APRILIA RS 660 User Manual

Removing the countershaft
To proceed with the removal of the counter-shaft
it is necessary to remove the upper crankcase,
then remove it from its seat.
Refitting the crankcase halves
To proceed with the coupling of the crankcases
after having inserted all gearbox components, the
crankshaft complete with connecting rods/pistons,
proceed as described:
•
Generously lubricate the counter-shaft
bushings.
•
Insert the counter-shaft (1) on the
crankcase checking the correct posi-
tion determined by the references visi-
ble on the gears.
•
Generously lubricate the crankshaft
and counter-shaft at the rotation points
of the bushings.
RS 660 - Tuono 660 Engine
ENG - 225

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