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    How Much Weight

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    • Member since
      November 2005
    • From: Upper Peninsula of Michigan
    How Much Weight
    Posted by Indy 650 on Monday, January 11, 2010 9:50 PM

    52 gram weights turning 8900rpms. How much lighter to gain 500 rpms?

    • Member since
      August 2005
    • From: MILTON,NY
    Posted by ALPINE SPORTS RACING on Tuesday, January 12, 2010 6:37 AM

    I WOULD TRY A STIFFER SPRING THAT HAS A HIGHER FINISH RATE THAN THE ONE YOU HAVE IN THERE ALREADY.

    2-STROKE TRIPLES FOREVER!! WWW.ALPINESPORTS.MYSITE.COM
    • Member since
      July 2005
    • From: Sudbury Ontario
    Posted by neversatisfied on Tuesday, January 12, 2010 7:50 AM

    I take it you are running 650 with pipes, put in 10mblue weights 47.5 grams with blue spring.

    • Member since
      November 2005
    • From: Upper Peninsula of Michigan
    Posted by Indy 650 on Tuesday, January 12, 2010 8:06 AM

    No, Indy Ultra modified. Comes out spinning 9350 for a few seconds then falls to 8900. I thiink the 52 grams weights are what it should pull. I don't have the carbs tuned yet, think it may be fat on top end causing loss of power.  I will work on the carb's first and check the top end timeing and thirdly will go to the clutches in that order.

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