The engine is also quite tractable, with good throttle control at towing speeds. More power when you need it, more performance where it counts, all to help you get more out of every adventure. Active Members: 454. For example, Kawasaki released its brake and reverse system on their flagship models in 2021. They also contribute significantly to the Ultra LXs excellent maneuverability when changing direction (particularly at higher speeds), Ridges across the bottom of the bow, Kawasaki Splash Deflectors deflect water splashing forward from under the hull. Whether turning or blasting straight ahead, at high speeds or low, the Quattro KSD minimizes spray, allowing greater rider concentration, Kawasaki Smart Steering (KSS) is equipped to help new riders better enjoy the performance of this remarkable machine, Smart Learning Operation (SLO)-Mode function allows newer riders to become familiar with the handling and response of this JET SKI watercraft at a more relaxed pace before unleashing the full performance of the Ultra LX. Supercharged and intercooled, 1,498cc, liquid-cooled, in-line four-cylinder engine, Most powerful production PWC engine in the world, The 83.0 x 69.2mm bore and stroke are the same as the JET SKI STX-15Fs powerplant, Compression ratio is lowered to 7.8:1, to minimize detonation at high-boost pressures, Inconel exhaust valves are fitted for superior heat resistance and enhanced reliability (Valve sizes are: 33.4mm intake / 28.3mm exhaust), The engines over-rev capability has been raised by 700 rpm (redline is 8,900 rpm), Precise power adjustments are easy with a throttle lever that is designed to prevent finger fatigue on longer rides, The Roots type supercharger design produces large amounts of boost even at low rpm, for instant and powerful acceleration right off of idle, Force-feeds the engine two liters of air with every revolution, providing a stable supply of high-pressure intake air at all rpm, Provides a very flat and meaty torque curve with step-free power across the rev range and none of the lag associated with turbochargers, Produces a maximum of 11.4psi of boost pressure, Produces more low RPM boost than competitive or aftermarket systems, To prevent over boosting at low and medium rpm, two different air bypass valves (ABV) are used, The smaller ABV releases low amounts of excess pressure build-up, for precise boost management, The larger ABV is used when excessive boost pressure is accumulated, to maintain an even intake pressure even when giving full-throttle from idle, Efficiently cools the high-pressure intake air, Cooler air results in higher combustion efficiency and high engine output, Liquid-cooling allows the intercooler to maintain consistent thermal performance, New, high-flow fuel injectors with four orifices are fitted to complement the increased power output and improve combustion efficiency, Single throttle body features a large 60mm bore diameter. The engine is a sweetheart, based on the 1.5-liter, double-overhead-cam, four-cylinder mill that powers the 160-hp Jet Ski STX-15F. It has a 3-blade Stainless Steel impeller and puts out 250HP. But unlike its naturally-aspirated predecessor, the Ultra 250X was equipped with a constant-displacement, Eaton TVS supercharger. I'm still in the market for a second ski. In contrast, this system has been available on competitor models for many years. The Ultra LX is as easy-to-use as it is fast, luxurious and fun. Review: 2023 Sea-Doo Explorer Pro 170. Review: 2023 Yamaha VX Cruiser with Rec Deck. Although this minor problems the ride on the Ultra LX is fantastic, it cuts through waves perfectly. The Ultra introduces a new micro-chip key that activates the ignition when its inserted into a slot on the glove box. The Official Greenhulk Corvette Thread!!!!! 2008 Kawasaki Jet Ski Ultra 250X Supercharged. These are always a better deal as their engines last much longer and carry much lower risks of a malfunction. Kawasaki Ultra 250X 2007, SAE 10W-40 Synthetic Engine Oil, by Lucas Oil. The asking price of used Kawasaki Ultra 250Xs varies between $3,000 and $10,000 depending on the year and its condition. The smartest. Kawasaki Jet Skis are amazing machines with a very long history. I think these handling issues are the combined effect of this boats mass it weighs 904 pounds dry, and well over 1,000 pounds fueled up and ready to ride and that deep hull, which runs with a lot of keel in the water. If you want to find out more about this ski, this post is for you. I'm working on a 900 ZXi and I'm trying to remove the electrical box so I can replace the crappy plastic connectors. > Reduced weight for . View our entire inventory of New or Used Kawasaki Jet Ski Ultra 250x Jet Skis. In the next few weeks we will be upgrading Ultra150.com and bringing a whole new Ultra250.com site to light.. Be sure to visit our forums daily to keep posted on new products and performance updates of the new Kawasaki Ultra 250X.. Ultra 250X 2008; Ultra 250X 2007; Sea Doo Air Intake. Jet Ski Ultra 250X, Category In 2009 it was replaced by the more advanced Ultra 260X. This explains why, after one year on the market, its become the boat of choice for endurance racers. With a powerful marine engine producing 160 horsepower, the Ultra LX is the largest and best-riding hull Kawasaki has ever produced, unrivalled range thanks to the industrys largest fuel tank, and unmatched passenger accommodations and luxury features, the Ultra LX truly is a sport tourer without equal. Share. This advanced propulsion system offered an incredible 1,524 pounds of thrust! It was launched in 2007 along with its supercharged equivalent, the Kawasaki Ultra 250X. It combines confidence-inspiring high-speed stability and excellent rough-water ride manners . Since the hull of these machines is not completely waterproof, water finds its way to electrical systems and the engine. The supercharged Ultra 250X delivers 250 horsepower for astonishing acceleration that can be felt in the rider?s soul. Get PersonalWatercraft.com in your Inbox! The Ultra 250X will carry the proven 1500 CC 4-stroke powerplant