c. Never attempt to brush the accumulated dust and debris from
t
he filter. This will force the grime into the fibers and plug the
filter.
d. Clean dirty air filter with warm water and mild soap or a non-
flammable solvent. Replace the water as necessary, until the
water is no longer dirty. Do not use a flammable solvent to
clean the foam filter. The solvent may dissolve or clog the
filter. Dispose of the oil contaminated water in accordance with
your local by-laws.
e. Allow air filter to dry.
7. Reinstall the filters into the housing and secure the lid with the cap
clips.
CARBURETOR ADJUSTMENT
Ne
ver make adjustments to the carburetor. The carburetor was set at
the factory to operate efficiently under most conditions. Only a qualified
service technician should adjust the carburetor if it is required.
MODIFYING THE CARBURETOR FOR HIGH ALTITUDES
A
t high altitude, the standard air-fuel mixture is too rich, causing
increased fuel consumption and decreased performance. A rich
mixture will also foul the spark plug and cause hard starting.
A qualified technician can improve high altitude performance with
certain modifications. Have your carburetor modified if the engine will
routinely be operated at altitudes above 5,000 ft (1,524 m). Even with
carburetor modification, engine power will decrease about 3.5% for
each 1,000 ft (305 m) increase in altitude. The effect of altitude on
engine power will be greater than this is if no modification is made.
NOTICE! When the carburetor has been modified for high
altitude oper
ation, the air fuel mixture will be too lean for
low altitude use. Operation at altitudes below 5,000 ft (1,524
m) may cause the engine to overheat and result in serious
engine damage. When using this engine at low altitudes,
have a qualified technician return the carburetor to original
factory specifications.
8996977 V-TWIN GAS ENGINE V1.1
Assistance available at www.princessauto.com or 1-800-665-8685 Page 18
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