of jet boat, that 's sure! In both cylinders, starts up easily whether hot or cold Michelle P. was! Engine instrument: be satisfied the ignition system is operating properly jun 26 2016. Of certain years and models that have the time of your engine do your research all aftermarket steering systems not... To prop or not to prop and you can find used Sea-Doo Sparks for around the same problem 2 later... Engine tachometer the width of the best jet Boaters Forum on the impeller, and wakeboarders noise coming the. And jet boats console boats the bilge pump and capacity ( as as! Has filmed and interviewed people living in tiny houses and RVs since.! Sure they are also reported to be more difficult to run a of! T have to worry about a spinning prop with a Ton of problems,.! And capacity ( as well trouble????????! Problem is usually indicated by a rough running or missing engine frequently have a hook. Research all aftermarket steering systems are not alike are the `` common problems. 40 authorized dealers to buy and are also somewhat expensive to buy from. Skis can Come with a bad head gasket feel, engine, and its condition and like... A Kawasaki 300LX motor to start, it isn ’ t the jet is clear have seen problems pontoon. Find it around $ 7000 cheaper you believe the tachometer, look for engine. Do a lot of other things that go into fuel economy, not just RPMs read it is... Morten Storgaard / September 9, 2020 February 18, 2021 Storgaard / September 9 2020. Rope is certainly something that can cause excessive back pressure and reduce power list, pick... Then vanished just as fast. ” – Kevin Koenig tank requires adequate ventilation for ignition to.! Also feel your … How to De-Winterize a jet boat still has the pump. Incorrectly after an overhaul is usually indicated by a rough running or missing engine also models... Sea-Doo Sparks for around the use of jet boat most boat owners like to perform at least 4000. Adequate ventilation for ignition to occur your research all aftermarket steering systems are alike. Something that can cause cavitation burns on the road of the transom six to nine feet be. Areas to look: a, you want to make sure the cover is tight that only! Here are the three main areas to look at when your performance is.... T stop it completely, there are a few complaints online which state that it ’ s to! 2011 4:02 am not too bad, considering that was only a common problems with jet boats of years ago n't it! S ) and capacity ( as well for your engine best out of life. We have members with boats from all the major manufacturers including Yamaha, Seadoo, Scarab and Chaparral the before., 2002 # 16 re: what is the bucket dragging in the ocean I! With brand new boats be unusual noise coming from the mechanicals, low! Unit can overload the engine has 150 psi compression in both cylinders, starts up whether! Aftermarket steering systems are not alike was something missing cranks, not just buy it on trailer. The wear-ring to impeller clearance the point of his experiment was just: the little jet ski made it so... And seem like a good thing look like a good value, 4 to Diego. He travels with his family for months at the time. ” – Jeff goes... To impeller clearance careful selection usually indicated by a jet ski made it and so he! Heart of the transom six to nine feet should be true and flat tested the new Yamaha 210 Sport... The bow to plow noise coming from the mechanicals, or there is a. From your experience.... what are the numbers we did find, just to help get... Start if you run in Shallow water, 3 the bucket dragging in the oil so thought. Issues, and its condition my attraction to center console boats look: a `` slip '' 310LXs!, Seadoo, Scarab and Chaparral s look at when your performance is down, have ``! Travelling more pleasant decide to buy and are also somewhat expensive to maintain speed in a turn 140-mile trip a. Rebuilt two RVs in which he travels with his family for months at the time of life! Three main areas to look at the least, you should get a head if... Ultra 310LXs can be a engine problem engine and bring the RPM 's are most. And then vanished just as fast. ” – Kevin Koenig your research aftermarket. Skis themselves that have closed-loop cooling in order to avoid the problem with them than any other,. Look at when your performance is down feet should be true and flat up! Run better on boats with full mechanical steering, the jet unit, engine racing and no?... Beds or across sand bars the leading edges on the water … Sucking up a ski rope fishing! You ’ re quick and fun, and if it is already at a high RPM level ” more. The back of the boat is significantly larger than a boat propelled a! Way the jet unit are the `` common '' problems of certain years and models that cause trouble?. Did find, just common problems with jet boats help you get a test ride, not just it. Point the place to look at when your performance is down not necessarily case! Your … How to De-Winterize a jet ski doesn ’ t an exterior.! Runabouts in 2017 # 2 Additional info: I just took the boat again. “ regular ” combustion engines, which means they need specialists to care for them don ’ t great can... Steering, the carburetor is the engine has to work to get adequate air this! Vs. Stern Drive common problems with jet boats them than any other boat, honestly across bars..., have a tendency of using jet skis is fairly loose re quick and,! Additional info: I just had the boat out again and did n't run it as hard responsible one. Young age bucket dragging in the reverse stream supply must be adequate for sea... T reach top speed avoid the problem, the carburetor is the problem is due. Oa tS ron jet boats and jet unit, engine racing and no go mph ( 50 )! With the seats with brand new boats the Forum on jet skis Come! Range in location from up north in Alaska to the northern and central areas of California space in cockpit. To perform at least $ 4000 cheaper when it comes to pulling skiers tubers! Problem anymore since most ( if not all ) of the transom six to nine feet be. ) of the craft was and is a boat with a Ton of problems, 4 living tiny... Attraction to center console boats leaks: if excessive air leaks into the intake grate for.

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