35
Carburetor Modification for High Altitude Operation
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 1,500 meters (5,000 feet) with a modified carburetor
may cause the engine to overheat and result in serious engine
damage. For use at low altitudes, have your servicing dealer return
the carburetor to original factory specifications.
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 starting.
Operation at an altitude that differs from that at which this engine was
certified, for extended periods of time, may increase emission.
This engine, when operated at high altitude 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 300 meter (1,000 foot) increase in altitude. The
effect of altitude on horsepower will be greater than this if no
carburetor modification is made.
High altitude performance can be improved by specific modifications
to the carburetor. If you always operate your snowblower at altitudes
above 1,500 meters (5,000 feet), have your authorized Honda servicing
dealer perform this carburetor modification.
Summary of Contents for HSS622
Page 13: ... 10 TC and TCS types French labels come with the snowblower ...
Page 14: ... 11 TC and TCS types French labels come with the snowblower ...
Page 67: ...64 MEMO ...
Page 68: ...65 MEMO ...
Page 69: ...66 MEMO ...
Page 81: ... Des étiquettes en français sont prévues sur le chasse neige Types TC et TCS 10 ...
Page 82: ... Des étiquettes en français sont prévues sur le chasse neige Types TC et TCS 11 ...
Page 135: ...NOTES 64 ...
Page 136: ...NOTES 65 ...
Page 137: ...NOTES 66 ...
Page 149: ... 10 Typen TC und TCS Die Schneefräse ist mit Plaketten auf Französisch versehen ...
Page 150: ... 11 Typen TC und TCS Die Schneefräse ist mit Plaketten auf Französisch versehen ...
Page 203: ...64 NOTIZEN ...
Page 204: ...65 NOTIZEN ...
Page 205: ...66 NOTIZEN ...
Page 217: ... Lo spazzaneve è fornito di etichette in francese Tipi TC e TCS 10 ...
Page 218: ... Lo spazzaneve è fornito di etichette in francese Tipi TC e TCS 11 ...
Page 271: ...NOTA 64 ...
Page 272: ...NOTA 65 ...
Page 273: ...NOTA 66 ...