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  1. M

    Water in Tuned Pipe

    I have a 2004 Seadoo 3D with 787 RFI. While I was winterizing and pouring antifreeze into the pipe head, or tuned pipe through one of the water lines (as per the manual) I realized it never filled and found a crack in the tuned pipe on the bottom that was just dumping the antifreeze into the...
  2. M

    How much oil inside 787 RFI

    I'm preparing my engine to send off for a rebuild and while it was on the bench and I was pulling stuff off of it, it dumped out a lot of oil. Probably half a litre, sorry, half a quart. When I put this thing back together once I get it back from rebuild, how do I get the appropriate amount of...
  3. M

    787 RFI Leakdown Test

    I'm sorry if this has been covered but I've been searching and haven't found a write-up for doing the EFI Leakdown test. This is completely new to me so I'm not at all sure how to set this up. I found info for the carbuerated engines but not for the RFI. My understanding is I need to block off...
  4. M

    Water in expansion pipe?

    I'm battling with a 2004 Seadoo 3D 787RFI with low power and have another thread going to try and figure that out. I thought I would pose this next questions sepealratley as it might apply to other people as well. The manual says low power can be a result of water in the expansion pipe due to a...
  5. M

    787 RFI low power

    Hi everyone, New to seadoos and I just bought two 2004 seadoo 3d RFI units. The one runs quite well after an initial 5 minutes of running really rough and smokey... I think it was just burning some buildup from storage. The second one is causing me some issues, seems to run about 1/2 the...
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