15
SPARK PLUG
• Check periodically
• Gap = 0.65mm (.026”)
• 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.)
CAUTION: Do not over-torque.
COOLING SYSTEM CLEANING
• Remove spark plug lead.
• Remove muffler cover.
• Remove recoil starter housing.
• Use a stiff bristle cleaning brush (do not use a metal
brush) to remove dirt from cylinder fins in muffler and
ignition coil areas.
CARBURETOR ADJUSTMENT
ENGINE BREAK-IN
New engines must be operated a minimum duration of two
tanks of fuel break-in before carburetor adjustments can be
made. During the break-in period your engine performance
will increase and exhaust emissions will stabilize. Idle speed
can be adjusted as required.
HIGH ALTITUDE ADJUSTMENT
High altitude adjustment is not required for proper operation
of this engine.
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