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  1. I

    Alumacraft F Jet Build

    Ok, here we go. I am excited to get this under way, but nervous as all get out. I picked up the jet ski today. It is a 1988 seadoo sp with a 587 rotax. I got it for $75 The motor is torn down already, and it looks like everything is there except the front cover for the flywheel/stator...
  2. I

    Jet ski oil mix ratio

    I am starting the process of putting a jet ski motor in my boat, and am looking for input on mix ratio. It is a 1988? 587 rotax. The boat had a 9.5 johnson and it ran well at 80:1, but I am seeing 40:1 recommended on seadoo's. Has anyone run a seadoo at 80:1? Why so rich?
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