VOLUME 57 ISSUE 32 AUGUST 11, 2020 P107
S P E C I F I C A T I O N S
2020 BETA 390 RR-S ($10,699)
ENGINE TYPE: ....Liquid-cooled (w/fan), 4-stroke,
4-valve (steel intake and exhaust), single
BORE/STROKE: ............................88 x 63.4mm
DISPLACEMENT: ...................................... 386cc
COMPRESSION RATIO: ..............................12.5:1
IGNITION: .... DC-CDI with dual map selection,
Kokusan, 200-watt output at 6000 RPM
SPARK PLUG: ..........................NGK LKAR 8A-9
LUBRICATION: ..... Twin oil pumps w/cartridge
oil filter, separate oil for engine and clutch
FUEL SYSTEM: .............. 42mm Electronic Fuel
Injection (twin injectors)
CLUTCH: ......................................Wet multi-disc
TRANSMISSION: ....................................6-speed
FINAL GEARING: ...15/48T (w/optional 13T front)
Final Drive: .....................................O-ring chain
STARTING SYSTEM: ...........Electric w/optional
backup kickstarter
FRAME: ..... Molybdenum steel, double-cradle,
w/quick air filter access.
FRONT SUSPENSION: ......... 48mm Sachs USD
fork, fully adjustable
REAR SUSPENSION: ........Single Sachs shock,
fully adjustable, linkage
FRONT-WHEEL TRAVEL: ...........................11.6 in.
REAR-WHEEL TRAVEL: .............................11.4 in.
FRONT-WHEEL: ........................................... 21 in.
REAR-WHEEL: ............................................. 18 in.
TIRES: ..........Michelin Enduro (DOT-approved)
FRONT BRAKE: ........Disc, single 260mm rotor
REAR BRAKE: .......... Disc, single 240mm rotor
WHEELBASE: ...........................................58.7 in.
SEAT HEIGHT: ............................................37 in.
GROUND CLEARANCE: ............................ 12.6 in.
FOOTREST HEIGHT: ................................ 16.3 in.
WEIGHT (WET, ACTUAL): ...................... 264 lbs.
FUEL CAPACITY: .....................................2.4 gal.
METER: ............... Trail Tech Voyager GPS unit
