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  1. mkov608

    Water coming in 2009 GTX LI. 98 HOURS.

    First, re-post your pictures in the correct orientation. Driveshafts are subject to a lot of corrosion especially if the owner rides it hard and puts it away wet. Carbon seals are often abused by owners who run the ski out of the water for too long. 1. Yes 2. Yes, consult the service...
  2. mkov608

    Drive shaft splines lubricant

    I use ExxonMobilith SHC100, and I use that in my jet pump bearings too because it matches the factory fill for the angle bearing (the grease that is packed into the new bearing when you receive it from the manufacturer.)
  3. mkov608

    GTX 4 tec runs rough at idle for 5 minutes

    A Leak down test is easy, but you'll need a good quality leak-down tester and and air compressor. 190 sounds a bit high for an 11:1 compression engine. I've heard of intake manifold leaks causing poor running conditions when an engine is cold; as the engine warms up, things expand and the leak...
  4. mkov608

    2007 gtx 155

    Check your grounds; then put a multi meter on the battery; What is the voltage with the key off the post and what is the voltage drop when you install the key?
  5. mkov608

    Had enough

    The reason I asked about the seat is, I had a ski with a similar problem. So, I used Sea-Foam spray to clean up the engine (the exhaust smokes like crazy the Sea-Foam sits in the engine for the suggested 5 minutes after application). That's when I found out my J-pipe was leaking exhaust into...
  6. mkov608

    Had enough

    When you rev it on the trailer, is the seat on or off?
  7. mkov608

    Question on timing chain alignment

    Yep ... I just rebuilt my 2107 GTR 230 engine, and it was exactly like your pictures.
  8. mkov608

    Low Cyl. pressure Oil on plug

    Pull the plug and use an articulating scope to inspect the cylinder. I had a bad issue last season ... melted a piston. I burned through the cylinder liner too.
  9. mkov608

    2002 GTX 4-TEC

    I have a factory 2002 GX 4-Tec impeller in a box on my shelf in the garage if you need one. It's in really good shape.
  10. mkov608

    Nose cone bolts - do I really need to use new or apply Loctite?

    Yea ... Sea-Doo loves to tell you to replace the bolts! Torque is 66 in lbs on those fasteners; too tight and you'll pull the bolts through the impeller cover.
  11. mkov608

    trying to diag a bad ecu or wiring issue

    Contact the guys at Can Doo. They have always provided me with excellent support. Your first step it to get that Can Doo working do you can see what DTCs are stored in memory.
  12. mkov608

    Searching

    Would help to know where you are located.
  13. mkov608

    2021 Sea Doo RXTX won’t accelerate past 6000 rpm

    Yes, I believe it is possible to program a yellow key as a learner key. You'll need a Can-Doo Pro or similar tool to find out. I can't remember if the display will indicate a learner key is installed on the post. I'll try it on my 2017 GTR tomorrow and let you know.
  14. mkov608

    2002 GTX 4-TEC

    I had 2 of these skis. One of them had the same problem you mention (only 43 hours on the skis when I picked them up in 2012); it turned out (with Ski-Doo's help), to be a bad J-pipe. I had an exhaust leak leaking into the hull, so the engine was sucking in exhaust gasses. That kinda kills...
  15. mkov608

    acceptable oil pump wear?

    https://seadoomanuals.net/download/pdf/service/manuals/2006/2006-seadoo-service-shop-manual.pdf
  16. mkov608

    acceptable oil pump wear?

    Looks like you need to replace your oil pump, primary and scavenge. No, it's not normal for your water pump impeller to wear a groove into the housing. Specifications and assembly instructions can be found in your specific service manual; it's available for download. The manual nomenclature...
  17. mkov608

    Multiple codes on 19 rxtx 300

    U16a1 and 2 are CAN (network) faults with the cluster. The first step would be to check the wiring between the cluster and the ECM. Sea-Doo uses a single twisted pair for their network wiring. Problem is even the dealerships don't have much training or knowledge on troubleshooting network...
  18. mkov608

    2020 RXT 300 Beep and Limp Mode. No codes stored

    P0298 ... engine oil overtemp right? 1st step in the manual. "Check for debris/blockage in the lubrication system." Do you know if the engine has been out for repair? Calas performance has a lot of videos on You Tube where he pulls apart engines that the "assembler" killed it with too much...
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