Attribute | Beta RR 450 4-Stroke × | Beta Alp 4.0 2007 × |
---|---|---|
General | ||
Production from (year) | 2007 | 2007 |
Make | Beta | Beta |
Model | Beta RR 450 4-Stroke | Beta Alp 4.0 |
Category | Enduro / offroad | Enduro / offroad |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
Fuel system | Carburettor. Keihin FCR-MX 39 | Carburettor. Mikuni BST 33 |
Displacement (cm³) | 448 | 349 |
Cooling system | Liquid | - |
Transmission type,final drive | Chain | Chain |
Bore (mm) | 89 | 79 |
Stroke (mm) | 72 | 71.2 |
Gearbox | 6-speed | 6-speed |
Ignition | DC-CDI without trembler with variable ignition ming, Kokusan type | Electronic |
Clutch | wet multi-disc clutch | Wet multi-disc clutch |
Lubrication system | 2 oil pumps | - |
Compression | 11.0:1 | 9.5:1 |
Chassis | ||
Front suspension | Hydraulic USD fork with ø45 mm shaft | Hydraulic fork with ø46 mm shaft |
Rear suspension | Monoshock with progressive compound lever | Monoshock with adjustable spring preload |
Front brakes | Single disc. Floating disc ø255 mm and double-piston floating caliper | Single disc |
Rear brakes | Single disc. Disc ø240 mm and single-piston floating caliper | Single disc |
Diameter (mm) | 240 | 220 |
Frame type | Molybdenum steel with double cradle split above the exhaust port | steel double cradle frame |
Front tyre | 90/90-21 | 1.85-21 |
Rear tyre | 140/80-18 | 3.00-18 |
Front wheel travel (mm) | 45 | 46 |
Other | ||
Starter | Electric | Electric |
Color options | - |
|
Dimensions | ||
Wheelbase (mm) | 1,500 | 1,410 |
Dry weight (kg) | 117 | 133 |
Overall height (mm) | 1,255 | 1,230 |
Overall length (mm) | 2,270 | 2,185 |
Overall width (mm) | 813 | 860 |
Seat height (mm) | 940 | 865 |
Ground clearance (mm) | 320 | 300 |
Performance | ||
Reserve fuel capacity (l) | 1 | 3 |
Fuel capacity (l) | 8.5 | 10.5 |