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Beta RR 390 User Manual

Beta RR 390
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1
GÉNÉRALITÉS
23
F
Graissage ...................................................................... 2 pompes à huile
Refroidissement ................à liquide, circulation forcée du liquide avec pompe
Bougie .......................................................................... NGK LKAR 8A - 9
Embrayage ............................................... disques multiples en bain d’huile
Boîte de vitesses
Distribution ................................................................................. 4 vannes
Mise en marche ..................................... DC-CDI sans rupteur avec variation
anticipation numérique, type Kokusan
Démarrage ............................................................. électrique et Kick-starter
Version RR 390 RR 430 RR 480
Transmission primaire 28/76 31/73 31/73
Rapports de boite 1 ère 12/31 12/31 12/31
Rapports de boite 2 me 15/28 15/28 15/28
Rapports de boite 3 me 19/28 19/28 19/28
Rapports de boite 4 me 20/24 20/24 20/24
Rapports de boite 5 me 27/27 27/27 27/27
Rapports de boite 6 me 28/24 28/24 28/24
Transmission secondaire
Homolog. Course* Homolog. Course* Homolog. Course*
15/45 13/49
15/45 13/48 15/45 13/48
* - Cette modification rend le véhicule non conforme aux dispositions du Code de la route. L’utili-
sation doit être limitée aux circuits privés et fermés à la circulation.

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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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