WORK SHOP BULLETIN NO.1
Subj.:
250, 360
&
early
400cc
clutch
If slipping or incomplete clutch release occurs correct as
follows:
1. Steel clutch
Machine .020 inch (.5mm) from the fiber clutch
plate. This machining to be done on one side
only.
2. All fiber clutch
Machine one fiber plate, one side only per
step one above.
Note:
USE a total of 20 clutch springs stacked as shown.
(())
(())
(())
(())
(())
Subj.:
Late 400
&
501 clutch
If the big clutch will not release, cut the clutch arm (located
on the case) approximately
3/4 inch. Bend the clutch lever out-
ward until the lever fits flat to the bar grip when pulled all
the way in.
If the clutch still will not release, check the splined steel plates
for flatness. If all of the -steel plates are flat, then machine
.010 to .020 from one side of one fiber plate. Be sure to under-
cut the unlined area at least .020 or else the clutch will slip.
Note: USE a total of 18 - 20 clutch springs stacked as shown.
()
()
()
()
()
()
()
()
()
()
WORK SHOP BULLETIN NO.1
Subj.:
250, 360
&
early
400cc
clutch
If slipping or incomplete clutch release occurs correct as
follows:
1. Steel clutch
Machine .020 inch (.5mm) from the fiber clutch
plate. This machining to be done on one side
only.
2. All fiber clutch
Machine one fiber plate, one side only per
step one above.
Note:
USE a total of 20 clutch springs stacked as shown.
(())
(())
(())
(())
(())
Subj.:
Late 400
&
501 clutch
If the big clutch will not release, cut the clutch arm (located
on the case) approximately
3/4 inch. Bend the clutch lever out-
ward until the lever fits flat to the bar grip when pulled all
the way in.
If the clutch still will not release, check the splined steel plates
for flatness. If all of the -steel plates are flat, then machine
.010 to .020 from one side of one fiber plate. Be sure to under-
cut the unlined area at least .020 or else the clutch will slip.
Note: USE a total of 18 - 20 clutch springs stacked as shown.
()
()
()
()
()
()
()
()
()
()
Maico 72-74.5 Radial Manaual
www.maicowerk.com
Courtesy of [email protected]
