Technische Omschrijving VUN

Engine

  • Bombardier-Rotax / CR&S type 654

General engine/transmission features

  • Capacity 652 cc
  • Bore/Stroke 100 x 83 mm
  • Chain drive with double over headed camshaft (DOHC), 4 valves
  • Electric start
  • Integrated CR&S/Walbro/Dell’Orto ignition/injection system, 52 mm throttle housing, twin injectors, twin spark
  • Stainless steel catalytic exhaust system (CR&S by QD)
  • Liquid-cooled
  • Dry sump lubrication
  • Multiple disc wet clutch
  • Five-speed gearbox

“Standard” Road Version (EURO 3)

  • Max power output 54 Hp (40 KW) at 7.000 rpm
  • Max torque 6 Kgm (58,9 Nm) at 5.000 rpm
  • Compression ratio 9,7:1

“Depowered” Road Version (EURO 3)

  • Max power output 29 Hp (21 Kw) at 6000 rpm
  • Max torque 3,8  Kgm (37 Nm) at 4.000 rpm
  • Compression ratio 9,7:1

“Racing” Version (not certified for road use)

  • Max power output 68 Hp (50 Kw) at 7.500 rpm
  • Max torque 6,65 Kgm (65,2 Nm) at 6.500 rpm
  • Compression ratio 12,5:1

Rolling Chassis

  • Chassis: steel tubes and machined light alloy plates compound
  • Front suspension: tele-hydraulic fork with 46mm diameter rods and 120 mm travel
  • Rear suspension: oscillating swingarm, single shock absorber with 128 mm travel (“cantilever” system)
  • Front brake: floating 320 mm diameter disk, four opposing pistons radial caliper with 4 pads
  • Rear brake: 220 mm disk, floating caliper
  • Final drive with “O” ring chain
  • Wheels:  3,50X17 (front) and 4,50X17 (rear)
  • Tyres: 120/70 ZR x 17” (front), 160/60 ZR x 17” (rear)

Bodywork and controls

  • Hand made light alloy petrol tank – capacity:12.5 l. (reserve: 3 l)
  • Hand made light alloy oil tank – capacity: 3.5 l
  • Fairing / fairing support / air box / plate holder in carbon fibre
  • Tail / front and rear mudguards / radiator ducts in fiberglass
  • Machined light alloy jokes (CR&S by Rizoma)
  • Handlebar, adjustable lever and throttle control in light alloy
  • Dashboard comprising speedo, revs counter, odometer, clock and water, oil pressure, side stand, neutral, indicators, full beam, reserve, excessive revs, battery, servicing lights
  • Adjustable foot pegs and pedal controls in machined light alloy (CR&S by Rizoma)
  • Forged light alloy side stand

Dimensions and Weight

  • Max Length 1980 mm. Max width 740 mm. Wheelbase 1386 mm.
  • Minimum ground clearance 150 mm. Seat height 800 (± 20) mm
  • Dry weight: 135  Kg