APRILIA RS 660 User Manual

the brake pedal and it will make it arrive
at the end stop.
•
Close the bleed valve before arriving at
the end of the stroke with the pedal.
•
Repeat the operation until the are no
air bubbles in the fluid going into the
container.
NOTE
WHILE BLEEDING THE HYDRAULIC SYSTEM, FILL THE
RESERVOIR WITH THE NECESSARY QUANTITY OF
BRAKE FLUID. CHECK THAT, DURING THE OPERATION,
THERE IS ALWAYS BRAKE FLUID IN THE RESERVOIR.
•
Screw the bleeding valve and remove
the pipe.
•
Top-up the reservoir until the correct
brake fluid level is obtained.
•
Refit and block the front brake oil res-
ervoir cap.
•
Refit the rubber protection cover.
BLEEDING SYSTEM WITH DIAGNOSTIC INSTRUMENT
If the brake lever still feels "spongy" after completing all checks, it is necessary to bleed the
brakes using this type of procedure.
•
With the diagnostic tool properly connected, select the function "REAR BLEEDING" in the
section "SETTINGS".
•
The pump starts running.
•
While the pump is performing a rotation cycle, operate and release the rear brake pedal until
the message of diagnostic tool cycle completion is received.
•
This procedure allows the air to circulate and accumulate.
•
Once the procedure with diagnostic tool is finished, perform again the REGULAR PURGING
to remove the air from the system completely.
Front brake pump
RS 660 - Tuono 660 Braking system
BRAK SYS - 361

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