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  1. Machinist measured .019 top .030 second ring. No...

    Machinist measured .019 top .030 second ring.
    No damage or signs of the gap closing in on itself. It was not a piston ring gap issue.
  2. Maximum engine temperatures on logs shows...

    Maximum engine temperatures on logs shows 188-191F.
    Only a few short, WOT runs where done after 7 hours or so.
    Approx 5 heat cycles within the 10 hours
    12-12.3 AFR on Idle
    13-13.8 up to 5000 Rpms...
  3. CP 100.5mm skirt coated Pistons at .0040 Piston wall clearances fails big time

    Just helped a buddy pull his engine out of a seadoo speedster 150 with CP Pistons set at .0040 PTW clearances measured off the skirt coating. 100.5mm oversized pistons. He had the ET137+4MM SET UP,...
  4. The o-rings in the ball bearing with bellows...

    The o-rings in the ball bearing with bellows rides on that scuffed up surface that you scratched up by sanding. It maintains a seal to prevent engine oil from spilling in to your hull.. The...
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    I would sell it and stick to bicycles... Like the...

    I would sell it and stick to bicycles... Like the non gas powered type.. Maybe an electric bike would be safe as well..
  6. You just opened a can of worms. Even after being...

    You just opened a can of worms. Even after being given advice for a simple fix of removing the PTO cover...
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    I've seen some which the gear on the flywheel,...

    I've seen some which the gear on the flywheel, that the supercharger rides on is completely worn off. Removed the supercharger and feel inside for 2 full sets of gears on the flywheel. When you reach...
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    If it has the ceramic clutches/washers rebuild...

    If it has the ceramic clutches/washers rebuild the whole unit with the most up to date kit. ASAP. No, don't just replace the washers...
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    You have to pull very hard in and out till it...

    You have to pull very hard in and out till it comes off. Its just spline to splines.. it has a rubber bumper at the tip of it. Make sure you remove the c-clip from the floating support ring that...
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    How many hours have you put on your Wiseco piston...

    How many hours have you put on your Wiseco piston set up?
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    Is there any risk of hydro locking the engine...

    Is there any risk of hydro locking the engine with any of this condensation? I am asking as a few days back while going from 6000 rpms to Wot, I could feel the engine go from WOT back down to 5-6K...
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    With the same impeller? In the long run BOOM.....

    With the same impeller? In the long run BOOM.. 600 more RPMs due to more power and larger impeller, better top speed.
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    Or go with an ET137 and a tune for reliability....

    Or go with an ET137 and a tune for reliability. You may want to refresh the engine with a rebuild at this point..
  14. I let off 80 rounds of American eagle .44 magnum...

    I let off 80 rounds of American eagle .44 magnum bullets over the weekend at the club without a single issue.. Runs better then a seadoo?? lol..
  15. Thread: IC repair?

    by tiderider
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    208

    Go fizzle or go home with the intercooler..

    Go fizzle or go home with the intercooler..
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    Do your flywheel bolts or else... I lost an...

    Do your flywheel bolts or else... I lost an engine to the flywheel bolts in the past with the ET127+4mm set up..
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    Pressure test the intercooler.. Supercharger slip...

    Pressure test the intercooler.. Supercharger slip test? Spark plugs are new? Test the ignition coils.. Verify fuel pressure.
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    It would depend on the catalogue number of your...

    It would depend on the catalogue number of your ECU. 420664946 is for the 2007 speedster 150 215hp ECU which is on Riva's list of can tune ECUs.. as an example. Boats have an issue with the ecu being...
  19. The newer OEM valves would work great. I...

    The newer OEM valves would work great.

    I typically verify that the valves do no have much side to side play when its in the valve guide. All valve stem seals get replaced. The new valves have to...
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    Fuel pump or its fuse..

    Fuel pump or its fuse..
  21. Shell Rotella T6 5W40 synthetic is doing very...

    Shell Rotella T6 5W40 synthetic is doing very well on 4 PWC this year (SC and non SC engines). I put it in all 4 stroke rotax engines. I picked up a few large pails at a great price. Works out to $5...
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    Did your fuse melt at its terminals? Or did if...

    Did your fuse melt at its terminals? Or did if blow, as in like a short circuit or overload? If it melted (Melted plastic terminals), its probably due to a loose or dirty connection when the fuse is...
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    Numerous times Seadoo water crafts come out of...

    Numerous times Seadoo water crafts come out of the factory with the engine/driveshaft needing alignment. Looks like their factory does this process with 1 eye closed.. I've seen many with either...
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  25. This thread should be moved to Sea doo open...

    This thread should be moved to Sea doo open discussion..
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