Key performance

63 ch
Power
🔧
449 cc
Displacement
💺
950 mm
Seat height
7.0 L
Fuel capacity
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Technical specifications

Changements 2010 2021
Power
53.0 ch @ 8300 tr/min (38.7 kW) 63.0 ch (46.0 kW)
Compression ratio
12.5:1
Bore × stroke
97.0 x 60.8 mm (3.8 x 2.4 inches) 95.0 x 63.4 mm (3.7 x 2.5 inches)
Valves/cylinder
4
Fuel system
Carburettor. Keihin FCR MX 41 Injection
Valve timing
Double Overhead Cams/Twin Cam (DOHC) Single Overhead Cams (SOHC)
Lubrication
Pressure lubrication with 3 oil pumps
Ignition
Kokusan Keihin EMS
Frame
Central double-cradle-type 25CrMo4 25CrMo4 steel central-tube
Gearbox
5-speed 4-speed
Clutch
Wet mDouble disk clutch, operated hydraulically Wet, DDS multi-disc clutch, Brembo hydraulics
Front suspension
WP-USD fork WP XACT-USD, Ø 48 mm
Rear suspension
WP PDS shock absorber WP XACT Monoshock with linkage
Front wheel travel
300 mm (11.8 inches) 310 mm (12.2 inches)
Rear wheel travel
335 mm (13.2 inches) 300 mm (11.8 inches)
Front brakes
Single disc Single disc. Brake calipers on floating bearings
Rear brakes
Single disc Single disc. Brake calipers on floating bearings
Front tyre
80/100-21
Rear tyre
110/90-19
Seat height
985.00 mm 950.00 mm
Wheelbase
1475.00 mm 1485.00 mm
Ground clearance
380.00 mm 370.00 mm
Fuel capacity
8.00 L 7.00 L
Dry weight
104.60 kg 100.00 kg

Engine

Displacement
449 cc
Power
63.0 ch (46.0 kW)
Engine type
Single cylinder, four-stroke
Cooling
Liquid
Bore × stroke
95.0 x 63.4 mm (3.7 x 2.5 inches)
Fuel system
Injection
Valve timing
Single Overhead Cams (SOHC)
Ignition
Keihin EMS
Starter
Electric

Chassis

Frame
25CrMo4 steel central-tube
Gearbox
4-speed
Final drive
Chain   (final drive)
Clutch
Wet, DDS multi-disc clutch, Brembo hydraulics
Front suspension
WP XACT-USD, Ø 48 mm
Rear suspension
WP XACT Monoshock with linkage
Front wheel travel
310 mm (12.2 inches)
Rear wheel travel
300 mm (11.8 inches)

Brakes

Front brakes
Single disc. Brake calipers on floating bearings
Rear brakes
Single disc. Brake calipers on floating bearings

Dimensions

Seat height
950.00 mm
Wheelbase
1485.00 mm
Ground clearance
370.00 mm
Fuel capacity
7.00 L
Dry weight
100.00 kg

Indicators & positioning

🔧
Volumetric power
140.2 ch/L
In category Cross / motocross · 225-899cc displacement (384 motorcycles compared)
Power 63 ch Top 3%
17 ch median 47 ch 63 ch

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