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Engine
Cover
Screws
Engine Cover
Mufer
Mufer Gasket
Mufer Bolts
Spark Arrester Screen
Spark Arrester Cover
Cover Screws
With a 3 mm hex wrench remove 1.
the 4 engine cover screws and the
engine cover.
If the engine becomes sluggish and low
on power, check and clean the spark
arrester screen.
IMPORTANT!
If you note excessive carbon buildup,
consult with an authorized Shindaiwa
servicing dealer.
Maintenance (continued)
Mufer Maintenance
WARNING!
Never operate the unit with
a damage or missing mufer or spark
arrester! Operating with a missing
or damaged spark arrester is a re
hazard and could also damage your
hearing.
With a 4 mm hex wrench, remove 2.
the 3 muffler bolts and the muffler.
With a small flat bladed screwdriver 3.
remove the 2 screws holding the
spark arrester screen and cover to
the muffler.
Remove the screen and clean it with 4.
a stiff bristle brush.
Inspect the cylinder exhaust port for 5.
any carbon buildup.
Reassemble the spark arrester, muf-6.
fler and engine cover in the reverse
order of disassembly.
High Altitude Operation
This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to 1,100
feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above 1,100 feet ASL
the carburetor may need to be adjusted by an authorized Shindaiwa service dealer.
IMPORTANT!
If the engine is adjusted for operation above 1,100 feet ASL, the carburetor must be re-adjusted when operating the engine
below 1,100 feet ASL, otherwise severe engine damage may result.
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.
NOTE:
Every unit is run at the factory and the carburetor is set in compliance with emission regulations. Carburetor adjustments,
other than idle speed, must be performed by an authorized Shindaiwa dealer.