What should the compression be on a new model Stihl ms 261. I recently purchased a new ms 261 non M-tronic 18" .325 bar. I LOVE IT light...
When modifying your Echo cs 520 did you open up all the baffle holes? I took my cs 520 muffler off and could only reach the closet ones.
I recently purchased a near mint cs 520 and would like to do a muffler mod. However i can not find much info on the procedure. I would greatly...