Off Road - 450 EXC Racing
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The World Champion’s choice. High performance and powerful torque all packed into the best Enduro machine in the world. Always right in front, whether on the track or in the magazines.
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| Chassis |
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| Frame |
central double-cradle-type 25 CrMo4 |
| Subframe |
aluminum 7020 |
| Handlebar |
Magura Ø 28/22 mm (1.10/0.87") |
| Front suspension |
WP-USD Ø 48 mm (1.89") |
| Rear suspension |
WP-PDS-shock absorber |
| Suspension travel front/rear |
300 / 335 mm (11.81/13.19") |
| Front / Rear brakes |
disc brakes 260 / 220 mm (10.24/8.66") |
| Front / rear rims |
1.60 x 21"; 2.15 x 18" |
| Front / rear tires |
90/90-21"; 140/80-18" |
| Chain |
X-ring chain 5/8 x 1/4" |
| Main silencer |
aluminum |
| Steering head angle |
63.5° |
| Wheelbase |
1481±10 mm (58.31±0.39") |
| Ground clearance (unloaded) |
380 mm (14.96") |
| Seat height |
925 mm (36.42") |
| Fuel capacity |
approx. 8 litres (2.11 gal) |
| Weight (ready to race, no fuel) |
approx. 113.5 kg (250.3 lbs) |
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| Engine |
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| Engine Type |
single cylinder, 4-stroke |
| Displacement |
447.92 cc |
| Bore / stroke |
89 / 72 mm (3.5 / 2.83") |
| Compression ratio |
11 : 1 |
| Starter |
kick-starter and E-starter / 4 Ah |
| Transmission |
6 gears |
| Carburetor |
Keihin MX FCR 39 |
| Power Valve Control |
4 V / OHC with roller rocker lever |
| Lubrication |
pressure lubrication with 2 Eaton pumps |
| Transmission lubrication |
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| Engine oil |
1.2 l Motorex Power Synt 4T 10W /50 |
| Primary ratio |
33 : 76 |
| Final drive |
15 : 45 (14 : 50) |
| Cooling |
liquid cooled |
| Clutch |
wet multi-disc clutch, operated hydraulically |
| Ignition |
Kokusan digital 4K-3B |
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