The Yamaha FJ 1100 (also identified with the internal code 1FN) has been produced since 1985, after a bombastic presentation took place at the show in Cologne, in 1984. It boasted some very interesting technical features for the time: first, it was the first sport bike in the world to be equipped with an aluminum engine with 4 cylinders in line with 45 degrees. All this made it possible to obtain inlets straight, leaving space to the filter casing and reducing the center of gravity, thus improving the maneuverability of the vehicle (in spite of the high weight) during the phase of travel.
   The five-valve cylinder head was a feature until then described only in some theoretical mechanic manuals: Yamaha bring it to the street with exciting performance (100 hp) and the usual reliability achieved with a lot of exhaustive testing under all conditions.
   The success of FJ in terms of image is total and in 1986, Eddie Lawson won the Daytona 200 and, in the same year, 3 Italians (Norberto Naummi, Maurizio and Roberto Foppiani Ghillani) lead the FJ to win the record World Endurance, covering 30370 km with no stops in 560 hours, demonstrating the reliability of this bike.
   In Italy, part of the success of the FJ 1100 is also produced because this bike was chosen to stooge for Carlo Verdone in the movie "Troppo Forte": the version used for this movie was the 1985 in the color gray/red . Even today, after more than 20 years, a lot of person remember the FJ especially for this movie.
   Over the years, Yamaha makes some substantial changes (aesthetic and mechanical) to the FJ (visible in the box on the right): these updates allowed to leave the FJ on the market until the 1993. Moreover, to keep up with the "enemy" of the time (for example, the Suzuki GSX-R 750), when it came to be put out of production, the FJ also opened the way to those that would become the modern superbikes: the Yamaha YZF-R1 (presented in 1997 and entered in production in 1998), despite an increase of cubic capacity, had similar characteristics to the FJ, including the 20 valves per cylinder.
   Today, the FJ is considered a motorcycle of historic interest and is quite searched by collectors: its quotation is 2500 euros for a model in excellent condition, while for models less cared prices range is between 1000 and 1500 euros.

1984
It's the year in which the FJ begins to be sold to the public. It is offered in white/red, white/blue and gray/red.

1986
During this year undergoes a change of displacement and some small measure aesthetic/aerodynamics: the engine goes to 1200 cc, it changes the rear grab handle for the passenger, the blinkers are incorporated into the front fairing, as well as mirrors that are eliminated by handlebars, fuel cap is replaced with one of aeronautic type, is added a digital clock in the dashboard. It is offered in the colors white/red and white/blue.

1988
After almost 3 years from the original design, the FJ undergoes some changes to the chassis: the front wheel is now 17", the wheels are replaced with 3-full spoke, the front fork is deprived of the anti-dive and the front brakes went from 282 to 298 mm. Even in terms of aesthetics are some changes: the dome is now higher than 50 mm wider and 60 mm and discharges are no longer aluminum color but blacks. It is offered in the colors white pearl/gray with red threads and black with gold threads.

1990
It comes with two windshields, one higher and one lower with 75 mm of difference. It's always proposed in the colors pearl white/gray with red threads and black with gold threads.

1991
Last two years of production: now has the trapezoidal headlight. On request there is also the ABS braking system. The windshield is available in a version called Aeroscreen, with striking vertical fins. The engine is mounted elastically. It is offered in the color white/azure-blue.

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