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Hi Guys, new to this forum,but i done a bit of reading before posting. This is my second ski, first was a stx 15f
Bought the ski over a week ago without testing, i know this was a huge risk, but it was a good deal lol. Started up straight away, ran on hose, checked tilt/trim, oil etc. Yep i know you cant tell alot but thats how i bought it.
Anywat, ski came with full fuel tank and on first outing wouldnt pull over 6800 rpm and 74kmh, straight away my heart sank as i thought id bought a lemon, tried a few hard runs and this is all it would hit, boost was down too, on way back to ramp the idle was pretty low and oil pressure warning started....cry.
Following day i done a bit of reading and decided to check over the ski, called the Kawa dealer and ordered new plugs, filter and oil.
After reading through forums i decided to pull the supercharger idler assembly off and also the exhaust filter. The idler was pretty rusty and had some play in bearing so decided to replace this, but the tensioner worked well, the exhaust filter was not even there anymore, and looked like it had never been changed, have one on order but it wont be hear till after New Yrs.
Oil was pretty dirty and it took me 3 hrs to get the bloody filter off as it looked like it had been on a while.
At this point im thinkin this ski had never been looked after very well.
Spoke to previous ownerr about the fuel nd he told me he only used the ski 3 yimes over the year of ownership and always topped tank up after each use, so fuel was obviously no good, so drained 70 litres into cans and refilled with fresh 98.
BAck to the boat ramp at Matilda Bay and told kids to wait while i went to test, fingers crossed.
Took her out and done a couple of runs each time increasing speed. After a bit of a warmup i got into it, acceleration was so much stronger, initially hitting 7800 and full boost then dropping off at top end to 7200 - 7400. I recorded a top speed of 84kmph and 7450 rpm.
Decided to try a bit of freestyling to see how it felt with some hard turns etc and it felt nice, but noticed it was cavitting bad out the hole on hrd tuns.
Nek minut river cops show up and the lady officer who was obviously in a foul mood started lecturing me about freestyling in a none designated area.......i was in the middle of the bay litterally 2kms from shore at 6pm on the day before Christmas Eve, the waterways were dead.
Anyway i ended up with a ticket even after expalining id owned 3 large boats, 2 jetskis and knew the water rules and was just testing the ski.
I headed back to ramp and picked the kids up and spent approx n hr on water, alot of hard runs and used approx a 3rd of a tank of fuel, jesus these things chew on full noise. Best i could log was the 84kmph and 7450 rpm. Some cavitation on initial accel out of hole but it pulls bloody hard once hooked in.
I thought these skis were good for over 100kmph? Im thinkin either a faulty speedo sensor or somthin, im back out tomorrow so will try and get a few runs and record speed on my phone, i also read that the throttle cble may need adjustment, and clogged ICs?
The good thing is i had no more issues with the oil pressure warning and idle was alot better.
Any advice on what else to try would be greatly appreciated.
Cheers
Bought the ski over a week ago without testing, i know this was a huge risk, but it was a good deal lol. Started up straight away, ran on hose, checked tilt/trim, oil etc. Yep i know you cant tell alot but thats how i bought it.
Anywat, ski came with full fuel tank and on first outing wouldnt pull over 6800 rpm and 74kmh, straight away my heart sank as i thought id bought a lemon, tried a few hard runs and this is all it would hit, boost was down too, on way back to ramp the idle was pretty low and oil pressure warning started....cry.
Following day i done a bit of reading and decided to check over the ski, called the Kawa dealer and ordered new plugs, filter and oil.
After reading through forums i decided to pull the supercharger idler assembly off and also the exhaust filter. The idler was pretty rusty and had some play in bearing so decided to replace this, but the tensioner worked well, the exhaust filter was not even there anymore, and looked like it had never been changed, have one on order but it wont be hear till after New Yrs.
Oil was pretty dirty and it took me 3 hrs to get the bloody filter off as it looked like it had been on a while.
At this point im thinkin this ski had never been looked after very well.
Spoke to previous ownerr about the fuel nd he told me he only used the ski 3 yimes over the year of ownership and always topped tank up after each use, so fuel was obviously no good, so drained 70 litres into cans and refilled with fresh 98.
BAck to the boat ramp at Matilda Bay and told kids to wait while i went to test, fingers crossed.
Took her out and done a couple of runs each time increasing speed. After a bit of a warmup i got into it, acceleration was so much stronger, initially hitting 7800 and full boost then dropping off at top end to 7200 - 7400. I recorded a top speed of 84kmph and 7450 rpm.
Decided to try a bit of freestyling to see how it felt with some hard turns etc and it felt nice, but noticed it was cavitting bad out the hole on hrd tuns.
Nek minut river cops show up and the lady officer who was obviously in a foul mood started lecturing me about freestyling in a none designated area.......i was in the middle of the bay litterally 2kms from shore at 6pm on the day before Christmas Eve, the waterways were dead.
Anyway i ended up with a ticket even after expalining id owned 3 large boats, 2 jetskis and knew the water rules and was just testing the ski.
I headed back to ramp and picked the kids up and spent approx n hr on water, alot of hard runs and used approx a 3rd of a tank of fuel, jesus these things chew on full noise. Best i could log was the 84kmph and 7450 rpm. Some cavitation on initial accel out of hole but it pulls bloody hard once hooked in.
I thought these skis were good for over 100kmph? Im thinkin either a faulty speedo sensor or somthin, im back out tomorrow so will try and get a few runs and record speed on my phone, i also read that the throttle cble may need adjustment, and clogged ICs?
The good thing is i had no more issues with the oil pressure warning and idle was alot better.
Any advice on what else to try would be greatly appreciated.
Cheers
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