outdoortype
ArboristSite Guru
Which carb do yo have, Zama or Walbro?
The 359/2159 suffered from carb issues on saws with Walbro HDA-199 carbs. They switched to Zama C3-EL42 around mid '08 on the 359 but could have been later on the 2159. Some of the symptoms were erratic idle and die on acceleration. I don't mean to make you paranoid. But the Walbro's seemed already lean on the High side from the factory or damn close anyway. A muffler mod should have require at least 1/8-1/4 turn counterclockwise or richer. The only other reason would be if you went way too rich on the L setting but that seems unlikely.
The 359/2159 suffered from carb issues on saws with Walbro HDA-199 carbs. They switched to Zama C3-EL42 around mid '08 on the 359 but could have been later on the 2159. Some of the symptoms were erratic idle and die on acceleration. I don't mean to make you paranoid. But the Walbro's seemed already lean on the High side from the factory or damn close anyway. A muffler mod should have require at least 1/8-1/4 turn counterclockwise or richer. The only other reason would be if you went way too rich on the L setting but that seems unlikely.