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  1. #11
    boudin's Avatar
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    Very helpful. Thanks. For reference I see approx 60psi at idle when dead cold first start. But that drops way down to 25 when warmed up. Testament to letting an engine warm up before doing WOT.

    -Greg

  2. #12
    boudin's Avatar
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    Update. I've run a full tank of fuel through and the ski is running well. 7450 RPM/14 PSI/64 mph on GPS.

    I also ordered the CandooPro GPS module, which as I understand will also remove the limiter.

    It's a really nice ski, strong acceleration and corning, pretty smooth in mild chop. Ski is super clean, freshwater and had <100 hours. It sure drinks fuel at full throttle!

    What I did:

    - Used 310 case and crank
    - Used 300 rods (thanks @grumpy_stephen)
    - New windage trays
    - New rod bolts/nuts
    - New piston rings
    - New piston pin snap rings
    - New main and rod bearings (plastiguaged)
    - New supercharger belt
    - Cleaned and spray tested injectors
    - New supercharger intake pipe (flange was broken)
    - Used exhaust manifold (due to broken bolt)
    - Lapped all valves and checked valve lash
    - All new gaskets
    - Cleaned intercooler
    - Tested oil pressure relief valve
    - Tested oil cooler thermostat per shop manual
    - Checked pump bearings
    - New Iridium spark plugs
    - New Odyssey PC625 battery and Battery Tender

    Might keep this one for a while. Though, I let my buddy in the neighborhood ride it yesterday, and now he wants to buy it.

    -Greg
    Last edited by boudin; 08-05-2020 at 07:30 AM.

  3. #13
    boudin's Avatar
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    Just a report at 10 hrs on rebuild. Running strong. Put in a rebuilt stock prop, and a CandooPro GPS module, calibrated in kph, and hitting 69 in 90+ degree water on a full tank of gas. Prop fixed a cavitation issue and ski pulls hard from a hole shot. Got to hold on!

    I love it, but decided to put up for sale yesterday local here in Houston on CL. Got to make room for more project skis... almost done with a Yamaha XLT1200 MR1 conversion, and got another Yamaha SUV coming. Also got my '93 JS550SX running good.

    -Greg

  4. #14
    Quote Originally Posted by boudin View Post
    Just a report at 10 hrs on rebuild. Running strong. Put in a rebuilt stock prop, and a CandooPro GPS module, calibrated in kph, and hitting 69 in 90+ degree water on a full tank of gas. Prop fixed a cavitation issue and ski pulls hard from a hole shot. Got to hold on!

    I love it, but decided to put up for sale yesterday local here in Houston on CL. Got to make room for more project skis... almost done with a Yamaha XLT1200 MR1 conversion, and got another Yamaha SUV coming. Also got my '93 JS550SX running good.

    -Greg
    Got a link to your CL ad? Iím in Austin, Texas.


  5. #15
    boudin's Avatar
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    Quote Originally Posted by dhmcfadin View Post
    Got a link to your CL ad? I’m in Austin, Texas.
    PM Sent.

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