Spark Plug; Cooling System Cleaning - Echo CS-300 Instruction Manual

SPARK PLUG

• Check periodically
• Gap = 0.65mm (.026 in.)
• Replace if either electrode is worn, or if the insulator is
fouled by oil or other deposits.
• Torque = 145 – 155 kg*cm (125 – 135 in. lb.)
IMPORTANT
Do not over-torque.

COOLING SYSTEM CLEANING

• Remove spark plug lead.
• Remove two (2) muffler cover screws and muffler cover.
• Remove four (4) recoil starter housing screws and starter
housing.
• Use a stiff bristle cleaning brush (do not us a metal
brush) to remove dirt from cylinder fins in muffler and
ignition coil areas.
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