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  1. #1

    Question 951 twin pipe jetting sizes ? Novi's

    I am finalising my 99 XPL build and would appreciate any help with jetting sizes.

    Build is as follows

    951 rebored at + 1.00mm
    R and D head 49cc domes
    Twin Factory Pipes with Franco dual cooling mod
    Novi A booster 48 carbs
    Franco MPEM
    Carbon Tech reeds
    Case cooler etc

    Looking for some base settings for carbs, jets/ n&s etc

  2. #2
    Any one at all had this type of set up ?

  3. #3
    i run this setup in my race XPL with a 1040 big bore and high compression.
    i use 165 mains, no pilots, 2.5 n+s, 65 gram spring with 2x 65 lph fuel pumps for fuel supply.
    since yours is slightly smaller cc and lower comp it will require less fuel but this should give you an idea.
    Last edited by rotax racing; 09-08-2010 at 12:25 AM. Reason: wrong text

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