250 bhp jetski
12-05-2008, 03:23 PM
#1
Testing the future
Thread Starter
250 bhp jetski
bet that shifts
http://www.kawasaki.com/products/detail.aspx?id=197
just need to win 'bullseye' now
Engine
- Liquid-cooled 1,498cc, in-line four-cylinder engine is fitted with a supercharger and intercooler
- The most powerful production PWC in history
- 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 Roots Type Supercharger
- 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 are used
- The smaller air bypass valves releases low amounts of excess pressure build-up, for precise boost management
- The larger air bypass valves is used when excessive boost pressure is accumulated, to maintain an even intake pressure even when giving full-throttle from idle Air-to-Water Intercooler
- 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 Fuel Injection
- 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 Exhaust
- The Ultra 250X features a 4-into-2-into-1 powerboat-style exhaust system, which routes the exhaust pipe upwards.
- Liquid-cooled 1,498cc, in-line four-cylinder engine is fitted with a supercharger and intercooler
- The most powerful production PWC in history
- 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 Roots Type Supercharger
- 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 are used
- The smaller air bypass valves releases low amounts of excess pressure build-up, for precise boost management
- The larger air bypass valves is used when excessive boost pressure is accumulated, to maintain an even intake pressure even when giving full-throttle from idle Air-to-Water Intercooler
- 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 Fuel Injection
- 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 Exhaust
- The Ultra 250X features a 4-into-2-into-1 powerboat-style exhaust system, which routes the exhaust pipe upwards.
just need to win 'bullseye' now
12-05-2008, 03:29 PM
#4
cool, i went on a yamaha super jet the stand up ones and they are crazy the power they have is amazing... looked into buying one but there to much hassle in england in spain people buy them and just take them on the sea simple as
Last edited by RSricRS; 12-05-2008 at 03:31 PM.
12-05-2008, 03:53 PM
#7
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I've been on a kawasaki before, dont know what model or bhp but hit 70km/h on its digital tachometer. I thought that was fecking fast!
A friend of mine has had the chance to ride a 200bhp supercharged Kawasaki and he said its far too overpowered because you just keep catching air and its lethal in turning as the supercharger spins up big time and it keeps trying to throw you overboard and creates some huge lateral G
Must be fun though but I'd only like to ride one on SERIOUSLY calm waters!
A friend of mine has had the chance to ride a 200bhp supercharged Kawasaki and he said its far too overpowered because you just keep catching air and its lethal in turning as the supercharger spins up big time and it keeps trying to throw you overboard and creates some huge lateral G
Must be fun though but I'd only like to ride one on SERIOUSLY calm waters!
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12-05-2008, 04:14 PM
#8
is awesome
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Last edited by lead_foot; 12-05-2008 at 04:16 PM.
12-05-2008, 04:15 PM
#9
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the seadoo supercharged 1500cc are 210 standard,and the honda turbo 1400cc are not shy either,both can be tuned,we have 2 seadoos at mums 1,s a supercharged and i,ve had 110kph with my mate on the back ,its a 3 seater
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