Real truth here! No bs...
I'll have to say that the ol blue Ultra is doing great this yr with NO problems at all other than a lil rich on holeshot. Ya just put gas and oil in and hit start run the @#%$ out of her all day...
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power and speed will always find the weak spots....how did you crack the rideplate?im real curious about the life of all those moving parts cam/cam bearings/crank etc etc hold up to the extra rpms and...
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Thats just the price you pay for glory I was really impressed with the RXP holeshot in stock form. But the stock ones are getting slower as I speak, I guess the heat is killing them...
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Quote: But the stock ones are getting slower as I speak, I guess the heat is killing them... Yeah I finally got a chance to race one and it was a guy who bought it just to race Rxpklr. Not much of a...
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To answer a few questions to the best of my ability the 4 strokes are very reliable motors.Thats proven world wide. I'm only turning 300-360 more rpm's than stock so I dont really think that is enuff...
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Charles ...on the rpm issue killing parts...im takeing a wait see on all 4stroke skis in general (all brands) because i find it hard to believe that the industry has magically come up with a 4stroke...
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It's the price ya pay for goin fast in any kind of motor sport. Just gonna keep gettin expensive to keep that puppy rollin. That's crazy how many props and wear rings that thing is goin through...
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Jarrett, R U on crack? That would be devastating!!!! Ya still scared to get sprayed? Wish we could have ran on sum smooth water and let em eat!
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I think your on to something Tazz, but the Seadoo engine was designed for water use while the Kawasaki was "modified" from a high revs street bike, right. I may wrong about Seadoo but I think that is...
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Sustained high-rpm operation in a 4 stroke is attainable with an undersquare, short-stroke engine. The problem with high rpms is the load on the crank and the operation of the valvetrain. A short...
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Eric.....great anylisis (right on point) ...as these guys keep building up these 4 strokes they will find the proverbial "breaking point" im curious where that point is and what parts go first.cause...
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We will soon see the answer to that question Tazz, as ppl keep modding these s/c 4 strokes to the point they were not meant to achieve, lots of parts are gonna go. Gonna see some really expensive...
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Just hope when the finally reach that point they don't send you flying at WOT.
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Quote:Just hope when the finally reach that point they don't send you flying at WOT. That is the question that will be answered by some unlucky rxp owners. Really couldn't imagine hitting the water at...
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I guess we know the answer now on the valve train. www.greenhulk.net/4tec/showthread.php?t=6183
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NO Pain NO Gain. You gotta bend a few parts to go really fast. Ken
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Thanks Kenny for sharing that with this board but the ski will be fixed and running better b/f ya know it... Quote:The only thing is that the experts recommend an upgraded valve spring, locks , and...
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Might as well just get some titanium valves, retainers, springs, etc.
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