CHAPTER 3C ENGINE 100/125/150/200 SERVICE MANUAL09.0
CHAPTER 3C ENGINE PAGE.3C - 30 -
16. Wash jet and nozzle in clean gasoline and
clear them of filth with compressed air. Blow
each fuel passage of carburetor clean with
compressed air. And install them in their
original positions.
17. Measure fuel level by holding the gauge
vertically to the float chamber and in
alignment with the main jet. The standard
fuel level is 18.5mm. After inspection, fit the
lid on the float chamber and install the
carburetor.
NOTE:
Generally, fuel level adjusting screw has already
been adjusted before leaving factory. There is no
need for adjusting. If need be, it should be done by
a professional.
Adjustment steps:
Run the engine 3-5 minutes. Adjust the idle screw
with a screw driver to keep the revolution within the
range of 1700±170rpm. The adjusting screw
should usually be screwed in gently and screw out
by 2 3/8-3 7/8 turns.
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