APRILIA RS 660 User Manual

HEAD - VALVES
Pos. Description Type Quantity Torque Notes
1 Cam tower fixing screws - 12 11 Nm (8.11 lbf ft) -
2 Water temperature sensor - 1 20 Nm (14.75 lbf ft) -
3 Thermostat cover flanged hex fixing
screw
M5 5 6 Nm (4.43 lbf ft) -
4 Secondary air cover fixing screws M5x16 3 6 Nm (4.43 lbf ft) -
5 Stud bolts M10 4 10 Nm (7.38 lbf ft) -
6 Flanged nut fixing cylinder head M10 6 30 Nm (22.12 lb ft) Pre-tightening - lu-
bricate with MOLY-
KOTE G-RAPID
PLUS
6 Flanged nut fixing cylinder head M10 6 180° Tightening
Removing the head cover
To proceed with removing the head cover, pro-
ceed as described:
•
Remove the four fixing screws (1) of
the head cover and the relative damper
pads (2).
•
Remove the head cover (3).
•
Remove the gaskets (4).
RS 660 - Tuono 660 Engine
ENG - 193

APRILIA RS 660 Specifications

General

Displacement	659 cc
Bore x Stroke	81 mm x 63.93 mm
Compression Ratio	13.5:1
Maximum Power	100 HP (73.5 kW) @ 10, 500 rpm
Maximum Torque	67 Nm @ 8, 500 rpm
Transmission	6-speed
Frame	Aluminum dual beam chassis
Front Tire	120/70 ZR 17
Rear Tire	180/55 ZR 17
Seat Height	820 mm
Dry Weight	169 kg
Wet Weight	183 kg
Engine Type	Parallel twin
Fuel System	Electronic fuel injection with 48 mm throttle bodies
Front Suspension	Kayaba 41 mm upside-down fork, adjustable rebound and preload
Rear Suspension	Kayaba monoshock, adjustable rebound and preload
Front Brake	Dual 320 mm discs, Brembo radial calipers
Rear Brake	220 mm disc, Brembo caliper
ABS	Cornering ABS
Fuel Capacity	15 liters
Electronics	Ride-by-wire, multiple riding modes, traction control