3. Adjustments
USE AND MAINTENANCE MANUAL
CHAPTER 3
ADJUSTMENTS
2-Strokes - Edition 01 / 2023
93
3
A
B
1
2
3
4
8
5
7
6
Relationship with throttle opening (XE 125 version)
The flow of fuel through the main system of the carburettor
is controlled by the full jet and then further regulated by
the area between the atomizer and the taper pin. In the
relationship between fuel flow and throttle opening, fuel
flow refers to the diameter of the straight portion of the taper
pin around the 1/8 to 1/4 throttle opening, while the 1/4 to
1/1 throttle opening refers to the initial position of the taper
and the position of the clip.
Therefore, the fuel flow is balanced at each stage of the
throttle opening by a combination of the diameter of the
straight portion of the taper pin, the initial position of the
taper and the position of the clip.
A. Lean (larger diameter)
B. Rich (smaller diameter)
1. 1/8 throttle
2. 1/4 throttle
3. 1/2 throttle
4. Fully open
5. NYCF-2 pin
6. NYCG-2 pin
7. NYDF-2 pin
8. Main nozzle
Carburetor setting parts (XE 125 version)
Main jet
Main jet
Size
Part number
Lean
#148
09002001
#150
09001001
#152
09000001
#155
08999001
#158
08998001
#160
08997001
Standard (XE 125 “Racing” version)
#162
07917005
#165
07916005
#168
07915005
#170
07914005
#172
07913005
Rich
#175
07912005
Pilot jet
Pilot jet
Size
Part number
Lean
#50
07871005
#52
07866005
#55
07870005
#58
07869005
Standard (XE 125 “Racing” version)
#60
07868005
#62
07867005
#65
08988001
Содержание XX 125
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