3A-12 - FUEL SYSTEMS 90-817643R1 DECEMBER 1996
WME Carburetor
Specifications
Carburetor Number Stamped at TOP of carburetor mounting flange.
Model
Carburetor Number H.P. Main Jet Bowl Vent Jet
WME-23 50 .052 .092
WME-26 50 .048 .090
WME-27 55 .060 None
WME-22 A or B 60 .070 .090
WME-35 60 .068 None
WME-28 60 .062 .090
WME-43 50 .048 .090
WME-44 55/60 .060 None
WME-45 45/60 .062 .090
REJETTING CARBURETORS FOR HIGH ALTITUDE
OPERATION
The carburetor jet installed at the manufacturer is for en-
gine operation at sea level through an elevation of 2500
feet (762m) above sea level. If the engine is to be operated
at an altitude higher than 2500 feet above sea level, it will
be necessary to rejet (remove the carburetor jets and in-
stall jets with a different orifice size) the carburetors. Each
time the engine is to be operated at a different elevation
from the previous time, refer to the “Carburetor Jet Charts”
following, and rejet the carburetors for elevation engine will
be operated at.
HIGH ALTITUDE JET CHART
Engine Operation
Elevation High Speed Jet Size
(Above Sea Level)
2500’-5000’ .002” smaller (than standard jet)
(750-1500m)
5000’-7500’ .004” smaller (than standard jet)
(1500-2250m)
7500’ and Up .006” smaller (than standard jet)
(2250m and Up)
*Standard Jets listed are for operation of engine from 0 ft. – 2500 ft.
(0–762 M) of elevation.
JET ORIFICE SIZE/PART NUMBER CHART
NOTE: Thread size for jets is 10-32.
JET ORIFICE SIZE/PART NUMBER CHART
Jet Jet
Orifice Part Orifice Part
Size Number Size Number
(inch) (inch)
.040 19266040 .058 1395-7831
.042 1399-5315 .060 1395-6487
.044 1395-7394 .062 1399-4217
.046 1399-5317 .064 1399-4216
.048 1395-6246 .066 1399-4215
.050 1395-6028 .068 1395-6029
.052 1395-6359 .070 1395-6030
.054 1399-5225 .072 1395-6207
.056 1399-5213 .074 1399-3794
.076 1399-3796 .094 1395-8423
.078 1395-6680 .096 1399-6249
.080 1395-6201 .098 1395-7335
.082 1399-3518
.084 1399-3517
.086 1395-5815
.088 1395-6202
.090 1395-6247
.092 1395-5733
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