1. winn

    1997 Seadoo Sportster Rough Idle/sputtering and dies when i open throttle.

    I recently purchased a 1997 Seadoo Sporster and it is cosmetically in rough condition. But started fine. I got it in the water and it started normally and idled great, but I found out the wear ring needed to be replaced when RPM’s were normal but had low acceleration and speed. Got that done and...
  2. A

    1995 speedster engine swap

    Situation: I was able to get a 1995 speedster for $800. One engine is bad and the other is questionable. I came across a deal for 2 engines shafts, props and housings Including the control computer for the pair for $1000 The replacements are 711cc off of a 97 speedster. What issues will I run...
  3. S

    Seized motor

    I have a 97 XP with the 787 carbed, starter hits but does not turn over I took the head off and the pistons flutter a little but does not make a full rotation seems seized but why do pistons move? Please help
  4. sbkraft99

    Add horn to 1997 Seadoo Challenger?

    Good Morning! I just picked up my first Seadoo Jet Boat (97 Challenger). I understand that horns were not installed until 1998 - Any recommendations on adding a horn to the 1997?
  5. MrDuVwah

    1997 Seadoo Bombardier GSI ECM/MPEM failure - need part!!

    Howdy folks, I have a 1997 Sea-Doo Bombardier GSI that has recently been giving me some pain. After a lot of trial and error, the issue has been narrowed down to a dead ECM/MPEM Problem is, I can’t find a replacement one anywhere! Apparently this specific model is extremely hard to find and I’m...
  6. T


    Hi there. Our boat is for sale, located in Seminole Florida 33772. Long Story Short... This was our first boat and I don't have the time nor patience to continue ownership. Boat was purchased in May of 2019. Went for an excellent test drive with no issues whatsoever. However when taking it out...
  7. S

    1997 Seadoo XP MPEM

    Hello, I just picked up a seadoo xp 787 1997 for cheap with a trailer since it was hydrolocking with oil in the PTO cylinder. I was able to get it running today off starting fluid, put it in the water and let it run for a while to burn out the oil. It worked pretty well and the ski restarted...
  8. Caljpatt

    Does oil injection ever fail on the GTX’s?

    My oil injection has failed, but not in the way that you think, it will not stop pumping oil into the cylinders. The result is a lot of oil everywhere as I try spinning it over with the plugs out to clean it out a bit. Just posting this while I take a break for the starter, so I don’t blow it...
  9. M

    1997 GTX, tries to start when connecting battery

    Thanks to the members, great advice here. I've been lurking for too long, it's nice to be a member. So, I've got a 97 GTX. When I connect the battery it immediately tries to start. My battery was dead and I jumped it using my boat battery. The boat battery was in the driveway and not...
  10. Beatonc

    1997 Sea Doo Bombadier XP

    Hello! So this past Saturday I bought a 97' Sea Doo Bombardier XP. Sunday I took it out (the day after I bought it) and it started fine, idled fine and then when I got out of the No Wake zone I went full throttle and it seem very very slow to plane. I would say it took about 6 seconds. Its...
  11. T

    Loose throttle on 1997 Challenger; How do I tighten it up?

    The throttle handle on my boat is loose. Meaning I have to constantly have my hand on it when I have it on low to medium throttle. Otherwise, it "falls" back down to idle. Anyone know how to tighten it up so that it won't do this?
  12. K

    1997 GTX Cranks But No Start

    I have a 1997 Seadoo GTX with maybe 80 Hours on it. When i first got it, it ran beautifully for half a summer and then one day it just cut off. I have since changed all fluids such as oil, new gas, new spark plugs, new lanyard, new battery. The engine cranks, but never turns over. The Dashboard...
  13. H

    1997 Seadoo Challenger / No start

    Hi everyone, First off, I'm very new to this site as this is my first thread. Just bought the boat sunday from someone I know and knowing it wasn't starting. Last year when they took it out for the last few times, it would cut out and not restart for a while, so they bought a new key; Problem...
  14. E

    1997 GSI MPEM Problems

    I have a 1997 GSI and I suspect the MPEM is bad. I can't get the engine to turn over using the start switch. I checked the switch and have 0 ohms when pressed. I checked the DESS post and it I get 0 ohms between the black wire and the black/yellow wire with the tether installed and infinite...
  15. H

    1997 GTX MPEM Question

    I recently purchased an aftermarket Arieltek MPEM for my 1997 SeaDoo GTX, at a savings of over $750 CDN funds, over and above the Bombardier unit. The 5 amp was blowing . Did all the diagnostics that I could based on info from the net. I am not that technical. Plugged the new MPEM in and the...
  16. pwnzor18

    97 XP Starting Trouble

    Here goes the first post ! My problem is this . I recently bought a 1997 Seadoo XP and was told that the starter needed to be replaced because it seized up over winter. To make sure it wasn't the solenoid, i crossed the terminals on the solenoid to bypass it and still nothing. I took the...
  17. D

    97 GTX Intake Grate - missing

    I just discovered that my intake grate in missing. What would this do to the way it runs and the speed of it?
  18. Zadriel

    Yellow Paint for 97 GTI? Where to get?

    Hey guys, where can I pick up a good color match for the yellow paint on my 1997 GTI? You can see them in my icon pic by my name. I really need just to touch up a couple of spots and would prefer that to repainting everything. Also, I'm not sure, but this looks more like paint to me than...
  19. B

    787 infomation center wiring

    I have a 97 GTX that was in a minor collision with dock. The Information center wiring was partially torn loose, resulting in about four wires that must be re soldered to the circuit board. I have searched all of the available wiring diagrams, but none seem to show the order that the wires are...
  20. Zadriel

    How much oil does a 97 GTI hold?

    I'm replacing the oil in my 1997 GTI skis. Guy I bought them from was using tcw3 oil. I've drained one, but need to know HOW MUCH TOTAL OIL capacity does the ski hold? Engine & Oil Tank? I've ordered 3 gallons of synthetic for both skis change. But, I'd like to have a gallon afterwards for...