Turning the the main mixture IN leans the mixture. Turning the idle mixture screw in richens the idle mixture. Initial settings are 2.5-3 turns out for main, 1-1.5 out for idle mixture. Start the engine, let it get to operating temperature, turn screw in until is stumbles, out until smooth plus 1/4-1/2 turn. Turn idle mixture screw in or out until the engine idles smoothly. Pull throttle back rapidly, engine should accelerate smoothly. Repeat adjustments until engine accelerates smoothly. If it refuses, clean carb in real carb cleaner and put in a kit. Some people turn the main screw out until engine smokes, then back in -- this is not necessary.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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