APRILIA SHIVER 900 Service Station Manual page 210

Engine
•
Remove the three gear selection forks.
CAUTION
THE FORK FOR THE PRIMARY SHAFT IS SMALLER THAN
THAT OF THE SECONDARY SHAFT.
THE FORKS FOR THE SECONDARY SHAFT ARE THE
SAME.
•
Remove the shim.
•
Carefully turn the engine support.
•
Carefully extract the entire gearbox as-
sembly.
FITTING
•
Repeat the removal operations in the opposite order, taking care to check that the shim is
present on the secondary shaft.
VERIFICATION OF PINION FASTENING ON SECONDARY SHAFT
Perform the following procedure in order to check the hole for fastening the pinion onto the gearbox's
secondary shaft.
•
Measure the external diameter of the countersink on the hole for fastening the pinion onto
the secondary shaft.
•
In order to reduce the measurement error, lock the bore gauge after having set it to 15.5
mm, then check whether the two ferrules are inside or outside the countersink.
CAUTION
THE RELIABILITY OF THE MEASURED VALUE IS FUNDAMENTAL.
ENG - 210
SHIVER 900