Use a 50:1 ratio of fuel to oil mix for 2-stroke cycle engines， recommend using only fresh gas with a minimum octane rating of 89 or higher (mid-grade to premium) at all times

50:1 ratio equal 1 US Gal. 89 octane plus 2.6 fl. oz. ECHO PowerBlend gold oil or ECHO red armor oil

Gas powered chainsaw features a 45.0 cc professional-grade 2-stroke gas engine

Chainsaw comes with a 1-year commercial/5-year consumer warranty

Comes with 16 in. bar and chain provides reliable cutting performance

Easy-to-use， mid-range saw

Spring-assist starter for reduced pulling effort

Tool-less， easy access air filter

Automatic， clutch-driven oiler for reduced oil consumption

Side-access chain tensioner offers for easy chain adjustment

Choke with automatic fast idle for easy starting

Momentary stop switch automatically returns to on position

Air injection air cleaner separates dirt and debris from the air

Translucent fuel tank clearly indicates fuel level

Purge bulb injects fresh fuel to carburetor

Dual-post chain brake lever for durability

Uses a 16 in. or 18 in. bar

Replaceable metal spike

Safety tip (kick guard) sold separately as an accessory.