Wednesday, September 2, 2009

BMW F 650 GS motorcycle

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BMW Motorcycle, general information, review and specifications

BMW F 650 GS (2008)

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BMW F 650 GS Review and Specifications.

BMW’s successor to long-lived and popular entry-level F650 single is, confusingly, being based on the F800GS, neither a single (it’s a parallel twin) or a 650 (it’s 798cc) – so perhaps not surprisingly it’s miles better than the old one. Just as importantly, though, with a lowered seat, softened delivery and more, it’s every bit as novice or shortie-friendly and still good value, too.

BMW F650GS’s F800 series-derived twin is a sweetie. Softer cams trade off peak power for a more gentle and progressive power delivery (and a learner-friendly 34bhp version is also available at no extra cost). The result is peak power is down from 85bhp to a still more-than-useful 71bhp and with a healthy wodge of more low-down grunt. It’s both flexible and novice-friendly, yet with top end to be truly versatile.

Ride and Handling
With more basic, shorter-travel suspension than its F800GS brother and a smaller front wheel the F650GS has both a low, novice-friendly seat height (and an even lower 765mm low seat kit is available as an extra) plus more predictable and secure road-orientated handling. From the saddle, the biggest surprise was how reminiscent of the old F650 the new F650GS is. The view, posture, ergonomics and sheer simplicity it is to ride all remind very much of the old single, as does the idiot-proof flatness of the power delivery.

To keep the F650GS’s price (and weight) down it has a more basic spec than its F800GS big brother. So there are alloys in place of wires, steel not alloy handlebars, no bash plate and less bodywork including a lower screen, not to mention the less sophisticated suspension. That said, it’s go everything it needs, its typical BMW quality, bang up to date and a vast range of extras is available.

Quality and Reliability
Although BMW quality in recent years has occasionally come under fire, it’s generally still far better than most and there have so far been no specific problems reported with the F650GS either.

Although undeniably less flashy than the F800GS, the F650GS is also £1200 cheaper, is arguably the better road bike and, as such, represents excellent value for money.

General information

Model: BMW F 650 GS
Year: 2008
Category: Enduro / offroad
Rating: 72.5 out of 100.

Engine and transmission
Displacement: 798.00 ccm (48.69 cubic inches)
Engine type: Twin
Stroke: 4
Power: 69.73 HP (50.9 kW)) @ 7000 RPM
Torque: 75.00 Nm (7.6 kgf-m or 55.3 ft.lbs) @ 4500 RPM
Compression: 12.0:1
Bore x stroke: 82.0 x 75.6 mm (3.2 x 3.0 inches)
Fuel system: Injection
Valves per cylinder: 4
Fuel control: DOHC
Starter: Electric
Cooling system: Liquid
Gearbox: 6-speed
Transmission type
final drive: Chain
Clutch: Multiple-disc clutch in oil bath, mechanically operated

Physical measures
Dry weight: 179.0 kg (394.6 pounds)
Weight incl. oil, gas, etc: 199.0 kg (438.7 pounds)
Seat height: 820 mm (32.3 inches) If adjustable, lowest setting.
Overall height: 1,915 mm (75.4 inches)
Overall length: 2,280 mm (89.8 inches)
Overall width: 872 mm (34.3 inches)
Wheelbase: 1,575 mm (62.0 inches)

Chassis and dimensions
Frame type: Tubular steel space frame, load-bearing engine
Rake (fork angle): 26.0°
Trail: 92 mm (3.6 inches)
Front suspension: Telescopic fork, Ø 41 mm
Front suspension travel: 180 mm (7.1 inches)
Rear suspension: Cast aluminium dual swing arm, central spring strut, spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable
Rear suspension travel: 170 mm (6.7 inches)
Front tyre dimensions: 110/80-19
Rear tyre dimensions: 140/80-17
Front brakes: Single disc. Optional ABS
Front brakes diameter: 300 mm (11.8 inches)
Rear brakes: Single disc. Optional ABS
Rear brakes diameter: 265 mm (10.4 inches)

Speed and acceleration
Top speed: 185.0 km/h (115.0 mph)
Power/weight ratio: 0.3896 HP/kg

Other specifications
Fuel capacity: 16.00 litres (4.23 gallons)
Reserve fuel capacity: 2.00 litres (0.53 gallons)
Fuel consumption pr. 10 km (6.2 miles): 3.70 litres (0.98 gallons)

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