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  • Lightest 50cc chain saw on the market
  • Decompression valve for easy starting
  • Automatic, adjustable clutch-driven oiler for reduced oil consumption
  • Two-piece air filter for easy cleaning
  • G-Force Engine Air Pre-Cleaner™ for longer air filter life
  • Tool-less air filter cover for easy access to air filter
  • Side-access chain tensioner for easy chain adjustment
  • Replaceable roller-type chain catcher protects chain drive link from damage if chain derails
  • Choke with automatic fast idle for easy starting
  • Spring vibration reduction system for operator comfort
  • Translucent fuel tank to easily determine fuel level
  • Replaceable metal spike for improved user control and leverage 


  • Displacement (cc): 50.2
  • Power‡ (hp): 3.3
  • Weight* (lbs.): 10.4 *without bar and chain
  • Fuel Tank Capacity (fl. oz.): 16.9
  • Bar Oil Capacity (fl. oz.): 9.5
  • Bar Lengths (in.): 16, 18, 20
  • Chain Pitch (in.): 0.325
  • Chain Gauge (in.): 0.05
  • Decompression Valve: Yes
  • Warranty: Commercial 1 yr / Consumer 5 years

ECHO CS4910-20 50.2CC CHAIN SAW 20" BAR


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