Yamaha EK25BMH, Service Manual

Page: 48 / 230

CONTROL SYSTEM
CHK
ADJ
3-9
E
(3) Make sure that the magnet base stop-
per is in contact with the stopper on
the engine body (full-close end stop-
per)
.
(4) Make sure that the lever is in contact
with the carburetor throttle stop screw.
(5) Correct adjustment has been estab-
lished if the cam roller is not in contact
with the accelerator cam.
(6) If the lever is not in contact with the
throttle stop screw move the plate cam
to the left so that the lever comes to
contact with the throttle stop screw.
NOTE:
• When shifting the plate cam slightly, do
not shift it more than 2 mm (0.079 in) to
the left from the point at which the
marking line of the full-open mark "C"
aligns with the centerline of the roller
cam at full-throttle.
• After adjustment, open and close the
throttle for several times, and reassure
that the lever is in contact with the
throttle stop screw on the carburetor,
and that the cam roller is not in contact
with the accelerator cam.
3
4
3
4