AV spring located inside the top handle at the front of the saw for the Echo 2511 TES top handle chainsaw.
A Genuine Echo product
Part Number V450002050
Replacement Brake Cover to fit over the chain brake for the Echo CS-2511TES chainsaws. FITS CHAINSAW MODELS CS-2510TES, CS2511 TES OEM C345-000640 GENUINE ECHO PART YES MANUAL PDF Page Part No. ...
Recoil spring for the Echo CS2511 top and rear handle chainsaw. Spring is housed in a plastic cassette for easy installation.
Genuine Echo product
Part No. P022040060