Off Road - 300 EXC
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Workhorse and torque wonder. That’s the best way to describe the powerful 300 EXC. The trusty 300 EXC is still gliding up the mountain long after the others have overheated.
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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 |
1475±10 mm (58.07±0.39") |
| Ground clearance (unloaded) |
385 mm (15.16") |
| Seat height |
925 mm (36.42") |
| Fuel capacity |
approx. 8.5 litres (2.25 gal) |
| Weight (ready to race, no fuel) |
approx. 102.8 kg (224.5 lbs) |
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| Engine |
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| Engine Type |
single cylinder, 2-stroke |
| Displacement |
293 cc |
| Bore / stroke |
72 / 72 mm (2.83 / 2.83") |
| Compression ratio |
- |
| Starter |
kick-starter |
| Transmission |
5 gears |
| Carburetor |
Keihin PWK 36 S AG |
| Power Valve Control |
TVC power valve |
| Lubrication |
mixture oil lubrication 1:60 |
| Transmission lubrication |
0.7 l Motorex Top Speed 15W / 50 |
| Engine oil |
- |
| Primary ratio |
26 : 72 |
| Final drive |
13 : 40 (13 : 50) |
| Cooling |
liquid cooled |
| Clutch |
wet multi-disc clutch, operated hydraulically |
| Ignition |
Kokusan digital 2K-3 |
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