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  1. Cheap Engineer

    97 seadoo challenger 1800 - Looking to buy advice please

    I bought a 98 Challenger 1800 in the fall of 2013 for $4250 in SE Michigan. My boat had great compression, good interior, but it needed a few things. I put wear rings and new carbon seals, boots and fixed one of the impellers. Cleaned the carbs and added Hydro Turf and have been running it...
  2. Cheap Engineer

    Advice on buying used 1999 Challenger 1800

    I have a 98 Challenger 1800 that I bought two years ago. I have to agree the price seems high and the hours seem high too. Also selling a boat at the end of the season usually results in a lot lower sale price. I would check the compression of the engines to see how healthy they are, mine was...
  3. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    Been working on the cosmetic side of the boat now that it is running well. Put in hydro turf, new stereo, painted the windscreens and got rid of the ratty cup holders for some nice stainless steel models. Still a few things left to do. The rubber trim around the windscreen is missing on the...
  4. Cheap Engineer

    New Boat with Tons of Questions... Aftermarket stereo wiring, fuel gauge fix, etc.

    Just did the stereo in my 98 Challenger 1800 the other day. I had the factory radio and the correct color wires were there, red and yellow for power. Now if you just have orange and you check and make sure there are 12 volts there just hook it up to the yellow or red wire and you should be...
  5. Cheap Engineer

    97 seadoo challenger 1800 stalls on idle only, now won't start- please help!

    It is a 16 year old boat and the carbs haven't been gone through. You can add all the fuel stabilizer and cleaners you want but you are still going to have to take the carbs off and give them a good cleaning. There are guides online and the service manual has all the info. Just do one side at...
  6. Cheap Engineer

    97 seadoo challenger 1800 stalls on idle only, now won't start- please help!

    Always a good idea to check the compression and it isn't very hard to do. On my 98 the internal carb filters were filthy. Once I cleaned those the engines ran much better. New plugs are always a good idea. Should always carry an extra set on the boat just in case. Check your repair records...
  7. Cheap Engineer

    97 seadoo challenger 1800 stalls on idle only, now won't start- please help!

    Do both engines stall? Have you done a compression check? If so what are the numbers. What kind of oil did the previous owner use and what are you using?
  8. Cheap Engineer

    Looking at buying a 2010 Seadoo Speedster 155

    If it is a 1999 that he is looking at it should have twin 787s in it. 2000 and later went to the Merc jet system. I've got a 1998 Challenger 1800. It is a great boat, but it is more work to keep it running smoothly then a 4-tec equiped boat. Of course I only paid $4250 for my boat a year and...
  9. Cheap Engineer

    Is it ok to run both challenger engines off one battery?

    My 96 Speedster had two jet ski batteries. I removed them and installed a single Optima blue top. I had to cut the battery trays so that it would fit and modified the rubber tie down a little. I ran both postive wires to the postive post and both negative wires to the negative post. Ran this...
  10. Cheap Engineer

    What is this? 96 speedster

    Check this link. I think it is parts 10-14. http://fiche.seadoowarehouse.com/seadooforums/showmodel.asp?Type=13&make=seadoojb&a=187&b=23&c=0&d=-HULL---ACCESSORIES
  11. Cheap Engineer

    What is this? 96 speedster

    I'm going from memory, sold my 96 Speedster at the begining of the year. It should be the vent lines for the batteries. If you converted over to a regular battery vs the little jet ski batteries you can just leave it hanging there. Nothing has fallen off, there isn't a cover like on the fuel...
  12. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    Latest update. I'm up in northern Michigan over by the Sleeping Bear Dunes. Towed the boat 250 miles up here. The brakes on the trailer worked great. I'm towing with a Toyota mini van. My Speedster would push on the van when you tried to stop. With the brakes on the Challenger you don't...
  13. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    Nice pictures. Both of my carbon rings look just like that. I wish I would have noticed it earlier so I would have an idea of which way it was out of alignment. I'll see if I can find the alignment tool locally, but I found that I could rent it from SBT for $75 so that isn't too bad. How...
  14. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    Wow, great call. I just pulled the carbon seals out of the boots and yes both of them have wear marks where the driveshaft was rubbing. Now I'm almost positive that these are the original engines and they haven't been pulled out. Must have came that way from the factory. Looks like I'll need...
  15. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    All the carbs are back together and the boat runs great, on the trailer. I didn't rebuild the carbs just cleaned them. It could be a winter project to rebuild them, but I want to get on the water soon. I also pulled the carbon rings off. The left side is the port side and looks beat up...
  16. Cheap Engineer

    95 speedster battery conversion

    I've done this conversion on my 96 Speedster. There were two small jet ski batteries and no switch. Each engine had its own battery. All I had to do was combine the positive and negative wires from each engine onto one larger battery. This was a great mod. For the 5 years I owned it I used...
  17. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    The port side engine came apart pretty easy. Somebody has obliviously been in this engine before. There was a broken bolt on the spark arrest box that looks like I will have to drill out. Now the interesting thing is once I took the carbs apart and pulled the filters. Sorry the picture...
  18. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    Yes, the new wear rings came with a neoprene seal, but there wasn't one on there when I took the pump off. No black sealant either. Here is a nice picture of my son on the boat on the second water test. He enjoyed floating in the lake for a bit after beating him up on the waves. Of...
  19. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    I broke two of the four that hold the box to the carbs and one of the six that was holding the spark arrest to the box. Lucky there was enough sticking out so I just put some heat to it and backed the broken piece out with a pair of pliers. It seemed like there was locktite on them so I...
  20. Cheap Engineer

    1998 Challenger slight refresh, at least I hope

    To get ready for my second water test I put new wear rings in and had the beat up impeller reworked by SBT. The refurb impeller looks great and the new wear rings make it a really close fit. The port side pump intake had a bit of damage to the gelcoat. A little epoxy and sanding and the...
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