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EXPLODED VIEW OF INTERNAL GEARBOX CONTROL
UNIT:
13) I - IV fork;
14) V - VI fork;
15) bush;
16) fork pin;
18) desmodromic control
3.4.4 CHECKING THE FORKS, FORK
PINS AND DESMODROMIC
DEVICE
The internal gearshift is made up of:
•
two forks
13
which drive two gears on the secon
-
dary unit;
•
one fork
14
which drives one gear on the primary
unit;
•
three drive pin bushes
15
;
•
two fork pins
16
;
•
desmodromic gearshift
18
through whose rota
-
tion the forks are driven thus selecting the desired
gear.
Check to make sure that the drive pins which sup
-
port the bushes
15
have no traces of meshing or
abnormal wear and that the bushes themselves are
not worn.
