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|
ENGINE |
|
Type |
4-stroke, 90-degree L-twin-cylinder |
Bore and Stroke |
94x64 mm |
Total displacement |
888 cc |
Compression ratio |
11:1 |
Timing system |
Double camshaft, 4 valves, desmodromic system |
Lubrication |
Lubrication force-fed with gear pump |
Cooling system |
Water |
Injection |
Weber electronic fuel injection |
Transmission |
Six speed |
Primary drive |
By gear |
Final drive |
By chain |
Clutch |
Clutch multi-plate, dry
|
|
CHASSIS |
|
Frame |
Tubular trestle frame |
Front suspension |
Hydraulic fork |
Rear suspension |
Single shock absorber, progressive-type |
Front brake |
Twin-disc Ø 320 mm |
Rear brake |
Single-disc Ø 240 mm |
Front tyre |
2/60 VR17 |
Rear tyre |
18/67 VR17
|
|
DIMENSIONS |
|
Seat height |
760 mm |
Dry weight |
140 kg |
|
PERFORMANCE |
|
Maximum power |
136 HP at 10,500 rpm |
Top speed |
Over 275 Km/h |
|
SUCCESS HISTORY |
|
03/18/90 |
I race (Jerez, E) 1Roche |
|
I race (Jerez, E) 2Roche |
04/16/90 |
II race (Donington, GB) 2Falappa |
04/30/90 |
III race (Hungaroring, H) 2Roche |
06/03/90 |
V race (Mosport, CDN) 1Roche |
|
V race (Mosport, CDN) 2Roche |
08/26/90 |
VIII race (Sugo, J) 1Roche |
09/09/90 |
IX race (Le Mans, F) 1Roche |
|
IX race (Le Mans, F) 2Roche |
1990 season |
R. Roche wins the World SuperBike Title on the 851 SBK '90 |
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