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WARNING!
Never operate the unit with
a damaged or missing mufer or
spark arrester! Operating with a
missing or damaged spark arrester
is a re hazard and could also dam-
age your hearing.
If the engine becomes sluggish and low
on power, check and clean the spark
arrester screen.
IMPORTANT!
If you note excessive carbon buildup, con-
sult with an authorized Shindaiwa servicing
dealer.
With a 4 mm hex wrench remove the 5.
three muffler bolts and the muffler.
Inspect the cylinder exhaust port for 6.
any carbon buildup.
Gently tap the muffler on a wood 7.
surface to dislodge any loose carbon.
Reassemble the spark arrester, muf-8.
fler and engine cover in the reverse
order of disassembly.
Remove the spark plug boot.1.
With a 3 mm hex wrench remove 2.
the one muffler cover screw, three
engine cover screws, the engine
cover and muffler cover.
With a cross-head screwdriver 3.
remove the five screws holding the
spark arrester screen and cover to
the muffler.
Remove the screen and clean it with 4.
a stiff bristle brush.
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 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.
Mufer and spark arrester maintenance
Engine Cover
Screws
Mufer Cover
Engine Cover
Mufer
Cover
Screw
Spark arrester
screen
Spark arrester
cover
Outlet
Mufer gasket
Mufer
Gasket
Mufer
screws
Mufer and spark arrester maintenance
Screws
Maintenance (continued)