KEEWAY ATV250, Service And Maintenance Manual, Page: 45 / 97

41
AIR filter assy
The way of cleaning the core of air cleaner
1
、
Dismantle the cover of air cleaner.
2
、
Clean the core in the clean washing oil ,and then make
the core dry.
3
、
Drop the core into the clean oil of the gear to be
soaking enough,and then push out the surplus oil
4
、
Reinstallate all the parts according to the reverse
process of dismantlement.
C A R B U R E T O R
The curve of oil consumption
70 Perfect
Process Econ- state
60 omic
cost
(km) 50 area
State in fact
40
30
20 30 40 50 60 70 80 90
rate
（
km/h
）
For every engine
，
the rate of air and gas in economic rate is
equal to the rate of max intake air and min intake gas.
The manufacturer
Type
Model
The diameter of
throat pipe
Main nozzle
Idle speed nozzle
Ring value of
mixing rate ccrew
The height of
float
KEEWAY
China
Vacuum chaff type
PD31
31mm
294#
34#
1~2circle
12
±
1mm
core