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CS-450
Oil lter
Fuel lter
Oil tank cap Fuel tank cap
0.65 mm (0.026 in.)
AIR FILTER
• Check before every use.
• Loosen cleaner cover knob and remove air
cleaner cover and lter.
• Brush off dust lightly, or clean with compressed
air, or replace the air lter.
• Reinstall air lter and cover.
CHECK FUEL SYSTEM
• Check before every use.
• After refueling, make sure fuel does not leak
from around fuel pipe, fuel grommet or fuel tank
cap.
• In case of fuel leakage there is a danger of re.
Stop using the machine immediately and re-
quest your dealer to inspect or replace.
SPARK PLUG
• Check periodically.
• The standard spark gap is 0.65 mm
(0.026 in.).
• Correct the spark gap if it is wider or
narrower than the standard gap.
• Fastening torque: 15 to 17 N·m
(130 to 145 in. lb.).
FUEL FILTER
• Check periodically.
• Do not allow dust to enter fuel tank.
• A clogged lter will cause difculty in starting
engine or abnormalities in engine performance.
• Pull the fuel lter out through fuel inlet port with
a piece of steel wire or the like.
• When the lter is dirty, replace it.
• When the inside of the fuel tank is dirty, rinsing
the tank out with gasoline can clean it.
Cleaner cover knob
Spark plug
Air cleaner cover
Air lter
Cylinder cover
Air lter cover
NOTE
Federal EPA regulations require all model
year 2012 and later gasoline powered engines
produced for sale in the United States to be
equipped with a special low permeation fuel sup-
ply hose between the carburetor and fuel tank.
When servicing model year 2012 and later equip-
ment, only fuel supply hoses certied by EPA can
be used to replace the original equipment supply
hose. Fines up to $37,500 may be enforced for
using an un-certied replacement part.
OIL FILTER
• Check periodically.
• Do not allow dust to enter into oil tank.
• A clogged oil lter will affect the normal lubricating
system.
• Pull it out through oil lling hole with a piece of steel
wire or the like.
• If the lter is dirty, wash it in gasoline or replace it.
• When the inside of the tank gets dirty, rinsing the
tank out with gasoline can clean it.