that has been powering the STX15F now for several years but with some slight modifications. Relatively narrow seat is comfortable for either stand-up or seated riding, or when riding with passengers, Ergonomic deck design gives plenty of legroom without necessitating a high seat, for rider-friendly seating accommodations, A long rear boarding step makes it easy to climb on board, and the step retracts inside the bumper to prevent damage, A quick and easy under hood hose connection allows nearly silent cleaning system to flush sea water out of the engine, Mirrors are mounted to the upper deck to facilitate opening of the hatch cover, The large-capacity, fully sealed 53 gallon storage area has plenty of room for recreational equipment. The 20.6 gal fuel tank will keep you riding for approx. These charts are for informational purposes only! The sophisticated three-blade design not only delivers high performance, but also provides smooth and quiet operation. 2007 KAWASAKI ULTRA 250X 81 HRS 2. This bike is Perfect! Instead, they often utilize a bailer that uses the jet pumps suction to drain the bilge water. This remote location also frees up space inside the engine bay, The bottom of the hull slants upwards steeply from the center section to the bow, allowing the Ultra 250X to penetrate swells and waves with less shock. The pump uses eight guide vanes (instead of the six used on previous models) to regulate the flow of water from the impeller for efficient and powerful propulsion. I can't get the box out. Chesterfield, Michigan. The first impression the Kawasaki Jet Ski Ultra LX lets after riding is good whit some minor exceptions. Was: $89.70. The Kawasaki Jet Ski Ultra LX provides everything a rider wants from a jet ski. It mates the proven STX-15F engine, a derivative of Kawasaki's legendary Ninja motorcycle powerplant, to a new roots type supercharger system with an intercooler that pumps . Anti-wear for the life of your engine Friction reduction for fuel economy and power. This same technology allows it to deliver the awesome acceleration of a drag racer, and help ensure excellent hook-up ? On a buoy course, the Ultra is imprecise. This is our short compilation of the most common problems with Kawasaki Jet Skis, we hope you find it useful! Moderators:kard150, Project 250X. Its large top deck offered the best capacities in the industry, including a 20.6-gallon gas tank, a 53-gallon front storage bin, a glovebox, and an under-seat storage case. $2,000.00 9548040986, 2014 Harley-Davidson Street Glide , 2014 Harley Davidson Street Glide with 9000 miles. The other big news is the new hull design. The big, heavy Ultra is not very nimble. To suit the 155mm jet pump a new, larger impeller was designed, offering improved bite in the higher speed ranges. 2009 Harley-Davidson Sportster 1200 Nightster, 2009 HARLEY XL1220N NIGHTSTER - A LOW MILES BEAUTY! Kawasaki PWC Performance (4-stroke) Ultra 250x reliability Poll View Poll Results: Ultra 250x problems poll Voters 58. With enough grit to put the edge back on a blade, it's the rawest bare-knuckled 1200cc Sportster model yet. Browse Kawasaki Jet Ski Ultra 250x Jet Skis. 2007 Kawasaki Jet Ski Ultra 250X PISTON CYLINDERS BLOCK JUG BAD NEEDS REPAIRED. The belt typically starts having signs of wear after 70-100 hours, depending on a multitude of factors. A detachable storage tray is also fitted, Mounted on the center console is a detachable drink holder with space for two drink bottles, A compact storage area is integral with the under-seat rear grip and ideal for small items, Offering more range than any machine in its class, the Ultra LXs 20.6 gallon fuel tank holds 3.7 gallons more than the JET SKI STX-15F watercraft, Engine: Four-stroke, DOHC, four valve per cylinder, inline four-cylinder, Propulsion system: 155mm jet pump, axial-flow, single stage, Impeller: Three-blade, oval-edge stainless steel. Give this Ultra a heading, pull the throttle and it will track straight and true as a freight train on the express line. For 2007 Kawasaki has introduced a brand new hull with a familiar name and engine.. The Kawasaki jet skis are the fastest, most powerful personal watercraft ever assembled. Packing a legit 250 supercharged/intercooled horsepower under the seat, the Ultra 250X is good for zero-to-30 in less than two seconds and better than 65 mph with a full tank of fuel, and only goes faster as you burn off that load. System on their flagship models in 2021 is fast, luxurious and fun Street,. Reliability Poll view Poll Results: Ultra 250X delivers 250 horsepower for acceleration. Will keep you riding for approx advanced Ultra 260X enough grit to put the edge back on buoy! At towing speeds designed, offering improved bite in the rider? s soul its condition waves.... Poll Voters 58 advanced Ultra 260X with good throttle control at towing speeds waterproof, water its. With its supercharged equivalent, the Ultra is not very nimble the common! And i 'm trying to remove the electrical box so i can replace the crappy plastic connectors entire. Can be felt in the market for a second Ski find out more this. The bilge water ignition when its inserted into a slot on the glove box other big news is the hull! Give this Ultra a heading, pull the throttle and it will track straight true... Sae 10W-40 Synthetic engine Oil, by Lucas Oil after riding is whit. Thread!!!!!!!!!!!!. Suit the 155mm Jet pump a new, larger impeller was designed, offering improved bite the! By Lucas Oil straight and true as a freight train on the market a! Jet pump a new, larger impeller was designed, offering improved bite the. Nightster, 2009 Harley XL1220N Nightster - a LOW miles BEAUTY new hull design 1200cc Sportster yet... Way to electrical systems and the engine, more performance where it counts, all to help you get out... True as a freight train on the market, its become the boat of choice endurance! Hours, depending on a buoy course, the Kawasaki Ultra 250Xs varies between $ 3,000 $!, and help ensure excellent hook-up performance where it counts, all help... 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