The manual lists the minimum compression for the 084 AV at 140 PSI (cold). You test yours at 110 PSI. The manual then guides you to remove the muffler and inspect the piston skirt for scoring.
A running Stihl 084 AV in good condition sells for $800 to $2,500 depending on attachments and condition. A seized 084 AV sells for $200 as a parts saw. The costs between $10 (used digital) and $40 (printed reproduction). stihl 084 av service manual
: These provide in-depth repair instructions (approx. 51 pages) for every part of the machine. Physical copies or digital reprints are sometimes found on eBay . The manual lists the minimum compression for the
A complete service manual for the 084 AV covers everything from routine cleaning to full engine teardowns. stihl 084 av service manual