Off Road - 525 EXC Racing
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The big bike for real men or real women. An abundance of power is your guarantee of a respectable distance from the opposition.
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| Chassis |
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| Frame |
central double-cradle-type 25 CrMo4 |
| Subframe |
aluminum 7020 |
| Handlebar |
Magura aluminium 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. 113.8 kg (249.4 lbs) |
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| Engine |
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| Engine Type |
single cylinder, 4-stroke |
| Displacement |
510.4 cc |
| Bore / stroke |
95 / 72 mm (3.74 / 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 |
- |
| 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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