MXV 4.5

Technické údaje

Engine: 77° V twin four stroke. Liquid cooled. Single overhead cam with rocker operated exhaust valves, chain timing drive, 4 valve heads, titanium valves.

Fuel: Lead-free petrol.

Bore x Stroke: 76 x 49.5 mm

Total displacement: 449 cm3

Compression ratio: 13 :1

Fuel system: Integrated engine management system controlling ignition and fuel injection. Throttle body: 38 mm. Hard and soft mappings selectable from the handlebars.

Ignition: Electronic digital (batteryless).

Starting: Kick-start.

Exhaust: Conforming to FIM standards for 2009.

Generator: 220 W

Lubrification: Dry sump. Separate gearbox lubrication.

Gear box: 4 speed. Motocross gear ratios: 1st 14/29 2nd 15/26 3rd 17/25 4th 19/24

Clutch: Multi-plate in oil bath, cable operated.

Primary drive: Spur gears. Transmission ratio: 23/65.

Final drive: Chain. Transmission ratio: 14/49.

Frame: Cr-Mo steel perimeter frame with aluminium alloy vertical members. Headstock rake angle 26.2°. Lightweight rear frame section.

Front suspension: 50 mm Marzocchi upside down fork with adjustments for compression and rebound.

Rear suspension: Pro-Link with Sachs monoshock, adjustable in compression and rebound.

Brakes: Front: 270 mm lightweight stainless steel floating disc with Nissin floating caliper. Rear: 240 mm lightweight stainless steel disc with Nissin floating caliper.

Wheels: Black anodised aluminium alloy. Front: 1.60 x 21”. Rear: 2.15 x 19".

Tyres: Front: Dunlop 80/100-21 51M. Rear: Dunlop 110/90-19 62M.

Dimensions: Overall length: 2,190 mm Overall width: 815 mm Ground clearance: 1,285 mm Seat height: 960 mm Wheelbase: 1,499 mm

Fuel tank capacity: Capacity 7.4 litres.