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Product Description
Using the illustration as a guide,
familiarize yourself with your
machine and its various compo-
nents. Understanding your machine
helps ensure top performance, long
service life and safer operation.
WARNING!
Do not make unauthorized
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these units or their components.
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Outer Tube
Grip
Cutting Attachment
Shield
Gearcase
Handle
Throttle
Trigger
Throttle Interlock
Ignition
Switch
Fuel
Tank
Hanger
Engine Name C2510
Engine Model SF2510E
Engine Type 4-cycle, vertical cylinder, air cooled
Dry Weight (Without guard and strap) 5.6 kg/12.4 lb.
Bore x Stroke 1.3 x 1.1 in./ 34 x 27 mm
Displacement 24.5 cc/1.5 cu. in.
Maximum Power Output 1.1 HP (0.8 kW) @ 7500 (min
-1
)
Engine Idle Speed
3,000 (±250) min
-1
Fuel/Oil Ratio 50:1 with ISO-L-EGD or JASO FD class 2-cycle mixing oil
Fuel Tank Capacity
600 ml/20.3 oz.
Carburetor Type Walbro, WYL, diaphragm-type
Ignition One-piece electronic, program-controlled
Spark Plug** NGK CMR5H
Plug Gap 0.6 - 0.7 mm / 0.024 - 0.028 inch
Torque 100-150 kg cm / 9.8 - 14.7 N∙m
Air Cleaner Type Foam pre-filter; sealed felt main filter
Starting Method Recoil
Stopping Method Slide switch
Transmission Type Automatic, centrifugal clutch w/bevel gear
EPA Emission Compliance Period* Category A
Specifications are subject to change without notice.
* The EPA emission compliance period referred to on the emission compliance label located on the engine, indicates the
number of operating hours for which the engine has been shown to meet Federal emission requirements. Category C =
50 hours (Moderate), B = 125 hours (Intermediate) and A = 300 hours (Extended)
** The NGK CMR5H also meets the requirements for electro magnetic compliance (EMC).