Question about Poulan 25cc 2-Cycle Gas Powered String Trimmer with Curved Shaft #P1500
Check to make sure filter screen is not partly clogged up. pull spark plug to see if full of gunk, if so clean and reset the gap to manual specs.lastly check your air filter and clean it by tapping against a hard surface or replacefilter. If it happens again you may have to drain gas and remix with proper ratio as called out in your manual. Also verify that the oil you are using to mix with the gas is a 2 cycle engine oil.
Posted on May 26, 2011
The carburetor sounds like it is in need of a "leaner" fuel mixture. You don't have to make a new batch of fuel for it. But, you do need to adjust the L mixture screw (one closest to the engine). The L and H mixture screws have unconventional heads on them to prevent tampering; per EPA mandated emission regulations. Get an automotive type 22 gauge (I think) plastic wire connector. Tap the open end of it down onto the head of the L screw. The plastic will stretch and spread a little making a tight fit. I use one with a ring terminal on one end. Then, once that is accomplished, get the machine running and try to get it to WOT (wide open throttle) once warmed up. Then, turn the L screw counterclockwise until the engine's RPM's increase (maybe up to 1/4 of a turn). This will effectively "lean" out the entire WOT fuel flow and allow for those highter RPM's, providing everything else is in working order. Here is a carb manufacturer's tutorial on tuning that carb.
Posted on May 26, 2011
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Posted on Jan 02, 2017
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