Beta RR 480 EFI - Engine Details

1
GENERAL INFORMATION
13
GB
ENGINE
Version RR 350 RR 390 RR 430 RR 480
Type
Single-cylinder, 4-stroke
Bore x stroke [mm]
88x57,4 88x63,4 95x60,8 100x60,8
Displacement [cm³]
349,1 386 431 478
Compression ratio
13,19:1 12,5:1 12,3:1 11,9:1
Fuel system .................................................................... electronic injection
Cooling system ......................................... forced liquid circulation by pump
Spark plug .................................................................... NGK LKAR 8A - 9
Clutch ..................................................................................wet, multidisc
Transmission .................................................. 6-speed with front claw clutch
Version RR 350 RR 390 RR 430 RR 480
Primary drive 28/76 28/76 31/73 31/73
Gear ratio 1
st
gear 12/31 12/31 12/31 12/31
Gear ratio 2
nd
gear 15/28 15/28 15/28 15/28
Gear ratio 3
rd
gear 19/28 19/28 19/28 19/28
Gear ratio 4
th
gear 20/24 20/24 20/24 20/24
Gear ratio 5
th
gear 27/27 27/27 27/27 27/27
Gear ratio 6
th
gear 28/24 28/24 28/24 28/24
Final drive
Homolog. Compet.* Homolog. Compet.* Homolog. Compet.* Homolog. Compet.*
15/45 13/50 15/45 13/49 15/45 13/48 15/45 13/48
Starting .............................................................electric starter and kickstart
* - This change makes the vehicle not complying with the Highway Code. Use should be limited to private circuits and
routes closed to traffic.