superhondaman Posted October 26, 2006 Share Posted October 26, 2006 I had a problem with my 200 Fantic running 'rough' missing or 4 stroking is the only way to describe it. I found a partialy blocked pilot jet, could this cause the problem described? Quote Link to comment Share on other sites More sharing options...
fellonmelug Posted October 26, 2006 Share Posted October 26, 2006 The pilot jet really only has an effect at tick over and just above , it is vital to the sharp pick up of the engine. The symptoms you are describing are probably due to something else such as ignition problems or air leaks etc. Good luck Quote Link to comment Share on other sites More sharing options...
lineaway Posted October 27, 2006 Share Posted October 27, 2006 Double Check the choke circuit for any blockages. The Pilot jet does have more affect at low throttle, but most people do not realize the pilot is always `on` no matter if you are running wide open. Quote Link to comment Share on other sites More sharing options...
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