Maintenance (continued)
FUEL SYSTEM MAINTENANCE (continued):
(See diagram below) and either clean or replace the fuel filter element. Re-assemble the
fuel filter element (refer to “Fuel Filter Element Assembly” diagram below).
USAGE IN HIGH ALTITUDE REGIONS:
In regions with high altitude, the standard carburetor produces overly dense
combinations of fuel and air, which result in decreased engine performance and
increased fuel consumption. To maintain high engine performance at high altitudes,
install a high altitude carburetor main spray nozzle and re-adjust the adjusting screw for
idle speed. For usage in regions with an altitude of over 4,527 ft (1380m), contact your
dealer to replace the standard carburetor and make needed adjustments in advance.
Even with a proper high altitude carburetor spray nozzle installed in the engine, the
power output of the engine will drop about 3.5% with every 1000 ft (305m) increase in
altitude. If the standard carburetor jets are not replaced and adjusted for usage in high
altitude, the increased altitude effect will be even more severe.
NOTE: Usage of the water pump in regions with lower altitude than the high altitude
carburetor spray nozzle is applicable may result in decrease of engine performance. The
engine may become overheated and over-lean, creating a combination of fuel and air
produced which may cause severe damage to the engine.
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