Beta RR 390 User Manual

3
CHECKS AND MAINTENANCE
46
GB
•Loosen the counter-nut 2 and remove cap 1.
• Extract the spring 3 and overturn the pipe,
making the oil escape.
• Move the pumping unit and drain the
remaining oil. When the oil has been
drained completely, introduce the amount
of new oil described in chapter 1.
• Bleed the pumping unit of air, making it
rise and fall until complete loading.
Introduce the spring and screw the cap 1
until it is completely inserted on the pump-
ing rod. Block the cap to the pumping
rod via the counter-nut 2.
1
2
3
1
2

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