The heart and soul of a motorcycle is its engine. It determines the feeling and overall character of a motorcycle. Just as important as outright power is the way that power is delivered and the sound emitted from the exhaust, giving the motorcycle it's voice.
The New 2010 Roehr 1250sc is powered by a 180hp, specially developed version of the Harley-Davidson* V-Rod* engine. The engine was designed by Harley Davidson in cooperation with Porsche AG. It is loosely based on the Harley-Davidson VR1000 superbike engine. The design goal was to create a new engine that was modern, powerful and reliable providing HD with an engine for the future.
The result was an 1130cc (now available in 1250cc) liquid cooled, DOHC, eight valve, 60 degree, V-Twin engine with a performance like large bore short stroke architecture. This engine was named the "revolution" engine.
The Revolution engine debuted in the 2002 Harley-Davidson V-rod power cruiser and was widely praised for its excellent power, near perfect power delivery and soul stirring exhaust note.
It is only fitting that the Roehr 1250sc would take this great American power plant back to its roots and unleash it's racing bloodline in a new American superbike.
Roehr Motorcycles has applied its Roehr Supercharging System (RSS) technology to enhance this engine's power output without changing the character of it's power delivery, resulting in a truly thrilling riding experience. The result is the most powerful American production motorcycle engine available.
2010 Roehr 1250sc - Specifications
MSRP: $Call USD
The Bike: The Roehr 1250sc boasts high-spec running gear – Ohlins suspension, Marchesini alloy wheels, Brembo brakes with radial-mount calipers at the front, composite bodywork and is powered by the 1250sc 180HP, specially developed supercharged version of the HarleyDavidson* 1250cc Revolution* engine. State of the art supercharger technology has been applied, providing reliable high power output with a broad, linear power delivery.
Engine:
2 Cylinder, Supercharged, Liquid Cooled, DOHC, Counterbalanced, 60deg, V-twin
Displacement:
1250cc
Bore x Stoke:
105mm x 72mm
Compression ratio:
11.3 / 1
Transmission:
5 speed
Clutch: Wet, multi-plate, hydraulic actuation, slipper type
HP/Torque:
180hp @ 9100 RPM,
115 lb/ft torque @ 7600 RPM
Final drive: 520 O-ring chain
The Chassis: A unique modular CrMo steel and aluminum frame has been developed. This frame uses these two materials at areas in which their material characteristics are best suited. The result is a stiff, light weight structure that provides unparalleled steering response
Chassis Type:
Steel/aluminum composite beam frame, 4130 steel/ 6061 aluminum
Wheelbase:
56 inches (1422mm)
Rake/trail:
23.5deg. / 89mm
Seat height:
31.5 inches
Dry weight:
432 lbs. (196kg)
Front suspension:
Ohlins 43mm fully adjustable upside-down fork with TiN
Rear suspension:
Ohlins fully adjustable linkless monoshock
Front Brakes:
2 x 330mm semi-floating discs, radially mounted Brembo 4 piston calipers.
Rear brake:
245mm single disc, with 2 piston Brembo caliper
Front Wheel/tire:
3.5 x 17 forged aluminum 10 spoke Marchesini, 120/70 ZR17
Rear wheel/tire:
6.0 x 17 forged aluminum 10 spoke Marchesini, 190/55 ZR17
Fuel tank capacity:
3.2 US gallons
Reserve fuel:
.5 US gallons
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