Beta RR 390 User Manual

1
GENERAL INFORMATION
21
GB
FRONT SUSPENSION
“SACHS” hydraulic upside-down fork (Ø48 mm shafts)
spring .............................................................................................K 4,8
oil type ...........................................................................SHELL TELLUS 32
oil quantity (from the top, without spring and with fork compressed) ...110 mm
REAR SUSPENSION
Single shock absorber with compound lever
spring .............................................................................................K 5,4
precharge (spring in its seat) .........................................................260 mm
shock absorber travel ...................................................................135 mm
rear wheel travel ..........................................................................290 mm
FRONT BRAKE
Ø 260 mm disc and dual-piston floating caliper
REAR BRAKE
Ø240 mm disc and single-piston floating caliper

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