Specifications

1
GENERAL INFORMATION
19
USA
RR 400 RR 450 RR 520
Carburator type Keihin FCR-MX 39 Keihin FCR-MX 39 Keihin FCR-MX 39
Main jet 175 175 180
Idling jet 45 45 45
Starter jet 85 85 85
Needle OBDTS OBDVS OBDVS
Needle position (from above) 5° 4° 4°
Main air jet 200 200 200
Idling air jet 100 100 100
Mixture control screw 1 + 1/2 1 + 1/2 1 + 1/2
(from fully closed)
Intake jet 50 40 40
Stop NO NO NO
* - This change makes the vehicle not complying with the Highway Code. Use should be limited to private circuits and
routes closed to traffi c.
Carburetor
Lubrication ............................................................................. 2 oil pumps
Cooling system ......................................... forced liquid circulation by pump
Spark plug .................................................................... NGK LKAR 8A - 9
Clutch ..................................................................................wet, multidisc
Transmission .................................................. 6-speed with front claw clutch
Valve gear .................................................................................. 4 valves
Ignition ................................................................ DC-CDI without trembler,
with digital variable spark advance, Kokusan-type
Starting .............................................................electric starter and kickstart
Version RR 400 RR 450 RR 520
Primary drive 28/76 31/73 31/73
Gear ratio 1
st
gear 12/31 12/31 12/31
Gear ratio 2
nd
gear 15/28 15/28 15/28
Gear ratio 3
rd
gear 19/28 19/28 19/28
Gear ratio 4
th
gear 20/24 20/24 20/24
Gear ratio 5
th
gear 27/27 27/27 27/27
Gear ratio 6
th
gear 28/24 28/24 28/24
Final drive 15/48 15/48 15/48