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Beta RR 390 User Manual

Beta RR 390
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1
INFORMAZIONI GENERALI
23
I
Lubrificazione ....................................................................due pompe olio
Raffreddamento ........... a liquido, circolazione forzata del liquido con pompa
Candela ....................................................................... NGK LKAR 8A - 9
Frizione ........................................................ dischi multipli in bagno d’olio
Cambio .............................................................6 marce ad innesti frontali
Distribuzione .............................................................................. 4 valvole
Accensione ......................................... DC-CDI senza ruttore con variazione
anticipo digitale, tipo Kokusan
Avviamento ............................................................... elettrico e Kick-starter
Versione RR 390 RR 430 RR 480
Trasmissione primaria 28/76 31/73 31/73
Rapporto al cambio 1ª 12/31 12/31 12/31
Rapporto al cambio 2ª 15/28 15/28 15/28
Rapporto al cambio 3ª 19/28 19/28 19/28
Rapporto al cambio 4ª 20/24 20/24 20/24
Rapporto al cambio 5ª 27/27 27/27 27/27
Rapporto al cambio 6ª 28/24 28/24 28/24
Trasmissione secondaria
Omolog. Gara* Omolog. Gara* Omolog. Gara*
15/45 13/49
15/45 13/48 15/45 13/48
* - Tale modifica rende il veicolo non conforme al codice della strada vigente. L’uso deve essere
limitato ai soli circuiti privati e chiusi alla circolazione.

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Beta RR 390 Specifications

General IconGeneral
Displacement386 cc
Bore x Stroke88 mm x 63.4 mm
Compression Ratio12.5:1
Fuel SystemElectronic Fuel Injection
IgnitionDC-CDI
LubricationWet sump
Transmission6-speed
ClutchWet multi-disc
Front Tire90/90-21
Rear Tire140/80-18
Ground Clearance320 mm
Dry Weight107 kg
Engine TypeSingle cylinder, 4-stroke, liquid-cooled
FrameMolybdenum steel with double cradle split above the exhaust port
Rear SuspensionMonoshock

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