APRILIA Tuono 660 2021 Service Station Manual page 226

Engine
•
Apply a layer of threebond at the points
indicated on the lower crankcase.
•
Position the lower crankcase (2) on the
upper crankcase.
•
Tighten the six internal M10 screws, the M8 screws and the M6 screws crosswise to the
prescribed torque, following the alphabetical order.
ENG - 226
RS 660 - Tuono 660