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ROAD CONDITION AND EXAMPLES OF CARBURETOR SETTING
Main jet
A
B
Jet needle
A
B
Pilot jet
Pilot air
A
screw
B
Power jet
A. For USA and CDN
B. Except for USA and CDN
Optimum pilot air screw setting can be obtained by adding the ex-factory number of the same screw back-out turns to any
required value provided in the chart. For example, if the ex-factory number is "1", add "1" to the value chosen in the chart.
General condition
Under 10°C
15–25°C (59–
(50°F)
77°F)
(Winter)
(Spring, Au-
tumn)
#178
#178
#180
#178
N3CW-3
N3EW-2
N3EW-3
N3CW-3
#50
#50
-1/4
0
-1/4
0
#50
#50
Over 25°C
Under 10°C
(77°F)
(50°F)
(Summer)
(Winter)
#178
#182
#178
#182
N3EJ-2
N3CW-3
N3EW-2
N3CW-4
#50
#52
0
0
0
-1/4
#50
#50
7-4
ENGINE
Sandy condition
15–25°C (59–
Over 25°C
77°F)
(77°F)
(Spring, Au-
(Summer)
tumn)
#180
#178
#180
#178
N3CW-3
N3CW-3
N3EW-3
N3EW-3
#52
#52
0
+1/4
0
+1/4
#50
#50
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