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CA474
Emissions
(Europe Only)
CA399
The following information applies only to engines with a special emissions kit installed. If the kit has been
installed, your engine complies with “Stage 1” Bodensee and Swiss Regulations.
CA398
Sealed Carburetor Mixture Screws
The carburetor on this engine has seals on the carburetor mixture screws. These seals prevent adjustment of
the fuel mixture settings.
!
CAUTION
Do not remove mixture screw seals and/or attempt to adjust fuel mixture setting. Tampering with the mix-
ture setting on this engine could affect the exhaust emissions level, thus voiding the emissions certifica-
tion. These seals should only be removed by an authorized dealer or emissions testing agency.
CA99
Changing Positive Crankcase Ventilation Valve (PCV)
This engine is equipped with a positive crankcase ventilation valve (PCV). This valve should be changed every
100 hours of operation or at least once a year, whichever occurs first.
1 Remove PCV valve from port valve cover. Disconnect it from the hose and discard valve. Install new PCV
valve in valve cover and reconnect hose. Ensure valve is tightly seated in valve cover.
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