Fuel consumption Java 350 per 100 Kilometers • Modifications and hybrids

Motorcycle Ural Technical Characteristics Fuel Consumption • Technical characteristics

The wheel with a steel hub has 40 spokes: 20 long with curved heads and 20 short straight. In a wheel with an aluminum hub, all spokes are the same length with curved heads.

This model of the “Ural” can be compared to a heavy horse, which, despite bad weather, confidently pulls the assigned load towards the goal. The Ural Tourist stroller model, being in service with the traffic police, has long been loved by drivers, and they have carried this love through the decades. Once upon a time, Ural designers took the German developments “BMW-R 71” as the basis for creating a motorcycle and to this day they are trying to bring their own bit of modernization to them. This leads to the fact that models of this type are incredibly popular abroad. The factory variation of the Ural Tourist motorcycle is the all-wheel drive “Tourist 2WD”.

The Ural Tourist motorcycle is an example of a classic heavy trailed motorcycle vehicle, created specifically to easily cover any distance, move over rough terrain and highways, traveling with a passenger. Rationalization decisions of Soviet citizens in the absence of a passenger resolved the issue of extra space quite quickly. The motorized vehicle carried any luggage and various sizes of rural luggage, once again emphasizing the excellent endurance of these vehicles.

Technical characteristics of the Ural Tourist are constantly undergoing factory innovations. The latest models of this class received an engine with a power of 45 horsepower and a volume of 750 cm3.

Nineteen-inch wheels also give confidence when moving. These qualities give the motorcycle a run-up speed of up to one hundred and twenty kilometers per hour. These components only increased the endurance of the motorcycle. With proper care, it is practically eternal.

Standard equipment for all trailers includes a luggage rack mounted on the spare wheel, a parking brake and handles for passenger convenience. The seat is double adjustable and split. The video with the Tourist demonstrates factory proposals for completing the motorcycle. This could be a crankcase or sidecar front or rear protection, a raised exhaust system, a waterproof cover and wheels with high cross-country ability. The original color palette is not large: blue, green, classic black and with the addition of circus.

A world-famous foreign manufacturer also took part in enhancing the reliability of the motorcycle, providing its internal parts with imported components.

