The BMW G 450X is a 2011 motorcycle that features a four-stroke, single-cylinder engine with a capacity of 449cc and a compression ratio of 12.0:1. It has a liquid cooling system and uses electronic fuel injection, with an alternator that generates 280W and a 12V battery that is maintenance-free. The bike has a multiple plate clutch in an oil bath and can produce a maximum power of 30.7 kW or 41 hp at 7000 rpm, with the competition version offering greater power of 38 kW or 52 hp at 9000 rpm. The transmission is five-speed, and the final drive is by chain. The ride is supported by a stainless steel precision tube frame, with 45mm upside-down forks at the front and direct mounted ~Ahlins shock at the rear. The front and rear brakes are single disc and the wheels are wire spoke, with the front tyre measuring 90/90-21 and the rear tyre measuring 140/80-18. The bike weighs 110kg or 243lbs when dry and 120kg or 265lbs when wet. It has a fuel capacity of 8 litres or 2.1 US gal and can go up to 0.75 litres or 0.2 US gal in reserve. The bike has received positive reviews from sources such as Motorcycle USA and Motorcyclist.
Technical specifications:
Make Model: BMW G 450X
| Year | 2011 |
|---|---|
| Engine | Four stroke, single cylinder, DOHC, 4 valve |
| Capacity | 449 cc / 27.4 cub. in. |
| Bore x Stroke | 98 x 59 mm |
| Compression Ratio | 12.0:1 |
| Cooling | Liquid |
| Induction | Electronic fuel injection |
| Alternator | Three-phase alternator 280 W |
| Battery | 12 V / 7 Ah, maintenance free |
| Starting | Electric |
| Clutch | Multiple plate in oil bath |
| Max Power | 30.7 kW / 41 hp @ 7000 rpm (competition version 38 kW / 52 hp @ 9000 rpm) |
| Max Torque | 43 Nm / 4.4 kgf-m / 32 lb-ft @ 6500 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Gear Ratio | 1st 2.46 / 2nd 1.71 / 3rd 1.35 / 4th 1.04 / 5th 0.88:1 |
| Frame | Stainless Steel Precision Tube |
| Front Suspension | 45mm Upside-down forks. |
| Front Wheel Travel | 300 mm / 11.8 in |
| Rear Suspension | Direct Mounted ~Ahlins Shock |
| Rear Wheel Travel | 320 mm / 12.6 in |
| Front Brakes | Single 260mm disc, 2 piston floating caliper |
| Rear Brakes | Single 220mm disc, 1 piston floating caliper |
| Wheels | Wire spoke wheels |
| Rim Front | 1.60 x 21 |
| Rim Rear | 2.15 x 18 |
| Front Tyre | 90/90-21 |
| Rear Tyre | 140/80-18 |
| Wheelbase | 1475 mm / 58.1 in. |
| Castor | 118.8 mm / 4.7 in. |
| Steering Head Angle | 61.8 degrees |
| Dimensions | Length: 2200 mm / 86.6 in. Width: 806 mm / 31.7 in. (inc. mirrors) Height: 1475 mm / 57.1 in. (not inc. mirrors) |
| Seat Height | 911 mm / 35.9 in |
| Dry Weight | 110 kg / 243 lbs. |
| Wet Weight | 120 kg / 265 lbs. |
| Fuel Capacity | 8 Litres / 2.1 US gal. |
| Reserve | approx. 0.75 Litres / 0.2 US gal. |
| Reviews | Motorcycle USA / Motorcyclist |
