Posted by Thomas (75.180.11.90) on June 17, 2007 at 17:48:14:
In Reply to: carburetor adjustment posted by antony on June 08, 2007 at 16:55:18:
Adjustments such as what, Main Mixture? Idle Speed?
Main Mixture adjustments I usually seat the needle valve and screw it out about 1½ turns. After the engine is warmed up, I run it at full speed and screw out the mixture screw until the engine starts running rough, then I screw it back in until it smooths out. Then I put the engine at Idle speed and crack the throttle all the way open. If the engine picks up speed without sputtering, then I have the mixture set properly.