Echo CS-2510TES Service Data Manual


Echo CS-2510TES Service Data Workshop Manual for the Echo 2510TES chainsaws. View free page images online or download PDF with images, diagrams and information. Print or save to any device.
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Echo CS-2510TES Service Data Manual Repair

Echo CS-2510TES Service Data Workshop Manual for the Repair and service of Echo 2510TES chainsaws. The PDF manual has diagrams and acurate information to help to troubleshoot, repair and fix the Echo CS-2510TES chainsaw. View free page images online or download a PDF manual that you can easily save, print or view on most devices.

Echo CS-2510TES Service Manual-Data Manual


Specification, Technical data, Torque limits, Special repairing materials, Service limits., Special tools.



General adjusting rules, Presetting idle adjust screw, L mixture needle and H mixture needle, Adjusting carburetor.

See the additional full service workshop manual, carburetor manual, parts list, operator manual and technical supplements PDF download available on this website for more information on how to service and repair the chainsaw.

Echo CS-2510TES Chainsaw Specifications

Echo CS-2510TES chainsaw carbureter type: Walbro WT-1153 with Large D-shaped mixture needles, OEM Part Number A021-004520.

Model: CS-2510TES


Length: mm(in) 243 (9.57)
Width: mm(in) 201 (7.91)
Height: mm(in) 196 (7.72)
Dry weight: kg(lb) 2.3 (5.1)


Type: YAMABIKO, air-cooled, two-stroke, single cylinder.
Rotation: Clockwise as viewed from the output end
Displacement: cm3(in3) 25.0 (1.525)
Bore: mm(in) 35.0 (1.378)
Stroke: mm(in) 26.0 (1.024)
Compression ratio: 7.9


Type: Diaphragm horizontal-draught with separated primer
Model: Walbro WT-1153 with Large D-shaped mixture needles
Venturi size-Throttle bore: mm(in) 11.11-14.3 (0.437-0.563)


Type: CDI (Capacitor discharge ignition) system Digital magneto
Spark plug: CMR7H

Exhaust Muffler type: Spark arrestor muffler


Type: ES (effortless)-start / S(Soft)-start
Rope diameter x length: mm(in) 3.0 x 720 (0.12 x 28.3)


Type: Premixed two-stroke fuel
Mixture ratio: 50 : 1 (2 %)
Petrol: Minimum 89 octane petrol Two-stroke air cooled engine oil ISO-L-EGD (ISO/CD13738), JASO FC/FD
Tank capacity: L (U.S.fl .oz.) 0.19 (6.7)

Clutch Type: Inboard clutch : Centrifugal, 3-shoe slide with 3-tension spring
Guide bar / Saw chain lubrication type: Adjustable automatic oil pump
Oil Tank capacity: L (U.S.fl .oz.) 0.14 (4.9)
Auto oiler Type: clutch related type


Type: Spur
Number of teeth: 6 (Sprocket nose bar), 8 (Carving bar)
Pitch: in 3/8 (Sprocket nose bar), 1/4 (Carving bar)

Cutting devices

Guide bar:

Type (part number): 16D0PS3860, 20D0PS3870, 24D0PS3881, 27D0PS3893
Called length: cm 16, 20, 24, 27
Gauge: in 0.058

Spike Option (Parts number: C304-000000)

Saw chain:

Type: Carlton N1C-BL, OREGON 91PX, OREGON 25AP
Number of drive links: 35, 40, 47, 52, 60
Pitch: in 3/8, 1/4
Gauge: in 0.050

Adjusting carburetor

1. Start engine and warm it up at idle for one minute. Turn H mixture needle anticlockwise until engine speed drops to approx. 11,500 r/min.
2. Warm it up well for 100 sec alternating engine speed between WOT (Wide Open Throttle) for 5 seconds and idle for 5 seconds .
NOTE : Do not run engine at high speed without load longer than 5 seconds, or engine damage may occur.
3. Adjust L mixture needle with 3 mm blade screwdriver to reach maximum engine speed just before lean drop off.
4. Set idle engine speed to 3,900 r/min by turning Idle adjust screw. Engine speed should be stable at 3,900 +/- 50 r/min after Idle adjust screw adjustment.
5. Turn L mixture needle anticlockwise reducing engine idle speed 1,400 r/min to set idle speed at 2,500 r/min. The engine idle speed range is 2,400 – 2,600 r/min.
NOTE : Engine speed must be allowed to stabilize a minimum of 20 seconds after each adjustment of L mixture needle…read more in the manual

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Echo CS-2510TES Service Workshop Manual PDF

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