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  1. Thread: Water in Oil

    by K447
    Replies
    2
    Views
    33

    Tip: If the hull is taking on very little water...

    Tip: If the hull is taking on very little water on a typical ride, leave the drain plugs installed when the ski is put on the trailer.

    One less thing to potentially forget about at the launch ramp.
  2. Replies
    74
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    15,712

    My understanding is that the factory fitted bilge...

    My understanding is that the factory fitted bilge pump in Yamaha runs whenever the engine is running. Continuously.

    The factory fitted Rule bilge pumps are designed to run continuously without...
  3. The Ficht engine does like fresh spark plugs. ...

    The Ficht engine does like fresh spark plugs.

    Sometimes the plugs can last for years, but a Ficht spark plug can start causing trouble even though it still ‘looks good’.

    Be be sure to use the...
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    4
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    104

    I applied CRC Heavy Duty Corrosion spray to the...

    I applied CRC Heavy Duty Corrosion spray to the metal engine surfaces inside the hull. Not CRC 6-56, but the Heavy Duty spray. It leaves a yellowish film coating that slowly dries to very slightly...
  5. Replies
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    155

    Yamaha calls it a Visibility Spout.

    Yamaha calls it a Visibility Spout.
  6. BRP purchased the Ficht technology and related...

    BRP purchased the Ficht technology and related assets when OMC went bankrupt. Polaris then had to purchase parts from BRP to maintain Polaris Ficht engine production.

    Several Polaris Ficht...
  7. Where did you apply the 5200 sealant? For the...

    Where did you apply the 5200 sealant?

    For the porpoising, loosen the front ride plate bolts. Remove the rear bolts and add a flat SS fender washer above each rear ride plate bolt. Retighten all...
  8. What is a 20Hz radio?

    What is a 20Hz radio?
  9. Replies
    8
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    169

    Yamaha uses each engine type across a range of...

    Yamaha uses each engine type across a range of models and years. Some years the same hull might have different engines depending on the details of the model name.

    When talking about what engine...
  10. Replies
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    322

    On the Genesis i the fuel tank is directly...

    On the Genesis i the fuel tank is directly accessible with the seat removed. On every other Ficht model the fuel tank is buried under the steering area. The fuel pump basically just lifts straight up...
  11. Replies
    16
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    577

    Where did you get that idea? GP1800 and...

    Where did you get that idea?

    GP1800 and GP1800R SVHO are all rated for 3 passengers max, including the first 2017 model.

    https://www.yamahawaverunners.com/performance-race-series/gp1800r-svho/...
  12. Replies
    2
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    69

    The fuel float is supposed to float in gasoline....

    The fuel float is supposed to float in gasoline. Water is denser than gasoline, so testing the float in water is not useful.

    It is a common problem for the fuel float to no longer float in...
  13. Does this machine have a totally stock ECU tune?...

    Does this machine have a totally stock ECU tune?
    No modifications whatsoever (not even SCOM)?

    Myself and others with prior year SVHO engines have experienced occasional hard starting with the...
  14. Replies
    6
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    138

    Red/Purple wires ;) Sometimes the wire colors...

    Red/Purple wires ;)

    Sometimes the wire colors are tricky to read, especially if they have faded since new.
  15. Damaged impeller blades and excessive blade...

    Damaged impeller blades and excessive blade clearance to the wear ring can certainly impair acceleration.

    While you have it apart I would suggest replacing the seals in the through-hull assembly....
  16. Have a look at the link below for lots more info....

    Have a look at the link below for lots more info.

    Polaris requires an air tight seal between the hull and the forward area of the ride plate and the jet pump related hardware.

    I tend to prefer...
  17. Replies
    8
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    169

    Links to supporting data please. Yamaha has a...

    Links to supporting data please.

    Yamaha has a large market in rental watercraft. How well is the TR-1 engine doing there?
  18. What intake grate is on it currently? Stock...

    What intake grate is on it currently?

    Stock ride plate?

    It sounds like there may be air leaks allowing the jet pump intake water flow to become aerated. Aerated water greatly reduces thrust....
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    46

    Welcome. This is a carburetor engine, correct?...

    Welcome.

    This is a carburetor engine, correct?

    What do you mean by ‘now the reset button stays in’?

    The bilge pump always running indicates a failed LR start/stop module. LR-505 on a...
  20. Welcome. How much of an improvement are you...

    Welcome.

    How much of an improvement are you looking for, acceleration wise?

    This is generally on smooth water, correct?

    How much money are you willing to spend?

    How many running hours on...
  21. Replies
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    366

    Also a big difference in how they work. Quite...

    Also a big difference in how they work. Quite different coil ohms and voltages between Gen 1 and Gen III.

    Gen 1 stator will not work with Gen 3 CDI, nor vice versa.
  22. Lots of prior threads discussing trailer tongue...

    Lots of prior threads discussing trailer tongue weight.

    Rule of thumb is about 10% total loaded trailer weight on the hitch ball. 15% is not a problem. In general more tongue weight is not a...
  23. Replies
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    858

    The 2017 and 2018 GP1800 did have a risk with the...

    The 2017 and 2018 GP1800 did have a risk with the intake grate inserts. Disappointed that it was not caught before going into production but the 2019 hulls no longer have that issue.

    Carbon ring...
  24. I have not yet ridden the 2019 FX SVHO but the...

    I have not yet ridden the 2019 FX SVHO but the fuel gauge inaccuracy is consistent to all reports.

    Some owners have lifted the fuel pump and bent the float arm just enough to produce dash...
  25. Replies
    23
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    858

    Not going to excuse Yamaha for the poor factory...

    Not going to excuse Yamaha for the poor factory sealing at the transom plate, but jet pump ventilation from low speeds and slow drippy leaks into the hull (when riding at speed) will not sink the...
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