Engine Type

single cylinder, 4-stroke

Displacement

449.39 cc

Bore / stroke

95 / 63.4 mm (2.61 / 2.83")

Compression ratio

12 : 1

Starter

kick starter

Transmission

4 gears

Carburetor

Keihin MX FCR 41

Control

4 V / OHC with roller rocker lever

Lubrication

pressure lubrication with 2 Eaton pumps

Engine oil

1,2l Motorex Power Synt 4T 10W-50

Primary ratio

33 : 76

Final drive

14 : 52

Cooling

liquid cooled

Clutch

wet multi-disc clutch, operated hydraulically

Ignition

Kokusan digital 4K-3A