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Thread: Yamaha 3cyl flywheel

  1. 02-28-2011 #1
    proprider01us
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    Default Yamaha 3cyl flywheel

    Building a 50hp yamaha 3cyl. and plan on manual start, can I cut the ring gear off to reduce weight?
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  2. 03-01-2011 #2
    mad yama
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    Quote Originally Posted by proprider01us View Post
    Building a 50hp yamaha 3cyl. and plan on manual start, can I cut the ring gear off to reduce weight?
    yes we cut all of ours
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  3. 03-01-2011 #3
    YAMAHAFASTCRAFT
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    yes you can cut the ring off.
    slowboat performance.com
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  4. 03-04-2011 #4
    proprider01us
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    Thumbs up Thanks!

    Got it off with no problem: 43.42% saving in reducing the rotating mass. Should "spool up" a little quicker.
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