125 Grand Prix Racing History

11 Май 2015 | Author: | Комментарии к записи 125 Grand Prix Racing History отключены

125 Grand Prix Racing

125-cc Grand Prix have been around the first official GP season of 2011 will see the end of this era the last race finishes at the track of Circuito de la Comunitat No longer will the screaming 125 be seen in Grand Prix in their place will the next generation of small racers: the MotoGP 3 bikes.

The class has been very with riders and spectators since the beginning—often having of the closest races and finishes of the Grand prix weekend. of the great all time riders started their careers on the or used the class at Grand level to learn the various around the world, and hone racer skills.

The 125s always been a challenge for The engines generally have a narrow power band with a little as 500 rpm of power their tires have at seemed minuscule, and the riding required on such a small (smooth and neat) was often for taller riders. But almost past and current champion of classes has raced a 125 at some

The first winner of an official 125 Prix race was Nello on a Mondial. Pagani was an Italian who also competed in the 500 Grand race on a Gilera finishing That first 125 GP was held on the Bremgarten in Switzerland.

Most Rider of all Time

The most 125-cc Grand Prix of all time is Angel Nieto. The claimed seven world on a variety of machines including Derbi, Kreidler, Minarelli, Garelli and Ducados between and 1984.

Besides Nieto, many riders went on to Grand success from the quarter class.

Riders such as Hailwood, Barry Sheene, and recently, Loris Capirossi, Rossi and Jorge Lorenzo all to make a name for themselves in the class at Grand prix

Not only did many riders a name for themselves in the 125-cc so too did many motorcycle manufacturers. is especially true of the Japanese who saw the small capacity class as an entry into international racing and, by extension, a to showcase their machines and

From Italian to Japanese

In the days of Grand Prix the Italian manufacturers dominated the Mondial, Ducati and MV were all manufacturers entering the 125-cc But it was the Japanese manufacturers who saw the class as an entry level race Their expertise was in small engines and their knowledge of performance from them was in the class.

Most of the early 125-cc Prix racers were based, but as the class developed, two and 4-… engines were Besides the engine type, different configurations of cylinders also used. The term was often leveled at the 125 works which had seen many configurations of engines from cylinder 2-strokes to five 4-strokes.

Not only were the often complex, because of cylinder numbers and configurations, but the would be forced to employ gearboxes (Suzuki had a 14-speed at one time), to make the most of the narrow power bands.

Complex Engine

Probably the most technically and complex 125-cc engine was the RC 148. This five-cylinder engine is rumored to have 34 bhp at a staggering 20,000 rpm. The used an eight-speed gearbox and a wet oiling system.

Suzuki DS 125

Dry weight was to be 187 lbs. (85 kg’s).

Not all of the Japanese were successful though. The Suzuki’s were under and generally slow. However, all changed for the company when German rider and renowned Ernst Degner, defected and the Suzuki factory team knowledge of rotary valve systems proving to be particularly

Unfortunate Bike

But not all of the Japanese Grand prix bikes successful. Besides the poor of the early Suzuki’s, Honda had an example they would to forget in the RC144 of 1961. The … parallel-twin engine had performance compared to the opposition, and the was even described by Honda as

The performance of the 125-cc machines has been admired by race and riders alike. From a 15 bhp developed by the early bikes, 38 bhp for the 20,000 rpm producing Honda’s to than 45 bhp for the latest single 2-strokes, the 125-cc machines produced incredible speeds.


Although the bhp figures are for such a small engine, the minimum weight of 176 lbs. (80 helps to propel these to more than 145 mph. Not do these bikes have power to weight ratios, also offer fast speeds; their mid-corner often being faster the MotoGP bikes.

To achieve lap times, 125-cc riders maintain speeds from consistent riding. A good of this is the 125-cc lap record the IOM TT circuit which stands at 110 mph by Chris Palmer in 2004).

The 125-cc Grand Prix will be missed by many, but the machines will be seen for in classic and vintage racing .

Suzuki DS 125
Suzuki DS 125
Suzuki DS 125
Suzuki DS 125
Suzuki DS 125
Suzuki DS 125


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