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Choke
Mufer
Bar
Nuts
Clutch Cover
Rear Hand
Guard
Rear Handle
Chain Catcher
Bumper Spikes
Unit Description
IMPORTANT!
The terms “left”, “left-hand”, and “LH”;
“right”, “right-hand”, and “RH”; “front”
and “rear” refer to directions as viewed
by the operator during normal operation.
Using the accompanying illustrations
as a guide, familiarize yourself
with your machine and its various
components.
Understanding your machine helps
ensure top performance, long service
life, and safer operation.
Chain Brake Lever
Hand Guard
Guide Bar
Chain
Bar and Chain Oil
Filler Cap
Front
Handle
Starter Handle
Fuel Cap
Throttle
Trigger
Air Cleaner Cover
Ignition
Switch
Throttle
Lockout
Specications
Model Name 502s
Displacement 50.2 cm
3
Bore X Stroke 44 x 33 mm
Engine Type 2-cycle, vertical cylinder, air-cooled
Cooling System Forced Air
Carburetor Diaphragm
Fuel Gasoline 2-cycle mixing oil mixture 50:1
Fuel Tank Capacity 18.2 oz (540 ml)
Oil Tank Capacity 10 oz (295 ml)
Recommended Bar Size 16” (40 cm), 18” (45 cm), 20” (50 cm)
Recommended Bar Type Sprocket Nose Bar
Recommended Chain Type Oregon type 33SL, pitch 0.325”, gauge 0.050”
Number of Rim Teeth 7
Specified Pitch of Drive Sprocket 0.325”
Starting Recoil Starter
Ignition Electronic ignition system
Spark Plug NGK BPMR7A
Power Transmission Automatic Centrifugal Clutch
Handle Anti-vibration
Chain Lubrication Automatic adjustable flow rate
Weight (less bar/chain) 10.4 lb (4.7 kg)
EPA Emission Compliance Period** Category A
WARNING!
Replacement chain for this
saw must meet applicable ANSI
B175.1 kickback performance
requirements and/or be designated
as “low kickback chain” per ANSI
B175.1.1-2000 standards.
*Specifications subject to change without notice.
** The EPA emission compliance 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).
RECOMMENDED BAR AND CHAIN COMBINATIONS
Oregon
®
Oregon
®
Oregon
®
CHAIN TYPE:
33SL (16”) 33SL (18”) 33SL (20”)
PART #: 33SL0-66X 33SL0-72X 33SL0-78X
GUIDE BAR:
16” Pro-Lite 18” Pro-Lite 20” Pro-Lite
PART #: 40085-16 38490-18 40084-20