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Hey I am new to this forum and new to wave runners, but I have read a lot of great information in here so I thought I would see if anyone has any good advise or opinions regarding my PWC.
I have a 2004 1200xlt with 66 power valve and a D-Plate. The oil tank has been blocked off and a plate installed.
While riding last year I discovered piston #2 had lost compression; I was told that the power valve had come apart and damaged the piston; so I sent it off to PWC Engines in New york to be professionally rebuilt. (Not sure if that was my first mistake).
Engine came back and had it installed by a reputable PWC shop and the carbs rebuilt with original Kuni rebuild kits.
I followed all the recommendations for breaking in a new engine; 30 minute runs at 10%, 20% and then 40% ect; extra oil in the mix; I even brought 3 sets of new plugs in case I fouled a plug. Well the bike ran great the first two runs; plugs looked identical across all 3 cylinders. I refueled and put in a set of plugs for our 30min 50%-60% run and you guessed it....10 minutes into it ,and it came back limping. The case was shattered; the #2 piston had melted down. Well now it has been rebuilt again under warranty (ya right)..... and of course I have been told that it was not the re builders fault; but an oil starvation/lean situation. I don't care whose fault it is at this point; I just don't want to have another melt down....any ideas or opinions on this situation would be great; things to watch out for. I have read about changing the jetting; but with extra oil and the plugs looking good; I am not sure how a lean situation could have occurred like these guys where saying.
I have a 2004 1200xlt with 66 power valve and a D-Plate. The oil tank has been blocked off and a plate installed.
While riding last year I discovered piston #2 had lost compression; I was told that the power valve had come apart and damaged the piston; so I sent it off to PWC Engines in New york to be professionally rebuilt. (Not sure if that was my first mistake).
Engine came back and had it installed by a reputable PWC shop and the carbs rebuilt with original Kuni rebuild kits.
I followed all the recommendations for breaking in a new engine; 30 minute runs at 10%, 20% and then 40% ect; extra oil in the mix; I even brought 3 sets of new plugs in case I fouled a plug. Well the bike ran great the first two runs; plugs looked identical across all 3 cylinders. I refueled and put in a set of plugs for our 30min 50%-60% run and you guessed it....10 minutes into it ,and it came back limping. The case was shattered; the #2 piston had melted down. Well now it has been rebuilt again under warranty (ya right)..... and of course I have been told that it was not the re builders fault; but an oil starvation/lean situation. I don't care whose fault it is at this point; I just don't want to have another melt down....any ideas or opinions on this situation would be great; things to watch out for. I have read about changing the jetting; but with extra oil and the plugs looking good; I am not sure how a lean situation could have occurred like these guys where saying.
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