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1995 GTX Electrical vs. Fuel Problem

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95GTX4PEAT

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Hello all,

Thanks in advance for you advice!

A few months ago I replaced the steering cable. As soon as I was done I dropped the ski in the water and ran it all day, with no problems. I tied the ski to the dock when I went in for the night and the next day found the ski sitting much to low in the water. I lifted the seat to find the ski had filled with water almost up to the plugs, big oops (I had failed to tighten the nut on the steering cable). The ski sat with water in it for a few days before I could convince a neighbor to let me use his boat ramp. Once out of the water I pulled the plugs and got all the water out of the engine. I started up the ski and ran it on the trailer for the next four days then on the fifth day it wouldn't start. I took the ski to my mechanic and he rebuilt the carbs and got some water out of the gas. The ski ran great on the trailer, I dropped it in the water and it idled well. When I got on the throttle (with two people) it bogged down and wouldn’t get on plain. I took the ski back to my mechanic and he tore apart the carb cleaned out a bunch of gunk and got it running on the trailer great (hitting the rev limiter no problem). I dropped it in the water this time with him with me and the ski would go about 15 mph if I got into the throttle slowly but would bog out if I tried to go faster or got into the throttle fast at all. With the ski back on the trailer we pulled each plug and determined that the ski was dropping the rear cylinder and that the cables were in need of replacement as I was shocked. I bought a new ignition coil, new plugs, new caps, and new cable. Once again the ski ran well on the trailer but once in the water bogged down as it had before. I took the ski back to my mechanic and he cleaned out the pump that he said we packed with weeds (my lake does have a ton of weeds...). He got the ski running well on the trailer, we took it for another test ride and it had power initially and reversed off the trailer well and plained out quick like it was running well, I let off the throttle to cheer got back on it to go for a ride and it bogged down. Took the ski back to my mechanic and that’s where it sits right now. My mechanics next idea is to replace the stator, he thinks it’s just the high speed coil that is broken but he said its such a chore to replace that it only makes sense to replace the entire stator which he says includes the high speed coil.

FYI
I am not sure if the ski still has the old fuel lines, I will find that out first thing tomorrow.

I trust my mechanic, he has always done a good job and he's much less expensive than the dealer or anyone for that matter but this is becoming expensive...

Questions
Do the items that have been replaced all make sense?
Are their other items that I should recommend prior to the proposed stator replacement?
Is it fuel or electrical or both...?

All advice is appreciated.

Thank you
 
With a basically sunk machine, I would be tempted to inspect INSIDE the MPEM box, if it has a rear electrical box check in there, you can pull off the MAG cover and look in there but it should be sealed water tight when on if the seals are good. There is no high speed coil? Theres a stator in the front of the machine. But bogging to me sounds more fuel related.

You should check the fuel lines to see if they are the old ones and chuck them. Check your compression. Is there water in your fuel? The intake has been off so there shouldnt be any water sitting in that. So Im not sure. Get back to us.
 
6KJR

Sorry for the slow response.

Thanks a lot for your guidance. You may have saved me a great deal of money. It seems like the problem in the end was in the fuel system as you suggested and the assumption by my mechanic that the carb set points were factory (which they were not). My mechanic ended up replacing all the fuel lines, adjusting the card to factory, and getting all of the old gas out of the tank/ putting in some high octane and it ran great. I'm not sure if every part that was replaced along the way was required/broken but the ski is running and that that's whats most important to me. My only problem now is that the ski has a tendency to not idle well (it dies after a few seconds at idle). Can anyone provide me with some guidance as to what might be my problem. Do I just need to adjust the idle carb screw?

Thanks
 
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