Motorcycle Java 350 owner reviews

• Valery, Murmansk. This is my first motorcycle. Model made in 1986, used for 2 years, we bought this miracle for 15 thousand rubles. My brother has the same model. This is a wonderful device, I hope I never regret buying it. You can ride it like a bicycle - it is light, fast and maneuverable. The saddle is comfortable, and Java itself looks solid and sporty. And this is with a completely factory appearance, no tuning. Perhaps, such motorcycles are no longer produced, and you rarely see such rarities on the roads. After riding in Java, I realized that I didn’t need any German or Japanese motorcycle at an exorbitant price. In general, this car was created for people with a soul, with a biker soul. Gasoline consumption is a maximum of 4 liters in the urban cycle.
• Inna, Nizhny Novgorod region. Java-350 is the best motorcycle of its time, and it is still quite relevant today. The only drawback is that it is very fragile and often breaks. My father bought it for my 16th birthday. The model dates back to the USSR, so I won’t judge it strictly. The motorcycle was well maintained and in good condition. But I decided to start refining it - first I paid attention to the design. By order, my motorcycle was repainted in silver metallic (it used to be red), neon lighting was installed on the wheels, and new rear-view mirrors were installed. By the way, at first I taught how to drive on MT. After updating the design, I started refining the chassis - I changed almost everything inside, from shock absorbers to batteries. At the same time, I got acquainted with the structure of the motorcycle. On this motorcycle you can quickly increase your adrenaline, especially if you are racing at two o’clock in the morning along an empty highway, and even along a white stripe. It was a good time then, and I wanted it not to end. The motorcycle consumed a maximum of 4 liters in the city. I drove fast, maybe that’s why the consumption is so high.
• Nadezhda, Ryazan. Java 350 is a light and reliable motorcycle to control, very powerful and torquey. Noise and vibration are acceptable for this class. Fuel consumption is insignificant, about 3-4 liters per 100 km. Unfortunately, it causes a lot of trouble. The main drawback is the high stands for head optics, and the headlight itself is large - because of this, visibility is limited forward, or when you look at the road. Fortunately, Java can be easily modified - you can make new stands and install more compact shades. True, the lighting will be worse. In any case, I like the bike. My husband and I bought it in 1998. The two-wheeler underwent restoration - painting and modification of the chassis. Java is in operation every year, six months a year. My husband and I take turns riding. The engine runs almost without noise and vibration, unless you increase the speed too much. I immediately liked the design, I note the streamlined shape and elegant chrome elements, it’s like a Harley Davidson for beginners. There are comfortable handles under the rear seat, you can hold on to them tightly without your hands slipping. I was also impressed by the ergonomic shape of the seat, under which there is a secluded luggage area. Shock absorbers are closed. By the way, you can carry keys and other spare parts, as well as a can of oil, in the trunk. The original tires look just great, nostalgia from the heart, so to speak. The motorcycle handles like a bicycle, with almost no heaviness in turns. There is an anti-theft system that can be turned on if you lock the steering wheel with a key at an angle of 45 degrees. Repairing a Java 350 will not cause much trouble. The engine has a good supply of power and traction. Model 1987 model year, in service for 12 years. Bought from the first owner. Gasoline consumption in the city is 4 liters per 100 km.
• Dmitry, Tambov. The model was produced in 1994, I bought this motorcycle in 2015 for 5 thousand rubles. In regular use for three years. Naturally, I only ride it in the fall, spring and summer. A lot of positive impressions and emotions. I got Java at the age of 14. Back then, like the rest of the backyard boys, I dreamed of a two-wheeled friend. I understood them well then, read all sorts of magazines and reviews. I clearly knew and had already decided which model I needed. So that it would be inexpensive and at the same time meet all my needs. Of course, I also looked at other models - for example, Jupiter is also a good model. But Java 350 cost me 5 thousand rubles. I added money from the scholarship and also borrowed it from my grandfather. The motorcycle was practically new, I was immediately happy. I then drove home in my Java. The impressions from the first trip were simply indelible, just a storm of emotions, I wanted to ride and ride it without stopping, just so as not to miss out on school. The Java-350 motorcycle has good traction from the very bottom, clearly more thoroughbred than the Izh. The same applies to dynamics; in this case, Java is ahead of all its closest competitors - Jupiter, Planet and other popular Soviet models. The gearbox has perfectly selected gear ratios, there are no complaints about it. The technology didn't give me any problems. As for maintenance, I mainly changed the spark plugs. I also had to tighten the chain, you can get used to all this - a couple of trifles. Today, Java, of course, is already outdated. But I ride it from time to time, but I’m still thinking about buying a more modern motorcycle, I’m a lover of new sensations. Java consumes about 4-5 liters of gasoline. You can fill in AI-76.
