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Ktm 1190 Rc8

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Title: Ktm 1190 Rc8  
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Subject: V-twin engine, KTM, British Superbike Championship
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Ktm 1190 Rc8

The KTM 1190 RC8 is a sport bike manufactured by KTM.[1] The first generation 2008 model had a 1,148 cc (70.1 cu in) V-twin engine and was the Austrian manufacturer's first-ever Superbike design. The RC8 model was supplemented with RC8 R models one year later in 2009 and the RC8 designation had its last year of production in 2010. Current models from 2009 through 2013 use a 1,195 cc (72.9 cu in) V-twin engine with a "Twin-Spark"[2] design debuting on the 2011 model.


The first concept of the bike appeared in 2005, powered by the Super Duke 999 cc (61.0 cu in) v-twin. The displacement was increased to 1,148 cc (70.1 cu in) for the production version. The bike features a steel trellis frame with a cast aluminium seat subframe. The suspension uses high-end inverted forks and an alloy, double-sided swingarm manufactured by WP, a KTM subsidiary. The bike comes in three colors, the traditional KTM orange and a white and black version.



The RC8 R was delivered to the United States in 2010 as a 2011 model with more track-oriented features than the standard RC8. Engine displacement increased to 1,195 cc (72.9 cu in) with a higher compression ratio of 13.5:1. In addition, titanium intake valves and a low-friction DLC treatment on its camshafts’ finger followers help the engine produce 170 hp at 10,250RPM and 90.7 ft-lbs of torque at 8,000RPM. The RC8 R's WP suspension includes a 43mm inverted fork at the front end, with a titanium-aluminum-nitride coating on its sliders. A high-end shock supports the bike’s rear, and its piston rod is also finished with the titanium-aluminum-nitride low-stiction coating. The fork has three modes of adjustment (compression damping, rebound damping and spring preload), while the shock separates the compression damping into high and low speed circuits and has ride-height adjustability. An adjustable steering damper completes the suspension. The RC8 R offers many adjustments not found on other superbikes. In addition to the suspension, the rider can adjust many other parts on the bike including the front brake lever, the rear brake pedal, the clutch lever, the handlebars, the shifter, the footpegs, and the seat/subframe height. Essentially, the adjustable options allow the RC8 R to accommodate riders of various sizes.[3]


This model year revealed significant internal improvements based on rider reviews and in-house testing. The KTM engineers included a heavier crankshaft and flywheel aimed at reducing the buzzy nature of the previous RC8R and to emphasize low-end torque. Throttle butterflies were remapped to reduce the amount of opening under small throttle inputs for much smoother transitions and to address the "snatchy throttle" complaints prevalent in the earlier models. The new "Twin Spark" cylinder head uses two spark plugs in each cylinder, below 7000 rpm only one of the two fire, while above 7K both are used for optimum burning and reduced detonation which also allows for a re-tuned ECU that has revamped cam timing and the 52mm throttle bodies. Also new with this model are cast aluminum Marchesini wheels and strategic front and rear suspension updates.[4]


At the launch of the RC8 superbike KTM announced it will race in the RC8 in the FIM Superstock championship in 2008. KTM's two-year plan is to get the bike regularly on the podium in superstock before moving up to the Superbike World Championship. For 2009 the KTM RC8 Super Cup has been running as a one make support class at selected rounds of the British Superbike Championship, and in 2010 Redline KTM are competing in the newly formed BSB Evo class with rider James Edmeades.[5]

For 2012, Chris Filmore (USA) riding for the KTM Factory Racing team earned his career best finish at the final round of the AMA Pro SuperBike Series held at NOLA Motorsports Park on October 6 finishing 4th that day, 5th place the next,[6] ending the season 11th overall[7] and is signed with the team for 2013.[8]


All specifications are manufacturer claimed.

2008[9] 2009/2010[10] 2011/2012[11] 2013
Engine Type 1,150 cc (70 cu in) liquid-cooled 75° V-Twin 1,195 cc (72.9 cu in) liquid-cooled 75° V-Twin
Bore/Stroke 103.0 mm × 69.0 mm (4.06 in × 2.72 in) 105.0 mm × 69.0 mm (4.13 in × 2.72 in)
Compression Ratio 12.5:1 13.5:1
Valve Train DOHC, 4 valves per cylinder, chain-driven
Fuel Delivery Electronically controlled fuel injection Electronically controlled fuel injection / Twin Spark[2]
Ignition Contactless controlled fully electronic ignition with digital ignition adjustment
Transmission Multi-disc clutch in oilbath / hydraulically operated Hydraulic Multi-disc with Slipper Action
Final Drive sealed chain
Front Suspension 43 mm inverted fork with top-out springs
Rear Suspension WP 4014 Emulsion Shock Absorber
Front Brakes Twin floating 320 mm (12.6 in) disc with radial mount, 4-piston calipers
Rear Brakes Single 220 mm (8.7 in) disc with single-piston caliper
Front Tire 120/70ZR-17
Rear Tire 190/55ZR-17
Rake 23.3 degrees
Trail  ???
Wheelbase 1,435 mm (56.5 in) 1,425 mm (56.1 in)
Seat Height 805 mm (31.7 in)
Dry Weight 184 kg (406 lb) 186 kg (410 lb)
Wet Weight 200.5 kg (442 lb)
Fuel Capacity 16.5 L (3.6 imp gal; 4.4 US gal)


External links

  • Official RC8 website
  • KTM RC8 review Road test of the KTM RC8
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