Technical specifications
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| Model: |
Speedmaster Roadster |
| Years: |
2011-12 |
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Engine:
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Four stroke, parallel twin, DOHC, 4 valves per cylinder
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Capacity:
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865 cc / 52.8 cu in
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Bore x Stroke:
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90 x 68 mm
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Compression Ratio:
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9.2:1
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Cooling System:
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Air cooled
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Induction:
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Multipoint sequential electronic fuel injection with SAI
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Ignition:
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Digital inductive type
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Starting:
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Electric
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Max Power:
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45.5 kW / 61 hp @ 6800 rpm
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Max Torque:
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74.5 Nm / 7.6 kgf-m / 55 ft.-lb @ 3300 rpm
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Transmission:
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5 Speed
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Final Drive:
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Chain, X-ring
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Clutch:
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Wet, multi-plate
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Frame:
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Tubular steel cradle. Swingarm: twin-sided, tubular steel
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Front Suspension:
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Kayaba 41mm telescopic forks with polished lowers
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Front Wheel Travel:
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120 mm / 4.7 in
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Rear Suspension:
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Kayaba chromed spring twin shocks with adjustable preload
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Rear Wheel Travel:
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96 mm / 3.8 in
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Front Brakes:
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Single 310 mm disc, 2 piston Nissen floating calipers
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Rear Brakes:
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Single 285 mm disc, 2 piston Nissen floating caliper
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Front Wheel:
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2.50 x 19, Cast aluminium alloy, 5-spoke
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Rear Wheel:
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4.00 x 15, Cast aluminium alloy, 5-spoke
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Front Tyre:
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100/90-R19
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Rear Tyre:
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170/80-B15
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Rake:
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33.4o
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Trail:
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168 mm / 6.6 in
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Dimensions:
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Length: 2365 mm / 93.1 in Width: 831 mm / 32.7 in Height: 1168 mm / 46.0 in
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Wheelbase:
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1598 mm / 62.9 in
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Seat Height:
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690 mm / 27.1 in
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Dry Weight:
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250 kg / 550 lbs
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Fuel Capacity:
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19.3 Litres / 5.1 US gal / 4.25 Imp gal
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