• Nikita, Sverdlovsk. Java 350 can be described in three words - fast, compact and powerful. Of course, there are disadvantages - the motorcycle is completely unsafe, it has a rather weak two-stroke engine, which is easy to maintain. I dreamed of such an acquisition as a child, but then something didn’t work out. Either there was no money, then interests and views changed, then there was no time, etc. And many more dissuaded me from buying - many of my friends and relatives often got into accidents on these motorcycles. In my mind, Java turned out to be such an emergency that I remembered an old Soviet joke on this topic - some guy calls the Java motorcycle factory and asks: “Greetings, they’re bothering you from the morgue, how many motorcycles have you sold today?” The factory responded that they had sold three motorcycles. In response to this, an upset voice followed - it means that another one is skating somewhere, apparently, we will have to return the tickets to the opera. What I mean is that statistics show that every second owner of a Java was involved in an accident, and with a not very pleasant outcome. Java 350 is a light and powerful motorcycle, revvy, and rides pleasantly on clay, small gravel, sand and other off-road terrain. The engine loves to rev. The thing is that during a sharp turn it can be thrown into a skid, which is why an accident occurs. Four-cylinder two-stroke engine. If you maintain the proportions of oil and gasoline, then the engine will last a long time and trouble-free. In addition, you can count on good acceleration dynamics, by the standards of those years, of course. The Java brand has always tried to produce motorcycles with a sporty character. But because of this speed, Java often got into accidents. In general, this model may intrigue you at first glance, but how many people are stuck with it? I rode this motorcycle for a little while, it was just time. I was even a little afraid. I had a 1983 model, worth 6 thousand rubles. Bought in 2010, sold in 2012. Gasoline consumption is 3-4 l/100 km.
• Grigory, Saratov. Java 350 is a dynamic and maintainable motorcycle. And those who often get into accidents with it simply do not know how to drive. But we must admit the fact that Java is now hopelessly outdated. Because of this, there is supposedly reason to criticize Java for its security, and quite deservedly so. But I will still stand up for the motorcycle of my childhood. This is my first transport. I bought it with my father in 2002. The previous owner of Java was a certain Kiev resident. The motorcycle was in excellent condition, so we also paid for transportation directly to Saratov. At the time of purchase, the mileage was 35 thousand kilometers. The original speedometer showed a maximum speed of 180 km/h, but this is, of course, pure marketing (if it was still in the USSR). And the tachometer was lined up to 10 thousand rpm. The seat is leather. The engine, however, was half dead. The purchase cost $300. It was only necessary to restore the engine, while everything else was almost perfect. We had to wait a whole month until the engine was ready. After all, I agreed only to original spare parts - besides, my father himself insisted on this. We installed new crankshaft and piston elements, polished the cylinders, and replaced the forks in the gearbox. In the chassis, the pendulum was changed and new rear shock absorbers were installed. After assembling and installing the engine, it was time to update the exterior - I repainted the bike and put stickers on the gas tank. Then the engine had to be broken in properly, but after this procedure I began to drive like crazy - I really couldn’t stand it. But the engine is still low-power, and another disadvantage is the lightweight frame design. It’s already scary to drive at 130 km/h, but you can drive further at your own peril and risk, but only with a passenger - with him the motorcycle is more stable and almost does not bounce on bumps. With careful driving, you can achieve 3 liters per 100 km. By the way, this is exactly how much Chinese scooters with 50 cc engines consume.
• Alexey, Tula. In principle, a good motorcycle. It looks very stylish, the appearance is still quite relevant. But I sold my childhood dream on time; I owned the motorcycle from 2007 to 2010. Model 1985, from the second owner. I enjoyed the ride while riding this motorcycle. This was my first motorcycle. In terms of reliability, it practically didn’t bother me; I only changed consumables. The main thing is to set up the carburetor and chassis correctly, and everything will be fine. Ignition tuning requires maximum precision, and the ride quality of the motorcycle is simply excellent compared to its closest competitors. The maximum speed was around 130 km/h, but with such a ride the motorcycle was unstable and constantly scoured from side to side. All I did was try to keep Java on the track (I remember how hard my hands sweated then...). Gasoline consumption averaged 4 liters, reaching 5 liters of 76-grade gasoline. Maintenance costs are very low, drive and be happy, as long as you don’t get into an accident. Fortunately, I never had an accident. Of course, it would be possible to buy a more modern Java - produced in 2011. But everyone understands that this is only a deep modernization of Soviet Java. Now I have moved up to a higher class, but with a heavier motorcycle.

