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High Altitude Carburetor Adjustment
105
Information
Have your motorcycle inspected and repaired by
your dealer if you experience any of the
following symptoms:
●
Hard starting or stalling after starting
●
Rough idling
●
Misfiring or backfiring during acceleration
●
Poor engine performance and poor fuel
economy
High Altitude Carburetor
Adjustment
Your engine’s air-fuel mixture becomes overly
rich when operated at high altitudes. Above
6,500 feet (2,000 m), a rich mixture can cause
driveability problems, reduce engine
performance, and increase fuel consumption.
To compensate, you can have the carburetors
adjusted for high altitude riding. See your
dealer.
However, the carburetors must be returned to
standard factory specifications before riding
again at lower altitudes (below 5,000 feet,
1,500 m). See your dealer.
Sustained riding at lower altitudes with the lean
high-altitude setting may cause rough idling,
stalling, or engine damage from overheating.
Problems Affecting Motorcycle Exhaust
Emissions
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