Yamaha VX110 Overheat Warning Indicator - Page 3
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  1. #21
    PWCToday Newbie
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    Re: Yamaha VX110 Overheat Warning Indicator

    need to know normal engine running temp for a 2010 Yamaha VX 1100 Read btwn 160 and 180 F ?????

  2. #22
    Frequent Poster Lee Taylor's Avatar
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    Re: Yamaha VX110 Overheat Warning Indicator

    Quote Originally Posted by lumberski View Post
    can you just leave sensors off ??
    In my amateur opinion.... absolutely do not leave the sensors off. ALWAYS use things how they were designed to be used is a good policy. The purpose of the sensors are to protect the engine. In addition, the engine sits next to a large container of gasoline. Uncontrolled engine overheating located next to a container of gasoline is NOT a good thing.

    Owner. Rider. 17 years
    2002 Yamaha. FX140. MR-1, 1000cc. Cruiser
    2017 Lowes Stryker 16. Mercury 50hp 4-stroke

  3. #23
    Frequent Poster Lee Taylor's Avatar
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    Re: Yamaha VX110 Overheat Warning Indicator

    Quote Originally Posted by lumberski View Post
    need to know normal engine running temp for a 2010 Yamaha VX 1100 Read btwn 160 and 180 F ?????
    A piece to this puzzle may be found in the thermal switch test procedure. In other words the heat from the engine should not exceed the thermal switch temperature limit. Just an idea. I am not a pro by any means

    Owner. Rider. 17 years
    2002 Yamaha. FX140. MR-1, 1000cc. Cruiser
    2017 Lowes Stryker 16. Mercury 50hp 4-stroke

  4. #24
    Frequent Poster Lee Taylor's Avatar
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    Re: Yamaha VX110 Overheat Warning Indicator

    Quote Originally Posted by lumberski View Post
    Big problem is getting to the sensors to replace.
    Here is a video of my old Yamaha Cruiser (2002). It may help

    Last edited by Lee Taylor; 02-22-2020 at 10:06 AM.

    Owner. Rider. 17 years
    2002 Yamaha. FX140. MR-1, 1000cc. Cruiser
    2017 Lowes Stryker 16. Mercury 50hp 4-stroke

  5. #25
    Frequent Poster Lee Taylor's Avatar
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    Re: Yamaha VX110 Overheat Warning Indicator

    Quote Originally Posted by lumberski View Post
    Big problem is getting to the sensors to replace.
    In my opinion, I would not assume the thermal sensor or thermal switches are faulty. In other words, test them before you replace them. There are test procedures online and the test can be done on your stove top. If they test good then the cause of your problem likely related to coolant flow

    Owner. Rider. 17 years
    2002 Yamaha. FX140. MR-1, 1000cc. Cruiser
    2017 Lowes Stryker 16. Mercury 50hp 4-stroke

  6. #26
    Frequent Poster Lee Taylor's Avatar
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    Thermal Switches and Sensor - Waverunner, FX140, 2002

    Showing the location of the thermal switches and thermal sensor on my Waverunner


    Owner. Rider. 17 years
    2002 Yamaha. FX140. MR-1, 1000cc. Cruiser
    2017 Lowes Stryker 16. Mercury 50hp 4-stroke

  7. #27

    Re: Yamaha VX110 Overheat Warning Indicator

    Hi all, is it posible to "backflush" The VX 110? or is it dangerous to the engine?
    thanks

  8. #28
    Frequent Poster Lee Taylor's Avatar
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    Re: Yamaha VX110 Overheat Warning Indicator

    I do not know the answer to that question but I am sure the correct answer can be found. Frankly, from what I have seen inside my engine, I do not think a back-flush would remedy the problem. Salt is one thing but the bake-hardened material in the water jacket is not budging without using a screwdriver or chisel on it. A water flush will not cut-it. My head was so full of crap there is no way I could have flushed it out. It required a screwdriver

    Owner. Rider. 17 years
    2002 Yamaha. FX140. MR-1, 1000cc. Cruiser
    2017 Lowes Stryker 16. Mercury 50hp 4-stroke

  9. #29
    Frequent Poster Lee Taylor's Avatar
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    Re: Yamaha VX110 Overheat Warning Indicator

    It seems the "open" cooling system is achilles-heel of sorts. I love my Yamaha but this is one area Sea-Doo has Yamaha beat hands down

    Owner. Rider. 17 years
    2002 Yamaha. FX140. MR-1, 1000cc. Cruiser
    2017 Lowes Stryker 16. Mercury 50hp 4-stroke

  10. #30
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: Yamaha VX110 Overheat Warning Indicator

    As stated before,the head is clogged at #1 cyl we do them all the time.

    Why do you think Yamaha put the sensor where they did ??

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