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Old 04-15-2014, 12:40 PM
Oli Oli is offline
LawnSite Member
Join Date: Jul 2008
Location: Elk Rapids, MI
Posts: 38
Added 2-cycle oil to the cylinders of both units as described by Breezmister and checked the compression. Pressure increased to 105 psi on the trimmer, and 120 psi on the edger. Both units were around 90 psi before and after I installed new rings, and cleaned the carbon from the pistons, and cylinders. Does the increase in pressure indicate that these units are potential runners, or are the piston and cylinders too far gone? What would the compression be on a new unit? Thanks
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