Use and Care Manual

CS-2511P SPECIFICATIONS
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© 11/2020 ECHO Incorporated
• Drain fuel tank completely. Press purge bulb 6-7 times to remove
remaining fuel from carburetor then drain the tank again. Close choke,
start and run the engine until it stops due to lack of fuel.
• Allow engine to cool. Remove the spark plug lead from the spark plug.
Remove the spark plug. Pour 7 cc (0.25 oz.) of fresh, clean, two-stroke
engine oil into the cylinder through the spark plug hole.
• Store in a dry area, free from dust.
Do not store in an enclosure where fuel fumes may accumulate
or reach an open flame or spark.
Do not lend or rent your chain saw without the Operator’s
Manual.
Note:
• For future reference, you should keep this Operator’s Manual.
• If this Operator’s Manual becomes illegible or is lost, please contact
your ECHO dealer, or go to www.echo-usa.com.
SPECIFICATIONS
MODEL CS-2511P
Length 400 mm (15.7 in.)
Width 213 mm (8.4 in)
Height 210 mm (8.3 in.)
Dry weight 2.6 kg (5.7 lb.) Without chain and guide bar
Engine Air-cooled two-stroke single cylinder
Displacement 25.0 ml (1.53 cu. in.)
Bore 35.0 mm (1.38 in.)
Stroke 26.0 mm (1.02 in.)
Compressions ratio 7.85:1
Carburetor Diaphragm type
Spark plug NGK CMR7H (Gap 0.65 mm [0.026 in.])
Fuel tank capacity 190 ml (6.42 US. fl. oz.)
Gasoline/Oil Ratio 50:1