I've seen some recent interest in theses big Echos. Older ones have plastic clutch drum driven gears, newer ones bronze gears pressed onto the crankshaft (full time oiling.) the older plastic gears do deteriorate but can be retro fitted with the newer bronze drive gears.
These are great saws simple, beefy, robust and torquey. here's the vid:
These are great saws simple, beefy, robust and torquey. here's the vid:
