Motorcycles of 250 cubic meters are the most popular models in the road class. A variety of modifications of the brands "IZH", "Kovrovets", "Minsk" can still be found today both on the highway and on city streets. A special category is made up of motorcycles of 250 cubic meters for sports purposes, cross-country and racing two-wheeled vehicles. Models of the Soviet period for competitions on rough terrain are Kovrovets, IZh, Minsk and Voskhod. There were no domestic motorcycles for road racing in the 250 class in the USSR.
Is a silencer needed for a dynamic car
Sports motorcycles of 250 cubic meters differ significantly from road modifications. First of all, it is a forced engine that allows you to develop power an order of magnitude higher than a conventional motor can give. The specifics of the competition involves the operation of the motorcycle power plant in extreme mode, the resource of all mechanisms is sharply reduced. To increase engine power, sports mechanics redo the exhaust system. Special partitions are removed from the silencer body, which are designed to reduce engine noise. Without them, the exhaust mode becomes straight-through, and the noise increases sharply. Therefore, Soviet cross-country motorcycles of 250 cubes so rattled, passing their distance. Measures to alter the silencer were quite justified, since the thrust of the motor increased significantly due to the removal of mesh partitions.
Daytime Competitions
Each 250 cubic cross-country motorcycle is a powerful two-wheeled vehicle, the task of which is always to be the first at the finish line. The technical condition of the structure must be perfect, both speed and maneuverability depend on the operation of components and assemblies. The motorcycle should be able to "pull" from a place and brake in time, gain speed and enter a steep turn, this is the art of racing over rough terrain, where the roads are only dirt roads and there is not a single straight section. The cross-country motorcycle of 250 cubes does not have any lighting equipment, headlights are not needed, since competitions are held only during the day. Turn signals are also unnecessary, the brake light is provided for by technical specifications, but it is also practically not needed.
Japanese motorcycles 250 cubic meters
Honda, Suzuki, Kawasaki, Yamaha are the main manufacturers of scooters and two-wheeled racing cars. Motorcycles "Honda" (250 cubic meters) have several modifications, the most famous of which are models:
Motorcycles "Honda"
Honda Hornet-250, specifications:
- model year - 2002;
- type - naked bike;
- cylinder volume - 249 cc / cm;
- formula - in-line, four-cylinder;
- power - 40 hp at 14,000 rpm;
- cylinder, diameter - 48.5 mm;
- food - carburetor;
- cooling - water;
- gearbox - 6 gears;
- rear wheel drive - chain;
- speed - 135 kilometers per hour;
- curb weight - 151 kg;
- gas tank, volume - 16 liters;
- motorcycle length - 2045 mm;
- width - 740 mm;
- height to seat level, mm - 760;
- wheelbase - 1415 mm;
- front wheel, size - 130/70 61W;
- rear wheel size - 180/55 73W;
- ground clearance - 170 mm;
- disc brakes, ventilated.
Motorcycle Honda-250 Rebel, technical parameters:
- engine - four stroke;
- number of cylinders - two-cylinder;
- cylinder volume - 233 cc / cm;
- piston, stroke - 53 mm;
- compression - 9.2;
- cooling - air;
- power - 17.5 hp at 8250 rpm;
- food - carburetor;
- transmission - 5-speed gearbox;
- front suspension - telescopic fork with hydraulics;
- rear suspension - pendulum design with two shock absorbers;
- front brake - ventilated disc;
- rear brake - drum;
- speed - 130 km / h;
- gasoline - consumption within 4.8 liters per 100 kilometers;
- gas tank capacity - 10 liters;
- weight, dry - 142 kg;
- height of the motorcycle to the seat - 675 mm;
- width, mm - 724;
- length, mm - 2195;
- clearance, mm - 150;
- wheelbase - 1460 mm;
- front wheel, size 3,00 - 18;
- rear wheel size 130/90 - 15.
Motorcycle CBR250RR, technical specifications:
- type - sports;
- model year - 1991;
- engine - four-stroke, four-cylinder;
- cylinder volume - 249 cc / cm;
- piston stroke - 33.8 mm;
- cylinder, diameter 48.5;
- cooling - water;
- power system - carburetor;
- ignition - electronic;
- power - 45 hp at 15,000 rpm;
- transmission - 6-speed gearbox;
- rear wheel drive - chain;
- front wheel, size - 110 / 70-17;
- back wheel - 140 / 60-17;
- front brake - double-disc, ventilated, diameter 275 mm;
- rear brake - ventilated disc, diameter 220 mm;
- speed - 180 km / h;
- gas tank, capacity - 13 liters;
- the weight of an unfilled motorcycle, kg - 143;
- height, mm - 1080;
- length, mm - 1975;
- width, mm - 675;
- wheelbase - 1345 mm;
- front suspension - telescopic damper fork;
- rear suspension - pendulum with monoshock-absorbers.
