Beta RR 50 CC series - Page 23

1
GENERAL INFORMATION
23
GB
ENGINE RR 50
type ...................................................................... single-cylinder, two-stroke
bore x stroke ......................................................................... 40,3x39 mm
displacement (cm
3
) ...................................................................... 49,7 cm
3
compression ratio .............................................................................. 12:1
liquid cooled
ignition .............................................................. electronic MORIC - 120W
kick-starter
spark plug ............................................................................ NGK BR9 ES
clutch .................................................................................. wet, multidisc
gearchange ................................................................................ 6 speed
primary drive ............................................................................. Z 20/71
final drive (MOTARD) .................................................................. Z 11/50
final drive (ENDURO) .................................................................. Z 11/51
FUEL SYSTEM RR 50
carburetor .............................................................DELL’ORTO PHBN 16 HS
running on a mixture of unleaded petrol and oil:
- synthetic oil ................................................................................... 1,5%
- mineral oil ....................................................................................... 3%
IMPORTANT:
Since the Factory version is not equipped with an oil mixer, pour a mixture of petrol
and oil directly into the fuel tank taking care to observe the percentages mentioned
above. See refuelling section on page 29.