Power

Number of cylinders 2 Number of valves Intake type Injector Carburetor Bore and stroke Starting system Electric starter, kick starter Maximum speed in km h 130 km h Cooling system Air Transmission 4-speed gearbox Clutch Dry Oil bath Drive Chain Frame Tubular steel Chassis Suspension Travel front rear Brakes Front rear Wheels Tires Rubber Dimensions and weight Dimensions Length Width Seat height Ground clearance Curb weight Wheelbase 1335 mm Weight 156 kg Fuel tank capacity 17 l. But rumors about the existence of such models as Java 360 or Java 380, if we talk about cubic capacity figures, are no more than rumors that have been circulating on the Internet since its invention.

Current information on models

Let's talk about which models can be purchased now and why they are interesting:

JAWA 125 Dandy. Dandy is a simple classic and one of the company's best-selling motorcycles in the 125 cc class today. Simplicity, convenience and reliability are combined in this model and make it attractive to thousands of buyers around the world. It is equipped with a single-cylinder, four-stroke, air-cooled engine. Unit power is 9.4 kW at 8200 rpm. Equipped with an electric starter. The gearbox is very decent, five-speed. The brakes are reliable, disc. The maximum speed of this motorcycle is 108 km/h. Java motorcycle video review can be viewed at the end of the article.

• To mark the eightieth anniversary of the company, a commemorative model of a 350 cc motorcycle, the JAWA 350 Lux, was released. For the anniversary, the motorcycle was updated not only externally. He received a new brake system. The 17-kilowatt two-cylinder engine with a 4-speed semi-automatic transmission is still good. The suspension is also good. The front has a travel of 150 mm, and the rear – 80 mm. Overall, this is a classic 350, moderately chromed and without any obvious flaws. Still, for the anniversary, the engineers tried their best and made a really great motorcycle. Sales of the RA 350 Lux motorcycle were going quite well. The motorcycle is still very popular among connoisseurs of the brand.
• Another new and very interesting Java motorcycle is also worth mentioning in our review. This is a Java 650 Dakar from 2010. Lightweight, with good brakes and quite fast (165 km/h), it deserves attention. This motorcycle belongs to the enduro class and has excellent off-road qualities. The engine is single-cylinder, four-stroke, with a power of 47.5 hp at 6500 rpm. Front shock absorber – 150 mm telescopic fork. The front brake is double-disc, the rear is single-disc.

The Java motorcycle whose photo you see below is the same Dakar.

The modern Java may not be the fastest motorcycle in the world, nor the most advanced motorcycle in existence, but in our hearts it will forever remain the best of its era.

It is known that the Czech government provided financial assistance to the management of the enterprise, and new models can be expected in the coming years.

The undoubted advantage of this brand in our country is that spare parts for the Java motorcycle are still produced and supplied to us, are inexpensive and are available in most services.

Thanks to this, there is still a great demand even for old models, which are twenty or more years old. In Russia and Ukraine, thousands of classic motorcycles imported between the 70s and 90s of the 20th century are still preserved.

Professional repair of Java motorcycles, performed in a good workshop, can extend the already long life of this miracle of engineering.

And then in the video there are Java motorcycles:

https://youtube.com/watch?v=PE9–PelkhE

Army modifications:. Motorcycle modifications

Maintainability in this case goes hand in hand with outdated technologies, which these days are not used even by Chinese and Indian motorcycle manufacturers specializing in extremely low-cost equipment. One of the main distinguishing characteristics of the CZ 350 is its strength, which is achieved primarily through the use of high-quality materials for the manufacture of parts.

Technical characteristics of the VW ABU 1.6 mono-injection engine

A large selection of materials on the units of the third Golf is posted here

An interesting blog is written by the owner of a car with such an engine on the Drive 2 portal

New Generation. History of cz

• Small resource;
• Starting is difficult or does not start at all;
• In hot weather, it gets very hot in low gears;
• Interruptions in the operation of the cylinders;
• Knocking;
• High fuel consumption;
• There are a sufficient number of cases of inaccuracy in the manufacture of the engine crankcase at the cylinder mounting points;
• It is difficult to select timing gears to replace worn ones;
• Oil is leaking at the joints.

Similar models • From this year, the motorcycle began to enjoy success in the countries of the USSR and took its place in the motorcycle market.

Meet the new Java

This year, the JAVA-250 and JAVA-350 motorcycles of the “559-07” and “360-00” models, popular in the USSR, are being replaced by the Java 350 model 634-01. Motorcycle enthusiasts already know about this new motorcycle from articles published in the magazines “Behind the Wheel” (1973, No. 12) and “Czechoslovak Motor Review”.

