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  1. #1

    Join Date
    Mar 2011
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    New Zealand
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    Main jet question

    Just upgrading my 98 xp ltd with pro k filters and jets and seats according to "Bens Secret mods"

    Question i have - Ben suggests mains of 167. My supplier can only find 167.5

    Is 0.5 bigger enough of a difference to bother about ?

    I'm in New Zealand so not heaps of suppliers

    Thanks Phil


  2. #2
    SURFnTURF's Avatar
    Join Date
    May 2007
    Location
    Australia
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    878
    +1
    11
    Jets go up/down in size by 2.5 point Example 165 ---167.5----170 -----172.5 so you will need 167.5

  3. #3

    Join Date
    Mar 2011
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    New Zealand
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    Sweet - thanks for that - so that's why my supplier can't find 167's.

    I'm ordering multi fit pro k filters - will they fit straight onto my standard carbs without adaptors ?

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