The carburetor is one of the most important systemsmotorcycle. On the correctness of its operation depends on the performance of the vehicle itself, as well as the longevity of its functioning. Therefore, when selecting this element of the system, drivers pay attention to the device and the principles of its setting.
If available on a motorcycle carburetor K-68 do the adjustment yourselfnot difficult. At the same time, the engine will start quickly and the revs will be stable. The engine will start to receive a mixture of gasoline and air in the correct proportion.
Carburetor K-68 "Pekar" in great demand among ownersmotorcycles of domestic production. The presented equipment is produced by the plant in St. Petersburg, LLC Fuel Systems. Production was focused on domestic machine-building enterprises. The main consumers of their products were VAZ, PAZ, Gazel, Volga, etc.
The series of carburetors "Baker" included devicesfor cars, as well as motorcycles. This equipment is a new generation. Differences consist in the design and functional characteristics of the carburetors presented. Also among motorists, they are known for their efficiency. Therefore, the demand for the presented devices has not decreased for many years.
Correct adjustment carburetor K-68 allows you to reduce the consumption of gasoline to 20%.This significantly improves the performance of the motor. Carburetor presented series, according to reviews of experts and consumers, is characterized by good performance. Acceptable cost makes the products presented competitive. Therefore, carburetors K-68 are in great demand today.
Choosing carburetor on the "Ural", "Dnepr", IZH and other brands of domesticmanufacturers of motorcycles, most users prefer the K-68 model. And buyers are trying to purchase exactly the original equipment manufactured by the above-mentioned plant.
Correct work depends on carburetor workengine in different modes. Therefore, when preparing a fuel mixture, it is required to withstand a certain proportion of air and gasoline. Violations in this system cause failures in other systems and mechanisms. Therefore, the driver must control the ratio in the mixture of fuel and air.
In order for the process to proceed correctly, you needensure correct adjustment of various devices. First of all, the main dosage system belongs to them. Also requires attention during maintenance of the starting device and the mechanism of maintaining a certain level of fuel. The driver, in addition, performs idling.
Adjusting the carburetor K-68 can begin with a fuel level checkthe float department. To perform this procedure, you must prepare the necessary tool. With it, you need to dismantle the carburetor. Further, the lid is removed, which closes the float chamber.
Carburetor must be turned over.Floats will now be on top. The owner of the motorcycle must measure the distance from the upper edge of the floats to the edge of the body. Ideally, it will be 26 mm. The deviation in both directions is allowed to be 0.5 mm. If the indicator does not correspond to the standard, it is necessary to correct the position of the floats. To do this, the tongue needs to be slightly bent.
The floats should also be parallel. If this is not the case, they are bent by the bracket.
Adjusting the carburetor K-68 also implies an assessment of externalkind of candles. To do this, you must drive at least 30 km on the highway. In this case, the speed should be medium or high. After that, you can study the candles. If carbon deposits form on them, this indicates an insufficient amount of air in the fuel. It is a rich blend.
It happens that the isolator is completely white. This indicates a poor fuel mixture. Normal color of candles is in the range from red-orange to sand color. If so, then single-chamber carburetor do not need to configure.
Starting from the resultsthe driver decides on further actions. Sometimes you only need to adjust, but sometimes you may need to clean the carburetor. In this case, the device is completely dismantled, dismantled and washed.
Checking carburetor K-68 requires attention to the shut-off valve. It is also called a needle. If the valve is leaking, the gasoline level in the mixture may rise. This results in a rich mixture.
The carburetor needle valve K-68 may haveits design rubber cone or ring. To check the status of this item, you must remove the cover at the bottom. It is attached to the body with two bolts. When removing fasteners it is necessary to ensure that they do not damage the gasket.
Next, remove the float.To do this, gently squeeze his rod out of the grooves. The needle may fall out. Therefore, it is necessary to monitor it in order not to accidentally lose such an important element. If the rubber ring or cone is worn, they must be replaced. The needle should also move through the saddle without crashing.
Adjusting the carburetor of the motorcycle "Ural" with certain skills it can be done withoutremoving the block itself. Due to the nature of the installation, it may be difficult to dismantle. The carburetor in this motorcycle is located on the cylinder heads at an angle to both the horizontal and vertical plane.
To make the adjustment, you will needfloat from the same device. Motorcycle must be mounted on the stand. Next opens the benzokran. Need to wait some time. Carburetors fill with fuel. Then the benzokran is closed. The hose is disconnected from the carburetor.
Bottom cover filled with gasoline is necessarytake off. In it the spare float falls. The cover should be leaned against the body so that their planes become like a continuation of each other. The fuel level should be under the rim of the lower corner of the cover. If this is not observed, you need to bend the tongue.
Adjusting the carburetor of the motorcycle "Ural", "Dnepr" and other vehicles firstperformed at idle. To do this, you need to warm up the engine. Further on idling it is necessary to establish steady turns. To do this, rotate the horizontal screw, which is rotated with a screwdriver.
Further the screw of quality is adjusted.This also requires an appropriately sized screwdriver. It is necessary to find the vertical screw. When setting it is necessary to catch the moment of increasing the number of revolutions to the maximum level. This action is repeated to establish a stable engine idle.
Check the settings can be closedand the opening of the throttle. If you give a harsh gas, if the setting is incorrect, the motor will stall. This means that you need to tighten the screw (to enrich the mixture). When the damper closes abruptly, the motor stalls due to too rich fuel mixture. Screw need a little turn.
Adjusting the carburetor K-68 also requires adjusting the dosingneedle and its position. It is necessary to drive a motorcycle for some distance. On the direct part of the route, you need to evaluate how the vehicle responds to the throttle grip. If weak, the needle is lifted up one notch. If after the trip the candles are with soot, it is lowered.
This setting will ensure stableengine operation at medium speed. They are most often driven by drivers. To adjust the carburetor at maximum speed, you need to choose the right cross section of the nozzle. Only it works with the throttle knob all the way out.
Having considered the principles of configuration and maintenance carburetor K-68, every owner of a domestic motorcycle canset up by yourself. The correctness of this process depends on fuel consumption, as well as the operation of the main vehicle systems.
