Echo CS-310ES Chainsaw is a lightweight, extremely well-balanced Rear handle petrol chainsaw. It has a premium grade 30.5cc Power Boost Vortex engine for both power and durability (stage 2 compliant low emission engine). A newly designed "thumb-press"™ locking cylinder cover stays secure even under extreme use. The top-mounted air filter is positioned away from dirt and debris for better filtration. Easy Start spring-assisted starting requires minimum effort – a warm engine only requires a short pull on the recoil rope. The saw has a dual-post chain brake for increased durability, while the automatic oiler delivers optimum lubrication. The CS-310ES is an ideal tool for pruning and logging. Comes with a guide bar of 12”/30cm. Model certified for CE and RoHS Compliant Automatic Fast Idle - integrated choke and fast idle with trigger release for easy starting Digital Controlled CDI (Capacitor Discharge Ignition) system for easy starting and smooth acceleration G-FORCE Engine Air Pre-Cleaner for reduced air filter maintenance ES Start – Spring-assisted Starting System for easier starting Side access chain tensioner for quick chain adjustments Clutch related oil pump Compact, ergonomic design 30.5cc Engine displacement 4kg Dry weight 1.1kW Output 0.25 litres Fuel tank capacity 0.68 L/h Fuel consumption at max engine power 0.26 litres Chain oil tank capacity 30cm/12" Bar length 0.050"/1.3mm Guide bar gauge 3/8" Saw chain pitch