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*Shaded cells indicate factory settings.
ALTITUDE
°F:
Meters (Feet)
°C:
Main Jet
0-600
Pilot Jet
(0-2000)
Clip Position
Main Jet
600-1200
Pilot Jet
(2000-4000)
Clip Position
Main Jet
1200-1800
Pilot Jet
(4000-6000)
Clip Position
Main Jet
1800-2400
Pilot Jet
(6000-8000)
Clip Position
2400-3000
Main Jet
(8000-10000)
Pilot Jet
Clip Position
3000-3700
Main Jet
(10000-12000)
Pilot Jet
Clip Position
The carburetor jetting chart above is consistent with the provisions of U.S.A. federal regulation 40 CFR 1051.115(d)(3).
Carburetor Jetting
AMBIENT TEMPERATURE
Below -25
-30 to -10
Below-35
-34 to -23
-26 to -15
82
82
42
42
#4
#4
82
82
42
42
#4
#4
82
82
42
42
#4
#4
82
82
42
42
#4
#4
80
80
42
42
#4
#4
80
80
42
42
#4
#4
-15 to +5
0 to +20
+15 to +35
-18 to -7
-9 to +2
82
82
80
40
40
40
#4
#4
#4
82
82
80
40
40
40
#4
#4
#4
82
82
80
40
40
40
#4
#4
#4
82
82
80
40
40
40
#4
#4
#4
80
80
78
40
40
40
#4
#4
#4
80
80
78
40
40
40
#4
#4
#4
Specifications
+30 to +50
+45 to +65 Above +60
-1 to +10
+7 to +18
Above +16
80
80
40
40
#4
#4
80
80
40
40
#4
#4
80
80
40
40
#4
#4
80
80
40
40
#4
#4
78
78
40
40
#4
#4
78
78
40
40
#4
#4
80
40
#4
80
40
#4
80
40
#4
80
40
#4
78
40
#4
78
40
#4
167
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