APRILIA RS 660 User Manual

•
Observing the indicated sequence, ex-
tract and remove the slider bushing
(14), the guide bushing (15), the ring
(16), the oil seal (17), the seeger ring
(13) and the dust guard (12).
•
Loosen the screw on the foot of the fork and using the special Kajaba tool, unscrew the
plunger without removing it.
•
DO NOT REMOVE THE PLUNGER STOP SCREW.
•
Keeping the plunger fixing screw
pressed in order to maintain the oil
seal, release the stanchion from the
vice and stand over the container
where the oil was previously collected.
•
At this point, completely unscrew the
plunger (18) and remove it, allowing
the screw with its copper washer to fall
inside the container and allowing the
residual oil left inside the stanchion to
drain completely.
Checking the components
stanchion
Check that the sliding surface is not scratched or scored.
Any scoring can be removed by sanding with damp sandpaper (grain 1).
If the scratches are deep, replace the stanchion .
Using a dial gauge, check than any bending of the stanchion is below the limit value.
If it is over the limit, replace the stanchion .
RS 660 - Tuono 660 Suspensions
SUSP - 247

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