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Type: Posts; User: grumpy_steven

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  1. Replies
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    There is no thermostat on the Kawi motors. But...

    There is no thermostat on the Kawi motors. But you are correct, the Yamaha MR-1 motors do have a thermostat.

    Check the brass fittings on the waterbox. The openings are very small, and can easily...
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    683

    You'd get a lot of resistance if you tried to...

    You'd get a lot of resistance if you tried to blow through my pisser.
  3. If you're not ready for the worst, like a new...

    If you're not ready for the worst, like a new motor, don't bother. It's very rare to find a dirt cheap ski that only needs a minor repair to get it running.

    Also, even if you can figure out why...
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    Is one of them in the Hamptons? If so, send me a...

    Is one of them in the Hamptons? If so, send me a PM.
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    Obviously it is. Friction, engine heat and the...

    Obviously it is. Friction, engine heat and the fact that it's all in a small enclosed area heats up everything under the seat... including the intercooler itself. The point is that the intercooler...
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    Your intercooler has become an interheater. The...

    Your intercooler has become an interheater. The I/C is supposed to lower the temp of the air going into the motor. Water that is 101 degrees is not going to lower the temp of air that is 97 degrees.
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    A few more degrees and you'll be able to spill...

    A few more degrees and you'll be able to spill the water on your lap and sue McDonald's.

    Has to have something to do with water temp. I get an extra 2MPH out of my Yamaha SX230 HO in early spring...
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    If it's just the starter solenoid, why not try...

    If it's just the starter solenoid, why not try jumping the solenoid to get the motor running?

    As for towing, I know there are conflicting opinions about whether it's necessary, but I recommend...
  9. Not sure of the model, but it's probably the same...

    Not sure of the model, but it's probably the same Yacht Club trailer I had. It fit the FXHO perfectly. I believe the weight capacity is limited only by the small 8-inch stock tires. If you use a...
  10. I'm thinking there should be a Troubleshooting...

    I'm thinking there should be a Troubleshooting section in addition to the How-to section. The former would be for help in diagnosing a problem. The latter would be for discussing ways to do common...
  11. Regarding posts in the "Performance" section, I...

    Regarding posts in the "Performance" section, I think there might be some confusion regarding what the section is meant for. It could be a section to discuss performance improvements/mods. Or it...
  12. So much for the Surgeon General's warning that...

    So much for the Surgeon General's warning that smoking will shorten your life.
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    Yamahas only throw codes and flash the check...

    Yamahas only throw codes and flash the check engine icon when the problem is active. When the problem clears, the check engine icon will stop flashing and the code will be stored in memory until...
  14. A few years ago, I bought a complete 15F, minus...

    A few years ago, I bought a complete 15F, minus the hull, from a guy in CT. He built a wooden lobster boat with the 15F motor and pump. Because keeping the boat at a mooring caused a lot of...
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    Service manual does not specify position. I...

    Service manual does not specify position. I haven't seen any consistency in any of the skis I've worked on. When I put them together, I usually position the openings on opposite sides, like you're...
  16. First year for FXHO 1.8 was 2009. I don't...

    First year for FXHO 1.8 was 2009.

    I don't think there's much difference between the hulls. I believe the change around 2012 was to accommodate a different intake grate. Also, the newer hulls...
  17. With 122 hours, if the pistons weren't damaged by...

    With 122 hours, if the pistons weren't damaged by the valves, I'd guess the pistons and rings have plenty of life left in them. I wouldn't just replace the rings because you have the engine out. ...
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    On the motor? Or on me?

    On the motor? Or on me?
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    Micrometer says 73.90 MM for both. Scale says...

    Micrometer says 73.90 MM for both. Scale says 8.6 ounces for both (with rings and pin).

    The only thing I can think of is a different alloy to handle temperature extremes on the RX1. This might...
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    FX140 Pistons

    Re-building a 2004 FX140 motor that has stuck rings. Looking to keep costs to a minimum.

    Picked up a set of clean used pistons pulled from a 2003 RX1. The pistons are identical to FX140 pistons,...
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    I have over 3,000 hours on my OE underwear. ...

    I have over 3,000 hours on my OE underwear.

    Got my first speedboat in 1981... back before Al Gore invented the internet. I don't remember the source (probably Dave at Whitestone lumber / OMC...
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    I put no more than 10-20 hours/year on each...

    I put no more than 10-20 hours/year on each motor... maybe 20-30 on the boat. With the short season and lots of toys, the hours don't add up too quickly.

    Since last year I trimmed the fleet from...
  23. Same story here. I used a hammer and chisel. ...

    Same story here. I used a hammer and chisel. But I didn't care if the hull got damaged. I just wanted the midwall, which did sustain a little damage in the process.
  24. I'm sure it's the same glue. I didn't get the...

    I'm sure it's the same glue. I didn't get the glue to soften at all, so I gave up.

    Perhaps melting the glue is not the answer. Maybe heating the glue and letting it cool, as suggested by the...
  25. I read what you wrote. But like I said, I tried...

    I read what you wrote. But like I said, I tried a propane torch with no luck. I'm guessing a torch is as hot as a heat gun.

    I simply shared my experience using heat. Maybe you had better luck...
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