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Old 05-04-2021, 06:29 AM   #4
crash12888
Gone Crazy
 
Join Date: Jan 2007
Location: Chesterfield, Va
Posts: 6,021
Default Re: 2003 TXT with Robin engine backfiring

Torquey and jumpy sound like the throttle is opening before the microswitch starts turning the engine.
Make sure the engine starts turning just before the throttle starts to open and you'll have'er dialed in.
Turn the key off and slowly push the pedal until you here the microswitch "click", the throttle should start to open right after the click.
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