15
PRE-OPERATION INSPECTION AND MAINTENANCE
Effects of the setting parts on the throttle valve opening
(1)
Slow Jet / Pilot Screw
(2)
Throttle valve cutaway
(3)
Jet Needle / Needle Jet
(4)
Main Jet
(1)
(2)
(3)
(4)
1/8
1/4
Closed
1/2
3/4
Full
Open
Here is the recommended setting information of TK MV33-1F and PE28 carburetor,
for your reference.
Tested Conditions
Carburetor
TK MV33-1F (DT#88600)
Air Temperature
35 degrees Celsius
Humidity
50%
Atmospheric Pressure
1003 hPa
with UNI Air Filter (#UP-4200ST)
Fuel Octane#100
Item
Recommendation
Main Jet
#129
Slow Jet
#38
Main No
φ
2.600
Jet Needle
5A11
Clip position : In the 5
th
groove from the top
Pilot screw
2 return