Echo CS-310 Parts List Manual


Echo CS-310 PARTS LIST and repair the 310 chainsaw. View free page images online or download full PDF. Clear diagrams and accurate repair information, print or save on any suitable device.

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Echo CS-310 Parts List Repair

Echo CS-310 Parts List for the Echo chainsaw. Repair and identify all chainsaw parts for the Echo 310 (CS-310) with this manual. The manual contains diagrams and accurate information as used by professional mechanics and repair shops to troubleshoot and identify all componants of the chainsaw.

This is the Echo 310 parts list manual. A full workshop service manual and carburetor manual is also available from this website. Chainsaw Model number Echo CS-310.


It is in a pdf format which contains clear exploded diagrams to help you quickly find all parts of your Echo CS-310 chainsaw.

Contents of Echo CS-310 Parts List Manual:

Introduction, Specifications, Clutch, Engine, Ignition system, Rewind starter, Throttle control, Fuel system, carburetor, Av system, Shaft, Cutting tool drive, Support frame, Special servicing tools and aids

Echo CS-310 Specifications

Echo CS-310 carburetor OEM number: A021001700, model: Walbro WT-946

Length 396 mm (15.6 in.)
Width 232 mm (9.1 in.)
Height 273 mm (10.7 in.)
Dry weight 4.0 kg (8.8 lb.) Without chain and guide bar
Engine Air-cooled two-stroke single cylinder
Displacement 30.5 ml (1.861 cu. in.)
Bore 36.0 mm (1.417 in.)
Stroke 30.0 mm (1.181 in.)
Compressions ratio 6.7:1
Carburetor Diaphragm type
Spark plug NGK BPMR8Y (Gap 0.65 mm [0.026 in.])
Fuel tank capacity 250 ml (8.45 US. fl. oz.)
Fuel/Oil Ratio 50:1

Gasoline- Use 89 octane unleaded. Do not use fuel containing methyl alcohol, more than 10% ethyl alcohol or 15%
MTBE. Do not use alternative fuels such as E-15 or E-85. Oil ISO-L-EGD (ISO/CD 13738) and JASO M345-FD two-stroke, air-cooled engine oil.
Oiling system Automatic oiler
Chain oil capacity 260 ml (8.8 US. fl. oz.)
Starter system Automatic rewind starter
Clutch Centrifugal type
Sprocket type Spur type, 6-tooth, 3/8 in. pitch
Chain brake Automatic band brake type
Idle speed 3,200 RPM
Clutch engagement speed 4,200 RPM
Wide open throttle speed (W.O.T.) 12,500 RPM
Chain tensioner Side access system
Guide bar 12, 14, 16 in
Saw chain 91PX/91VG
Standard features- Front hand guard, Rear hand guard, Anti-vibration device, Throttle control lockout, Chain catcher, Spark arrestor muffler, Optional Kick GuardTM, (Spiked bumper; Option).

Echo CS-310 Parts List PDF

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