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ryobi 75r 2 cycle gastrimmer carb adjustment

clively2's Avatar

Join Date: Aug 2008
Posts: 1

08-07-08, 11:40 AM   #1  
ryobi 75r 2 cycle gastrimmer carb adjustment

Hi my name is clively2 7I am having a problem with a ryobi75r gas trimmer it runs but the carburetor needs adjustment.I have awhite pice on 1screw & a black on the other. which one is low & high mixture screws? & how do you adjust them?:
Thank you

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cheese's Avatar
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Join Date: Jul 2001
Posts: 16,569

08-08-08, 12:19 AM   #2  
The one closest to the air filter is the high speed screw. Adjust it for best results at full throttle. Adjust the low speed screw for best idle quality.

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