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  1. J

    2018 Seadoo GTX 155 (75Hrs) Only Goes 40 Mph

    FWIW mine goes over 42mph depending on current and conditions, fastest was 47. So at least for me it’s not a hard set 42mph limit
  2. J

    2018 Seadoo GTX 155 (75Hrs) Only Goes 40 Mph

    I’m going to try new plugs next and then maybe aftermarket coil packs as a test. They probably suck but I figure it’s a relatively inexpensive test and I can buy OEM if i identify a weak one. My wife and I went out last weekend and the little spark 90hp with a new Solas impeller hit 50mph...
  3. J

    Grounding wire 278003272 broke off

    I broke this little grounding wire, about 10" long in the rear of the Spark. It's part #278003272 which goes from a bolt in the lower shell to a screw that threads through the hull into the jet pump support plate. I tried backing out the torx screw but it broke off. So...what is that ground wire...
  4. J

    2018 Seadoo GTX 155 (75Hrs) Only Goes 40 Mph

    I'm going through same troubleshooting process on a 2018 Wake 155. runs great, quick acceleration but won't go over 45. Wear ring was thrashed so I assumed that was the problem but to my surprise a new stainless ring made at best 1-2 mph difference. Prop isn't like chewed up but it's worn, so I...
  5. J

    stone broke wear ring but also that small black tube

    Old thread but this same thing just happened to me. Rock destroyed impeller and also that plastic pipe. Then my exhaust system lost coolant , and the water box /muffler thing exploded from overheating and probably small amounts of water getting in to the overheated muffler. Blew a 2 inch hole in...
  6. J

    Hole in exhaust waterbox

    Holy Canoli! The exact same thing happened to me!!! In fact I was suspicious for a second that I bought your Spark haha. The hole is in the same spot as mine too and I have the melted sensor just like yours. What was your fix besides obviously replacing the muffler?
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