4-stroke engines received new maps with respect to the previous Model Year, to improve their delivery along the entire range. Whatever the displacement, Beta engineers optimized their linearity and usability of the propellers, to better manage the power available, at any speed, even on complex terrains.
Racing Components – Entire Range
The tried and tested suspension package and the special components of Beta's race-ready version are confirmed:
Engine
Single cylinder, 4-stroke, liquid-cooled
BORE 88 mm
STROKE 57,4 mm
DISPLACEMENT 349,1 cc
COMPRESSION RATIO 13,19:1
VALVE TRAIN Dohc finger follower / 4 titanium valve
STARTER Electric starter
ACG Kokusan
Spark plug NGK LKAR 8A-9
Lubrication 2 oil pumps
Fuel system Elldor dual electronic injection
Throttle body Ø 42 mm – Synerject
Clutch Wet multi-disc clutch
PRIMARY DRIVE Z.23/76
TRANSMISSION 6 gears
Final transmission Chain
ENGINE OIL SAE 10W/50 0,8 l. + SAE 10W/40 0,8 l.
CONSUMPTION l/100km 3,4
POLLUTION Co2 [g/km] 80
FRAME
Molybdenum steel with double cradle split above the exhaust port
WHEELBASE 1476 mm
MAX LENGHT 2180 mm
MAX WIDTH 830 mm
MAX WIDTH 1275 mm
SEAT HEIGHT 950 mm
GROUND CLEARANCE 335 mm
FOOTREST HEIGHT 427 mm
DRY WEIGHT 107,5 kg (front 52,7 kg; rear 54,8 kg)
FUEL TANK CAPACITY 9,0 l
RESERVE 2,3 l
COOLING SYSTEM CAPACITY 1,4 l
FRONT SUSPENSION Hydraulic usd fork with Ø 48 mm shaft
REAR SUSPENSION Monoshock with progressive compound lever
SHOCK ABSORBER STROKE 130 mm
FRONT WHEEL TRAVEL 300 mm
Rear WHEEL TRAVEL 287 mm
FRONT BRAKE Wave disc Ø260 mm and double-piston floating caliper
Rear brake Wave disc Ø240 mm and single-piston floating caliper
Front rim 21 x 1,6 – 36 holes
Rear rim 18 x 1,85 – 36 holes
Front tyre 90/90 – 21
Rear tyre 140/80 -18