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1
GENERAL INFORMA
TION
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.