FUEL SYSTEM
CS-501SX, CS-501SXH
501sx
30
4-7 Air shutter
When it is cold weather (outside air temperature
is 5 ºC/41ºF or lower) and acceleration is poor, re-
lease air shutter.
1. Air shutter is located in cylinder cover (A).
2. Picture shows normal position (sun mark) of air
shutter (B).
3. Reverse air shutter (B) to open position (snow-
man mark) to open air duct and introduce warm air
from cylinder side to carburetor side.
NOTE:
In order to avoid carburetor vapor lock, re-
turn air shutter to normal position (sun mark) when
temperature is above freezing.
B
B
A
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