98 XP limited power problems - Seadoo Forums
Need OEM parts for your boat or PWC? Visit SeadooWarehouse.com
Results 1 to 3 of 3
    Junior Member
    Join Date
    Aug 2007
    98 XP Limited Seado, 2004 F15 kawasaki
    Thumbs Up
    Received: 0 Given: 0

    Default 98 XP limited power problems

    My 98 XP is having problems with power. I have had the prop changed, due to 5K feet altitude. Running very rich, shop turned down the carbs and now I am only getting 6,000 rpm, before used to get 6900. My Rave valves are loading up with oil and carbon too. Has anyone seen this, I am thinking that they have taken my carbs down too low, and I have them jetted also. Does anyone know if there are adjustment screws on the bottom of the carbs for the top end?

    0 Not allowed!

  2. # ADS

  3. #2
    JoeZ's Avatar
    Join Date
    Dec 2006
    Thumbs Up
    Received: 160 Given: 85


    yeah sounds like it. THere are high speed screws right next to the spring for the throttle. It should be sealed by a plastic cap, but you don't remove the cap to adjust it. There are pictures and details instructions for how to adjust them in the shop manaul, but basically counterclockwise will richen the mixture and clockwise will lean it out.

    0 Not allowed!

  4. #3
    seadoosnipe's Avatar
    Join Date
    Sep 2007
    Deep South
    1997 Challenger, 1997 GTX , 1991 SP and a shop with 2 spare 787cc's and a bunch of parts laying arou
    Thumbs Up
    Received: 78 Given: 0

    Default RAVE valves!

    I agree with Joe, sounds like your running to rich. Especially if your noticing oil and carbon build up on your rave valves. There should be some light carbon build up over years of use, but no real oily residual. With the presence of oil, running rich, the motor's not getting hot enough to burn off the lubricating part of your oil. Careful on leaning it out though, to much can lead to serious damage.........and check your spark plugs, this will tell you if you need to lean out or enrichen.
    Looking at our manuals for your engine, there is a paragraph I read in there about re-jetting the carbs for altitude and temperature. There's several pages on how to adjust your carbs from a dead start. Way to much detail for me to try and give you here, but detail that's easily understood by someone who has basic mechanic skills. A very important section on adjusting the oil injection pump if your carb adjustment changes these settings (provided your not using pre-mix instead).
    Last edited by seadoosnipe; 09-11-07 at 05:32 PM.

    0 Not allowed!

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. HELP...99 xp limited ingesting water
    By skidooem in forum 2-Stroke Sea-Doo PWC forum
    Replies: 1
    Last Post: 09-01-08, 10:21 AM
  2. 1998 gsx limited Head gasket
    By redrocket in forum Non-Seadoo PWC Talk
    Replies: 1
    Last Post: 09-05-07, 10:14 AM
  3. 98 GSX limited takes on water
    By ringer16 in forum 2-Stroke Sea-Doo PWC forum
    Replies: 0
    Last Post: 07-23-07, 05:56 PM
  4. seadoo 99 xp limited
    By kristie in forum 2-Stroke Sea-Doo PWC forum
    Replies: 2
    Last Post: 07-22-07, 10:58 AM
  5. 98 GSX Limited.... Help me Please!!
    By trevorjustice in forum 2-Stroke Sea-Doo PWC forum
    Replies: 1
    Last Post: 07-17-07, 11:22 AM


Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
Register forum what's new