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Mains AND pilots??????

Discussion in 'XJ Modifications' started by supernube, Aug 17, 2008.

  1. supernube

    supernube Member

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    My question is simple: Why are there two sets of jets in the carbs? Are the pilots handling the idle while the mains take over at a certain RPM? Is it the reverse? Understanding this might help me troubleshoot a very minor tuning problem.
     
  2. Ratbike

    Ratbike Member

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    Ya the pilot screws are like the idle to 1/4 throttle adjustment the mains are the rest,
     

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