Rated at 250-hp, the Ultra 250X Jet Ski is the most powerful personal watercraft on the market. It makes this somewhat mind-blowing amount of power on a 1,498cc inter-cooled four-stroke engine with a roots-style supercharger running a maximum 11.4 pounds of boost. Kawasaki Ultra 150 and 250X > Kawasaki Ultra 150 and STX-R > Ultra150..STX-R..STX-15F Tech Forum > Torque Spec . Also for: Jet ski ultra lx. Share. SBT carries all standard PWC and jet ski engines. You may have to register before you can post: click the register link above to proceed. SBT is the preferred source for standard Kawasaki PWC engines. Sign In. Sign In. 3 months after buying them, they both began to hesitate, rev up without any throttle and at high speeds just bog down and then resume normal operation. Download. On an ultra the below is key for a healthy engine. Page 193 ENGINE TOP END 6-7 Specifications Item Standard Service Limit Inlet (Outer) 45.78 mm (1.802 in.) RIVA Kawasaki Ultra 250/260 Engine Breather RK1750-BPUK RIVA Kawasaki Ultra 250/260/300/310 Mirror Block-Off Kit RK5-U250X-MB RIVA Kawasaki Ultra 250X/260X/300X/310X Seat Cover - Black/Red/White RK5-ULTRA-1 KAWASAKI ULTRA 250X SPECIFICATIONS The R&D high performance Air Filter Kit will improve acceleration and top speed performance by increasing air flow and reducing air temperatures that enter directly into the Ultra 250X's air plenum box area.The O.E.M. 44.2 mm (1.740 in.) Add to Cart. The deck and hull are borrowed from the Ultra 150, while the clean-burning, 130-horsepower engine is pulled from the 1100 STX DI. After all, we've seen most of the key features before. Please note that due to the supercharger ALL Ultra engines really do not last more than 200-250 hours. Share. Upload. air plenum box on the Ultra 250X is a great design that will flow plenty of air. Excellent condition and clear title- Displacement 1498 ccm- Engine type in line four cylinder fitted with super charger and intercooler- Fuel tank capacity 20.6 gallons- 300 hp engine- 44 engine hours- Red exterior color- Used in fresh water- Custom built trailer with title- Most powerful production PWC engine in … ... Summary of Contents for Kawasaki JetSki Ultra 250X. Download. JET SKI Watercraft. I don't think i missed anything, but if I did please let me know. The 2021 Kawasaki KX™250X cross-country motorcycle was built to conquer technical terrain, featuring a high-revving 249cc engine & coned disc-spring hydraulic clutch. ULTRA 250X boat pdf manual download. 2007 Kawasaki Jet Ski® Ultra® 250X, 2007 Kawasaki Jet Ski Ultra 250X SINGLE TRAILER AVAILBLE FOR AN EXTRA $900!! JetSki Ultra 250X boat pdf manual download. !The Kawasaki Jet Ski Ultra 250X is ... Lake Norman Cycle Works Sherrills Ford, NC - 2,112 mi. Both machines have less than 50 hours on them. Ultra 250x Problems, problems, problems I have a 2008 Ultra 250x and a friend also that we purchased the same day in June of 08. To start viewing messages, select the forum that you want to visit from the selection below. Moderators:pthoma1, Quin, kard150, btldigger. Quickview. Share this topic with: Engines & Crankshafts. Upload. Kawasaki 4 stroke; 2007 ultra 250x new engine ? Price: $2,195.00 Brand: SBT Code: 40-214A Qty in Cart: none. You'll be forgiven if you mistake the new Ultra 130 DI for an existing model. If this is your first visit, be sure to check out the FAQ by clicking the link above. away View and Download Kawasaki ULTRA 250X service manual online. 2008 Kawasaki Jet Ski Ultra 250X Supercharged. ACCOUNT CONTACT MY CART. Sea-Doo; ... STX 15F Ultra LX 2007 2008 Standard Engine. Share with: ... Engine mount to case 25 ft. lbs Engine mount to hull 27 ft.lbs. SBT New 4-Stroke Premium Engines. Coned disc-spring hydraulic clutch SINGLE TRAILER AVAILBLE for an EXTRA $ 900!. 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