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|11-11-2015, 10:00 AM||#1|
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BMW G310 R revealed
Production version of BMWs 313cc singlecylinder concept finally debuts
HERE’S BMW’s G310 R, the production version of the single-cylinder roadster we’ve seen in spy shots and as a concept.
The product of a partnership with Indian manufacturer TVS, it's got a 313cc engine with a back-to-front cylinder, the exhaust exiting from the rear, and making a claimed 34hp and 20.6lbft.
That's up on some of the similarly-sized single-cylinder competition, like Honda's CBR300R, at 30hp. But it's about 10hp down on KTM's RC and Duke 390 and Yamaha's parallel-twin YZF-R3, probably the most exciting current offerings in the sub-500cc market.
Honda has also revealed a new twin-cylinder CBR250RR concept, so the question for BMW's long-awaited first assault on the sub-500cc sector could be: is it enough already?
The claimed top speed is 90mph and fuel economy 84.8mpg.
It's got a tubular steel frame, upside-down fork and aluminium swing-arm. It comes with ABS as standard, delivered through a radial-mounted four-piston caliper biting a single front disc.
The seat height is 785mm and BMW says the styling echoes the S1000R. See a full gallery of pictures below.
Price is to be confirmed.
The G310 R was revealed this afternoon in a press release. Here's the tech specs taken from that release:
Engine capacity: 313cc
Output: 34hp @ 9,500rpm
Torque: 20.6lbft @ 7,500rpm
Type: liquid-cooled single-cylinder engine
No. of cylinders: 1
Compression/fuel: 10.6:1 / premium unleaded (95 RON)
Valve/accelerator actuation: DOHC
Valves per cylinder: 4
Throttle valves: 42mm
Engine control: BMS-E2
Emission control: closed-loop 3-way catalytic converter
Clutch: Multi-plate wet clutch
Gearbox: constant-mesh 6-speed
Rear wheel drive O-ring chain
Frame construction type: Tubular steel frame in grid structure with bolt-on rear frame
Front wheel suspension: Telescopic fork, Ø 41mm
Rear wheel suspension: Aluminium swinging arm in conjunction with a directly-mounted spring strut
Total spring travel, front/rear: 140/131mm
Steering head angle: 64.9°
Brakes front: Single-disc brake 300mm
Rear: Single-disc brake 240mm
ABS: BMW Motorrad ABS
Wheels: 5-spoke light alloy die-cast
Front: 3.0 x 17"
Rear: 4.0 x 17"
Tyres front: 110/70 R 17
Tyres rear: 150/60 R 17
Dimensions and weights:
Total length: 1,988mm
Total width with mirrors: 896mm
Seat height: 785mm
DIN unladen weight, road ready: 158.5kg
Permitted total weight: 345kg
Fuel tank capacity: 11 litres
Fuel consumption: 84.8mpg
Top speed: 90mph
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