I have a poulan 2150. it will start but will not stay run
Check the muffler for screen plugging. Clean or replace the air cleaner. Check the fuel filter in the tank for plugging. Check the fuel lines for hardening, cracking, or other decomposition. If still mal-functioning, re-kit the carburetor. Basic H and L settings are (from light CW stops) CCW 1-1/2 turns each. Start the engine and allow to warm up. Hold the throttle wide open and turn H CW until the engine speeds up, but still 4-stroking. Correct setting is when the engine 4-strokes, but immediately 2-strokes when cutting. Allow the engine to idle, adjust L CW until the engine runs fairly smoothly, but still allows the engine to 'follow the throttle'. Adjust idle speed so that the engine keeps running, but doesn't try to run the chain. Hope this helps.
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