APRILIA Tuono 660 2021 Service Station Manual page 310

Chassis
Perform the procedure described as follows to
check chain wear:
•
Tauten the chain.
•
Place the jaws of the tool on the rollers
at the opposite ends of a STRAIGHT
length of chain consisting of 8 chain
links.
•
Check that the notch on the sliding jaw
matches the correct marking on the in-
strument.
Installing
•
After fitting the chain on the pinion and
on the crown, put the inner O-rings (1)
back onto the hammerlock pins (2) and
connect the two ends of the transmis-
sion chain.
•
Place the outer O-rings (3) on the pins.
•
Compress the outer plate (4) using the
appropriate generic tool.
CAUTION
BE CAREFUL NOT TO COMPRESS TOO THE OUTER
PLATE TOO MUCH AS THIS COULD SEIZE THE CHAIN.
CHAS - 310
RS 660 - Tuono 660