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The MV Agusta F4 is an inline four-cylinder sport bike made by MV Agusta from 1999 until 2018. It was the motorcycle that launched the resurrection of the brand in 1998. The F4 was created by motorcycle designer Massimo Tamburini at CRC (Cagiva Research Center), following his work on the Ducati 916. The F4 has a single-sided swingarm, large diameter (49 or 50 mm (1.9 or 2.0 in)) front forks and traditional MV Agusta red and silver livery. The F4 engine is also one of the few production superbikes to have a hemi-spherical cylinder head chamber design with 4 valves per cylinder.
F4 R 312
The F4 R 312 was released in late 2007 as a 2008 model. It is an evolution of the F4 1000 R model, which it replaced. The engine had been uprated to comply with the Euro 3 emissions standard. It also produced an additional 9 bhp, to give a total of 183 hp (136 kW) and 115 Nm (85 lbf⋅ft) torque. This is due to 30 mm titanium intake valves, modified camshafts and 48 mm throttle bodies.
The chassis, suspension, brakes and wheels were from the 1000 R. The bike was offered in a gloss black/grey, pearl white/black or “Corsa” red/silver finish.
A two-seater version, the F4 R 312 1+1 was also available.
The “312” in the name refers to the bike’s claimed top speed of 312 km/h (194 mph). Italy’s Motociclismo magazine verified MV Agusta’s claim, achieving a top speed of 193.24 mph (310.99 km/h) at the Nardò Ring, and beating the Suzuki Hayabusa in top speed.
Reference
https://en.wikipedia.org/wiki/MV_Agusta_F4_series