"Java 350-638" was considered the most beloved model for motorcyclists of Soviet times and even the era of new Russia. On sale it came from the beginning of 1985. The distinctive features of this motorcycle, capable of carrying up to two people, from the remaining models are new components: electrical equipment and, of course, the engine. "Java 350-638" had innovations and in its running gear. On board the new model was installed shock absorber, which lowered the fluctuations coming on the front fork, so it became possible to use a motorcycle with a trailer. It was this that explained that "Java 350-638" had no protective arcs, and also the left footboard motionlessness. On it was installed a new saddle, shrouds and gas tank volume of seventeen liters, more angular. In addition, rubber inserts designed to support the knees are provided on both sides. Motorcycle "Java 350-638" has improved running characteristics, and its comfortable saddle makes it possible to make long enough and comfortable trips.
For the driver there are no difficulties and when driving on bad roads, and when driving in the city.
Specifications
Innovations touched not only the fuel tank and shock absorber, but also the rear lamp of the model, as well as the panels on the seat seat. As a result, the appearance of the motorcycle changed . Now the model is equipped with a muffler with an increased length of its front end. This not only increased power, but also improved the type of mounting on the fuel tank. The "Jawa 350-638" two-stroke engine with two cylinders. Its working volume is 343 cu. Centimeter. The maximum power of this "iron horse" is twenty-six "horses" with a mass of one hundred and seventy kilograms.
Appearance
The length of this model is 2.1 meters, width is 107 centimeters. The "Java 350-638" battery with a transparent casing, retroreflectors on the sides and a sound signal. Compared with all previous models in this modified metal cylinders, they are made of aluminum, resulting in a reduced weight of this vehicle. In addition, the boring of their center-to-center distance by only twelve millimeters made it possible to obtain four rather than two bypass channels, as was the case with older modifications. This increases the pressure on the crankshaft, which uses a seal for more intensive lubrication of the bearing due to products of gasoline combustion.
Innovations
To increase the longevity of the engine installed on the "Java 350-638", as well as the quality of its work, the clutch basket was increased, including the number of discs in the oil bath. The force of the springs is reduced by fifteen percent. Taking into account the innovations in the engine, changes occurred in the rear gear, more precisely in its gear ratio. On this model, the number of teeth on the leading star is seventeen. Motorcycle "Java 350-638" can be equipped with a disc front brake. This becomes an absolute plus in comparison with its drum serial. Also adjusted are the rear shock absorbers of this vehicle. Fans of experimenting choose for themselves an individual, the most appropriate to their style of driving a motorcycle rigidity. With the help of a tachometer it is possible to control the engine speed. At the same time, the optimal torque is considered to be on the revolutions from three to five thousand. For better acceleration, motorcyclists enjoy an increased number of revolutions.