APRILIA Tuono 660 2021 Service Station Manual page 266

Suspensions
•
Supporting the lower triple clamp, in-
sert the ring nut (10) on the headstock
and tighten it fully by hand.
•
Using the special tool, pre-tighten the
ring nut to ... Nm (... lbf ft) and then
tighten it to ... Nm (... lbf ft).
Specific tooling
AP8140190 Steering tightening tool
•
Screw the upper steering ring nut (11)
and align the grooves to be able to in-
sert the safety plate.
•
Insert the safety plate (12).
Rear
SUSP - 266
RS 660 - Tuono 660