How does this motorcycle differ from its predecessors? We asked the representative of the Motokov foreign trade association, Jan BUZEK, to tell us about this.

The new machine was developed taking into account the vast experience gained from operating YAVA motorcycles, of which almost a million have been delivered to the USSR to date. It should be noted that these motorcycles were intended mainly for work on fairly high-quality roads. Nevertheless, as you know, thanks primarily to the exceptional reliability of the engines, JAVA motorcycles have climbed into areas of your vast country for which they were essentially not designed: the off-road conditions of Siberia and the North, the hot sands of deserts, and rocky mountain trails.

Life is life. She is a force to be reckoned with. And it was necessary to change some components in order to better adapt the motorcycles to use in such areas. Many years of work in this direction led to the creation of a new model of the YAVA-350 motorcycle. The changes affected, naturally, primarily the chassis. Let's start with it.

Design

Not a single biker born at least 30 years ago will confuse this model with any other. The recognizable silhouette with an abundance of chrome and a long, flat seat, a seemingly chopped off taillight and matte aluminum engine covers sunk into the soul of many of us even in childhood or adolescence. The Java 350 differs noticeably from Soviet bikes in being less heavy and more graceful.

Motorcycle in the USSR. Technical component

In the USSR, Java was sold in only one color, but in fact, all over the world there were various factory paint options, several two-color schemes and single-color white, black, scarlet and our well-known cherry. The demand for Chesets was so high that in search of a new motorcycle, motorcyclists could travel halfway across the country to find their Chesets in some motorcycle or sports store.

Supply system

The tank holds 16.2 liters, which, with a consumption of 4 l/100 km, corresponding to a speed of 80 km/h of a single motorcycle, allows you to drive on the highway without refueling your car.

more than 400 kilometers. In urban conditions, in all cases with uneven driving, fuel consumption will naturally increase slightly. This is also facilitated by any increase in the forces of resistance to movement - for example, when driving with a side trailer, on steep long climbs, in a strong headwind.

The most important element of the power system is the carburetor. This is the 2926 SBDb carburetor, which has proven itself on previous JAVA models. The air enters it from a purifier combined with an intake silencer. Its new design, with high noise reduction efficiency, has significantly less resistance to air flow, so the carburetor jets have a correspondingly increased throughput (performance) compared to the old ones.

Repair and tuning Technical characteristics

• Java 350 634 . The first modification to replace its 250 cc predecessor on the production line. Produced since 1973.
• Java 350 638 . The most famous version, produced since 1984. Because of the flat seat, it received the nickname “bench”. In fact, this is a slightly modernized and modified Java 634 6, which was produced a year earlier and was a transitional model.
• Classic Sports . The revived bike was shown to the public at an exhibition in 2015. The appearance has been greatly modified to suit the “cafe racer” style, popular in Great Britain in the 60s of the 20th century.

Technical and operational characteristics • All sorts of Voskhods and Izhies could not compete with the Czechoslovak motorcycle on the road.

Jawa (Java) 350 - characteristics and review of the model

There are many legendary motorcycles in the motorcycle world.
For example, in the West, one of the most legendary is Harley-Davidson.

In our country, the legacy of the Soviet motorcycle industry, which is still quite popular and, in principle, can be considered one of the legends of the motorcycle industry, is the Java motorcycle, namely the Java-350 model.

Since its appearance on the market, and this was a long time ago - in 1974, and until now - “Java” has been one of the most desirable motorcycles , along with Japanese motorcycles and their Chinese copies that have now completely filled the market.

Since the start of production, this motorcycle has undergone several modifications that have improved its technical characteristics and appearance, so we will consider the last of the Java-350 models, which had an index of 638.

This model, popularly nicknamed “Bench” because of the seat, was one of the “trump” motorcycles that roamed the roads during the Soviet Union, as well as after its collapse.

But the motorcycle production plant located in the Czechoslovak Republic went bankrupt after the collapse of the Union, and there is no such republic anymore, so the production of motorcycles of this brand almost stopped .

