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Thread: RPM's for 1998 Yamaha 2 stroke 115 V4

  1. 02-27-2018, 09:26 PM #1
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    FurFlyin
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    Default RPM's for 1998 Yamaha 2 stroke 115 V4


    What is the correct RPM range at WOT for this motor?

    Mine is showing 6200 on the tach at WOT. I was told that the max should be around 5500, but I'm not certain the guy knew for sure. I may need a new tach, I don't know. This is a new to me boat. I've only taken it out once.
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  2. 02-27-2018, 09:36 PM #2
    Slabprowler
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    Go ahead and get ya a new one! Don’t know if it would be same as mine but 5500 is max on mine!
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  3. 02-27-2018, 10:44 PM #3
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    Max should be inte range from 5500-5700.
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  4. 02-28-2018, 11:21 AM #4
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    Thanks for the info guys.
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  5. 02-28-2018, 07:23 PM #5
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    Most likely need a bigger prop. (more pitch)
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  6. 02-28-2018, 08:52 PM #6
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    Quote Originally Posted by Barnacle Bill View Post
    Most likely need a bigger prop. (more pitch)

    Could be, but I'd have to go up 3 sizes to bring it back down into normal operating range. That sounds like a lot to me...

    I got a new tach today. Guess I'll know for sure soon.
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  7. 02-28-2018, 08:57 PM #7
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    I'm thinking around 5800 is perfect but don't hold me to that

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