CS-3900 - Echo Chainsaw Parts & Diagrams Parts Lists & Diagrams

Dimensions: 376x214x265 mm (14.8"x8.4"x10.4"). Weight: 4.4 kg (9.7 lb) w/o chain/guide bar. Engine: 2-stroke, 39.6 cc, air-cooled, single cylinder, WARBRO HDA carburetor, flywheel magneto, CDI, CJ-6Y spark plug, recoil starter. Transmission: centrifugal clutch. Fuel: 87 octane unleaded + 32:1/50:1 Echo oil (0.40 L tank). Oil: chain/bar 0.23 L. Chain: automatic plunger pump, chain brake, kick guard. Guide-bar combos: 16A0AD3366, 16E50K, 18ESOK, 18A0AD3372.