Beta RR 390 User Manual

3
CHECKS AND MAINTENANCE
45
GB
C
A
B
D
FORK OIL
Right/left-hand rod
The procedure for changing the oil in
the forks is provided only for information.
We recommend having the operation
performed by a BETAMOTOR authorized
workshop.
•Rest the motor on a central stand, lift it
making sure that it is stable.
•Remove the cable gland U-bolt A
•Remove the screws B that fix the brake
caliper to the left leg and remove the
brake caliper.
• Remove cap C, loosen the screws D,
slide the wheel pin out and remove the
front wheel.
• Loosen the screws E and F that block the
legs of the of the fork to the plate and
slide the fork legs out.
• Place the legs vertically with cap 1 facing
upwards. Loosen the upper cap 1.
1
E
F

Beta RR 390 Specifications

General

Displacement	386 cc
Bore x Stroke	88 mm x 63.4 mm
Compression Ratio	12.5:1
Fuel System	Electronic Fuel Injection
Ignition	DC-CDI
Lubrication	Wet sump
Transmission	6-speed
Clutch	Wet multi-disc
Front Tire	90/90-21
Rear Tire	140/80-18
Ground Clearance	320 mm
Dry Weight	107 kg
Engine Type	Single cylinder, 4-stroke, liquid-cooled
Frame	Molybdenum steel with double cradle split above the exhaust port
Rear Suspension	Monoshock