2. Locate the Carburetor Adjustment Knobs. The carburetor adjustment knobs are usually located near the air filter housing. On most Ryobi leaf blowers, there will be two adjustment knobs: one for idle speed and one for fuel mixture.. Having had some running issues with my own Ryobi strimmer 2 stroke engine, i thought i would create this post for others in the same predicament. In my case the engine didnt want to idle for more than a few seconds when cold and would bog down when revved, plus when warm, it didnt seem to be achieving maximium revs anymore. Its worth mentioning that before making any carburettor adjustments.
Leaf blowers are a pretty common tool around households. However, they may not operate well when the oil texture in the carburetor goes too thin or too rich.. Understanding the Ryobi Carburetor. The Ryobi carburetor is a crucial component of the engine's fuel system. It works by mixing air and fuel in the correct proportions to create a combustible mixture that powers the engine.