Great Land DG1P65F Manuel du propriétaire - Page 17

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TECHNICAL & CONSUMER INFORMATION
TECHNICAL INFORMATION

Serial Number Location

Record the engine serial number in the space below. You will need this information when
ordering parts and when making technical or warranty inquiries.
Carburetor Modifications for High Altitude Operation
At high altitude, the standard carburetor air-fuel mixture will be too rich. Performance will
decrease, and fuel consumption will increase.
A very rich mixture will also foul the spark plug and cause hard operation at an altitude that differs from
that at which this engine was certified, for extended periods of time, may increase emissions. Starting.
High altitude performance can be improved by specific modifications to the carburetor. If you always
operate your engine at altitudes above 5,000 feet (1,500 meters), have authorized servicing dealer
perform this carburetor modification. This engine, when operated at high altitudes with the carburetor
modifications for high altitude use, will meet each emission standard throughout its useful life.
Even with carburetor modification, engine horsepower will decrease about 3.5% for each 1,000 feet (300
meters) increase in altitude. The effect of altitude on horsepower will be greater than this if no carburetor
modification is made.
When the carburetor has been modified for high altitude operation, the air-fuel mixture will be too lean for
low altitude use. Operation at altitudes below 5,000 feet (1,500 meters) with a modified carburetor may
cause the engine to overheat and result in serious engine damage. For use at low altitudes, have an
authorized servicing dealer return the carburetor to original factory specifications.
A: Serial number location
17