Linhai 2004 ATV 260 Service Manual page 220

CHAPTER 3C ENGINE 100/125/150/200
SERVICE MANUAL09.0
8. Remove screw to take out air pressure
diaphragm cover, spring and diaphragm.
Inspect spring for distortion and diaphragm for
damage. If that is the case, replace as a set.
Install in the reverse order of removal.
NOTE:
Make sure the slot on the air pressure diaphragm
is in alignment with the corresponding setting slot
on the carburetor.
9. Remove two screws to take out air pressure
chamber cover.
10. Remove spring, air pressure diaphragm and
piston.
CHAPTER 3C ENGINE PAGE.3C - 28 -