Tecumseh Parts    |    Tecumseh Parts Lookup    |    Tecumseh Repair Manuals SERVICE BULLETIN 110 INFORMATIONAL ISSUED: May 1985 REVISED: July 1997 SUBJECT: High Altitude Carburetor Kits for Fixed Main Carburetors Engines built to O.E.M. specifications may experience starting and operating problems when used in areas of the country where the altitude is four thousand feet above sea level or higher. A leaner fuel/air mixture is more desirable at higher elevations to sustain good engine startability and operating characteristics. Engines built with adjustable idle and main circuit carburetors can be adjusted (or fine tuned by adjusting). The following will assist you in selecting the correct high altitude/leaner jetted bowl nut for engines equipped with fixed main or dual system carburetors. Order your requirements from your source of supply. 4 CYCLE   STANDARD BOWL/NUT   ENGINE STAMPED Over 4,000 Ft.       LEV115

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