Suzuki and Yamaha
In addition to motorcycles "Honda", there are a number of models of other companies in the class of 250 cubic meters.
Popular Suzuki GSX-R250 and RM-Z250; Yamaha YZ-250, YZ-250F and WR-250R.
Kawasaki
In the Kawasaki lineup, the most famous modification is the Ninja-250R.
Motorcycle "Kawasaki Ninja-250", technical data:
- engine - four stroke, 2 cylinders;
- configuration - in-line;
- cylinder volume - 249 cc / cm;
- piston stroke - 41.2 mm;
- cylinder, diameter - 62 mm;
- maximum power - 33 hp at 11,000 rpm;
- food - carburetor;
- Recommended fuel - AI-95 high-octane gasoline;
- cooling - water;
- launch - electric starter;
- transmission - mechanical, 6-speed gearbox;
- rear wheel drive - chain;
- motorcycle length, mm - 2085;
- width, mm - 715;
- height, mm - 1115;
- wheelbase - 1400 mm;
- motorcycle weight - 169 kg;
- gas tank capacity - 17 liters;
- front suspension - telescopic fork;
- rear suspension - pendulum with monoshock;
- front brake - disc diameter 290 mm, ventilated, with hydraulics;
- back - disk, diameter 220 mm, with hydraulics;
- front wheel - size 110/70 54S;
- tread - low;
- rear wheel - size 130/70 62S;
Japanese motorcycles of 250 cubes are known all over the world. Models that are sold as road cars are nevertheless distinguished by a pronounced sporting character. And sports modifications are ready-made racing two-wheeled cars with a speed of more than two hundred kilometers per hour. Some models are even considered dangerous for an inexperienced driver, since they start too briskly, and before the rider has time to besiege the "Mustang", he will have time to fly a hundred meters. Therefore, the manufacturer must make detailed recommendations to the machine being sold, which are designed for careful examination. At first glance, this peculiar driving course of high-speed motorcycles seems to be an unnecessary reinsurance, but in fact there is every reason for this approach.
Some novice riders may just be taken aback if the motorcycle leaves obedience, and then the situation may end in a fall and injury. Some models from Japanese manufacturers are equipped with accelerator stops, this is included in the pre-sale preparation. Measures are justified, as they ensure the safety of the owner of a sports motorcycle. When the rider gains experience, the lock will be removed.
Italian manufacturer
The main supplier of world-class racing motorcycles is Aprilia, located near Venice. Cars of this manufacturer participate in all road racing circuits around the world.
The most famous Aprilia motorcycle is the Leonardo ST-250. The machine has the following characteristics:
- engine - four stroke, single cylinder;
- cooling - water;
- cylinder volume - 249.8 cc / cm;
- piston stroke - 66.8 mm;
- cylinder diameter - 69 mm;
- food - carburetor BS Mikuni 26;
- electronic ignition;
- launch - electric starter or kick starter;
- rear wheel drive - chain;
- gas tank capacity - 9.5 liters;
- motorcycle weight - 150 kg;
- front and rear brakes - disc, diameter 220 mm;
- wheels, size - 130 / 70-12;
- front suspension - telescopic fork, 90 mm stroke;
- back - pendulum with two shock absorbers.
Java 250
In the sixties of the last century, an elegant cherry-colored motorcycle with chromed mufflers and a comfortable double seat appeared in Soviet retail stores. It was a Java 250, a model from Czechoslovakia. The motorcycle cost 630 rubles, which at that time amounted to a fairly large amount. The spectacular beautiful Java-250, a photo of which appeared in all the magazines related to motorsport, immediately won the love of Soviet motorcyclists. There were no racing modifications to the Czechoslovak model.
Cost
Racing and cross-country motorcycles, the prices of which have always been kept at a fairly high level, can be purchased from hand, the choice is very wide. Models of any year of production, production of Japanese and European firms. Road models are also available. But most of all, cross-country motorcycles are offered, the prices for which are formed depending on the technical condition of the car. The year of release also matters, but in most cases this criterion is subjective. Motorcycles of 250 cubic meters, the price of which ranges from 74,000 to 420,000 rubles, are now available for purchase throughout Russia.