Java-350-638 became the last model before the end of production of this motorcycle manufacturer.

The Java-350-638 model was a classic road motorcycle. According to the current classification, it can also be classified as “naykids” .

Dynamics

In 1953, production of a new family of Java motorcycles with two-stroke engines of 250 and 350 cm3 and a pendulum rear suspension was launched. The motorcycles were produced jointly with another Czech company CZ.

Transmission

The gearbox does not have 5 gears, as bikers are used to these days, but only 4. But the gear ratios are quite long, so they are enough. And in everything related to reliability, the Java 350 gearbox can serve as a role model for many Chinese defectors, who in the 21st century manage to rivet motorcycles with gearboxes that jam at every tenth shift.

The steel frame with the entire structure described above rests on four standard shock absorbers - two at the rear plus a fork at the front. There are no settings provided, which was the norm for the 80s of the last century. The brakes are also simple, drum, and there is no disc brake even on the front wheel. The braking distance is quite significant, since the bike weighs a lot.

Minuses

They traveled on it on long journeys throughout the Soviet Union, carefully wiped it with a cloth after the trip, and sometimes even passed it on to inheritance with the words Keep it, as I kept it. When the generator is running, the red light goes out, when the turn is turned on, the green light flashes, when the motorcycle is set to neutral speed, the yellow light comes on, and when the high beam is on, the blue light comes on.

The birth of a legend The history of cz

After another 10 years, model 638 was released, differing from the previous one in appearance and increasing the voltage in the on-board network from 6 to 12 volts, a new gearbox and front fork developed by CZ. The drum brakes worked reliably, and the front and rear forks with telescopic shock absorbers ensured comfortable movement on paved roads.

Chassis

When developing the frame, the design of well-proven nuclear weapons, intended for the most difficult six-day motorcycle competitions, was taken as the basis. The frame of the Java 634 motorcycle is closed, double type, made of round pipes. It provides a wide support for the rear pendulum fork, which is also made of round pipes and has an increased margin of safety. The combination of the new frame and rear fork provides a rigid spatial design that increases the reliability of the motorcycle in difficult conditions - especially when riding with a side trailer on poor roads. At the same time, these changes have a positive effect on the operation of a single motorcycle, especially on its stability at high speeds, cornering, driving on slippery roads, and on wavy surfaces.

Motorcycle frame Java 634

The front fork is borrowed almost unchanged from previous models. The rear suspensions have been slightly modified to take into account the design features of the new frame and rear fork.

The new motorcycle has 160mm drum brakes. The front wheel uses a two-cam design, which significantly increases braking efficiency.

The rear wheel brake drive has been improved. Now the force from the pedal is transmitted through a roller passing through the axis of the rear fork to the left side, and then, through a short cable, to the brake lever. The friction forces in the drive have decreased, and the brake has become more effective.

The wheels of the new motorcycle have a rim and tires with a diameter increased to 18 inches, which have already been tested and proven themselves on a number of models, including the YAVA-Californian-IV. The front wheel has a tire size 3.25-18 with a “guide” tread pattern, and the rear wheel has a tire size 3.50-18 with a “universal” tread pattern.

The “634-01” model has an open steering wheel that is slightly larger than the “360-00” type, and the clutch and front brake levers are made with thickenings at the ends.

Story. Motorcycle modifications

• Power . All sorts of “Voskhods” and “Izhi” could not compete with the Czechoslovak motorcycle on the road.
• Significant service life of the engine and CPG , noticeably longer than most Soviet bikes.
• Moderate mass , less than that of the Ural or Jupiter.

Review of Java 634

In Soviet times, motorcycle technology was not only fast and reliable, but also universal. Java 350 type 634 was one of these models, because it had the ability to attach a rear or side trailer. It was also possible for the driver and one passenger to ride, because the carrying capacity was 180 kg. With this indicator, some owners could transport the necessary things on a trailer. Of course, the old 634 will not be able to compete with the new Ural motorcycles, but then it could surprise.