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It is based upon the S1000RR superbike with which it shares its engine, gearbox, frame and suspension. [2] The detuned inline-four engine from the S1000RR is optimized for low to mid range performance and delivers a maximum output of 118 kW (158 hp; 160 PS) at 11,000 rpm and maximum torque of 112 N⋅m (83 lbf⋅ft) at 9,250 rpm. [3]
BMW S1000RR is a race oriented sport bike initially made by BMW Motorrad to compete in the 2009 Superbike World Championship, [1] that is now in commercial production. It was introduced in Munich in April 2008, [ 2 ] and is powered by a 999 cc (61.0 cu in) transverse inline four-cylinder engine redlined at 14,200 rpm.
BMW is well known for its history of inline-six (straight-six) engines, a layout it continues to use to this day despite most other manufacturers switching to a V6 layout. . The more common inline-four and V8 layouts are also produced by BMW, and at times the company has produced inline-three, V10 and V12 engines, BMW also engineered non-production customised engines especially for motorsports ...
The new engine produces maximum power output 1,000 RPM lower than the previous engine, producing more torque due in part from a butterfly flap fitted in the exhaust. In 2011, BMW launched the K1600 range—the K1600GT and K1600GTL—featuring a new 1,649 cc (100.6 cu in) straight-six engine, which is mounted transversely across the chassis. [21]
The BMW S1000XR is a sport touring [1] motorcycle produced by BMW Motorrad since 2015. The all-rounder [ 5 ] motorcycle was presented on 4 November 2014 at the EICMA , Milan , Italy. The partially faired motorcycle is technically based on the S1000R naked bike and is marketed by the manufacturer as an "Adventure Sport Bike". [ 6 ]
A stressed member engine is a vehicle engine used as an active structural element of the chassis to transmit forces and torques, rather than being passively contained by the chassis with anti-vibration mounts. Automotive engineers use the method for weight reduction and mass centralization in vehicles. Applications are found in several vehicles ...
Torque forms part of the basic specification of an engine: the power output of an engine is expressed as its torque multiplied by the angular speed of the drive shaft. Internal-combustion engines produce useful torque only over a limited range of rotational speeds (typically from around 1,000–6,000 rpm for a small car).
BMW claims the HP4 Race produces 215 hp (160 kW) at 14,500 rpm, due to the higher rev limit over the normal HP4, which BMW says makes 193 hp (144 kW) at 13,900 rpm. [ 5 ] Most of the HP4 Race's design elements and engine are from the S1000RR, with many components re-tuned for higher performance, and adding greater adjustability, including a ...