new chain

Hi everyone! Just bought my first chain saw. A used stihl 290. I dont really know much about saws but i am familiar with engines so im picking up pretty quick as i read through forum after forum. Basically, my saw wouldn't cut through wood, its got an 18 inch bar, and the wood or chain just...

Everyone knows what this saw is so not alot of explnation. Recent tune-up by Stihl master mechanic included spark plug, fuel filter, HD air filter and computer re-calibration. Computer readout had 20 hrs of run time, total! 25" bar with near new Oregon full skip chain. $900 plus shipping will...