The Beta RR 450 Enduro motorcycle was produced in the years 2005 and 2006. It has a four-stroke, single-cylinder engine with 448cc capacity and a compression ratio of 11.0:1. The cooling system is liquid-cooled and lubrication is forced with two oil pumps. The ignition is DC-CDI without a trembler and has variable ignition timing of the Kokusan type. Starting is by kick and it has a six-speed transmission with a final chain drive. The frame is made of molybdenum steel and has a double cradle split above the exhaust port. The front suspension is a hydraulic USD fork of 45mm and has a front wheel travel of 290mm, while the rear suspension is a monoshock with progressive compound lever and has a rear wheel travel of 300mm. The front brakes have a single 255mm disc with a 2 piston caliper, and the rear brakes have a single 240mm disc with a 1 piston caliper. The front wheel size is 1.60 x 21 with a 90/90-21 front tire size, while the rear wheel size is 2.15 x 18 with a 140/80-18 rear tire size. The seat height is 940mm and has a ground clearance of 320mm. It has a dry weight of 117kg and a fuel capacity of 8.5L.
Technical specifications:
Make Model: Beta RR 450 Enduro
| Year | 2005 – 06 |
|---|---|
| Engine | Four stroke, single cylinder, DOHC, 4 valves |
| Capacity | 448 cc / 27.3 cu in |
| Bore x Stroke | 89 x 72 mm |
| Compression Ratio | 11.0:1 |
| Cooling System | Liquid cooled |
| Lubrication System | Forced, 2 oil pumps |
| Induction | Keihin FCR-MX 39 |
| Ignition | DC-CDI without trembler with variable ignition timing, Kokusan type |
| Starting | Kick |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Frame | Molybdenum steel with double cradle split above the exhaust port |
| Front Suspension | Hydraulic USD fork, 45mm |
| Front Wheel Travel | 290 mm / 11.2 in |
| Rear Suspension | Monoshock with progressive compound lever |
| Rear Wheel Travel | 300 mm / 11.8 in |
| Front Brakes | Single 255mm disc, 2 piston caliper |
| Rear Brakes | Single 240 mm disc, 1 piston caliper |
| Front Wheel | 1.60 x 21 |
| Front Tyre | 90/90 – 21 |
| Rear Wheel | 2.15 x 18 |
| Rear Tyre | 140/80 – 18 |
| Seat Height | 940 mm / 37 in |
| Ground Clearance | 320 mm / 12.6 in |
| Dry Weight | 117 kg / 258 lbs |
| Fuel Capacity | 8.5 L / 2.2 US gal |
