The Beta RR 450 Enduro motorcycle was produced from 2009 to 2010. It has a four-stroke, single-cylinder, DOHC, 4-valve engine with a capacity of 448cc. The bore and stroke ratio is 95 x 63.4mm and the compression ratio is 11.95:1. The cooling system is liquid-cooled and forced with 2 oil pumps. The bike uses Keihin FCR-MX 39 induction and DC-CDI without trembler with variable ignition timing, Kokusan type ignition. The clutch is wet and multi-plate, with a 6-speed transmission and final drive chain. 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, while the rear suspension is a monoshock with a progressive compound lever. Both the front and rear wheels have disc brakes. The motorcycle has a length of 2180mm, a width of 807mm, and a height of 1270mm. The wheelbase is 1490mm, the seat height is 940mm, and the ground clearance is 320mm. The dry weight of the bike is 117kg, and it has a fuel capacity of 8.5L, with a fuel reserve of 1L.
Technical specifications:
Make Model: Beta RR 450 Enduro
| Year | 2009 – 10 |
|---|---|
| Engine | Four stroke, single cylinder, DOHC, 4 valves |
| Capacity | 448 cc / 27.3 cu in |
| Bore x Stroke | 95 x 63.4 mm |
| Compression Ratio | 11.95:1 |
| Cooling System | Liquid cooled |
| Lubrication System | Forced, 2 oil pumps |
| Engine Oil | 15W-50 |
| Oil Capacity | 0.8 L / 0.2 US gal |
| Induction | Keihin FCR-MX 39 |
| Ignition | DC-CDI without trembler with variable ignition timing, Kokusan type |
| Spark Plug | NGK LKAR 8A-9 |
| Starting | Electric and kick |
| Clutch | Wet, multi-plate |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Gear Ratios | 1st 12:31 / 2nd 15:28 / 3rd 19:28 / 4th 20:24 / 5th 27:27 / 6th 28:24 |
| Primary Drive | 33/76 |
| 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 | 290 mm / 11.2 in |
| Front Brakes | Single 260 mm floating disc, 2 piston floating caliper |
| Rear Brakes | Single 240 mm disc, 1 piston floating caliper |
| Front Wheel | 1.60 x 21 |
| Front Tyre | 90/90 – 21 |
| Rear Wheel | 2.15 x 18 |
| Rear Tyre | 140/80 – 18 |
| Dimensions | Length: 2180 mm / 50.4 in Width: 807 mm / 31.8 in Height: 1270 mm / 50.0 in |
| Wheelbase | 1490 mm / 58.7 in |
| Seat Height | 940 mm / 37 in |
| Ground Clearance | 320 mm / 12.6 in |
| Footrest Height | 413 mm / 16.3 in |
| Dry Weight | 117 kg / 258 lbs |
| Fuel Capacity | 8.5 L / 2.2 US gal |
| Fuel Reserve | 1 L / 0.3 US gal |
