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About thump_uk

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    TT Newbie

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    United Kingdom
  1. thump_uk

    road legal

    yes i have a road legal kit on .. i think it might be running lean it does get very hot when ive been out an hour or so how do i make it richer there dont seem to be a mixture screw to fiddle with?? thanks Andy
  2. thump_uk

    road legal

    hello everyone ive just bought a thumpstar 120 pro fully road legal so i thought id join a forum to get tips and tricks about the bikes the main problem im finding is when im trying to cruise along at 40mph+ it pulls back as though its struggling to find continuous power could it be possible it needs a different gear ratio more top end speed less low end uselessness lol Any ideas? Andy