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Every ATV owner sooner or later faces a breakdown. And it doesn’t matter if you decide to buy an inexpensive ATV or a branded device. Of course, this is an unpleasant situation, but most problems can be fixed by hand. So let's figure out what to do if the ATV does not start.
Constant driving to the limit and improper operation of the equipment often causes a number of breakdowns. Due to high loads, it can fail:
But most often, problems arise due to some trifle, such as low-quality gasoline, lack of oil or improper preservation of equipment.
The first thing a motorist needs to do if the ATV does not start or stalls is to check the gas tank.
If the fuel is idle for a long time, it may evaporate, and if the tank is empty, gasoline should be added. But if there is fuel in it, it is advisable to drain it. Very often, low-quality fuel comes across, which after a while simply ceases to ignite.
Don't forget the oil. If a low-quality liquid was poured into the system, the device will lose dynamics and may even stall. This problem is especially relevant for four-stroke quads, since their power unit must literally “float” in oil.
Another reason why the ATV does not start is improper preservation of the equipment. Even if you leave the device for a day in the garage, it must be prepared for downtime, otherwise starting the engine will be a real test.
Preservation requires:
This takes approximately 5-10 minutes. Many riders ignore this simple procedure, but this is the one that most often causes problems with starting equipment. For example, it is almost impossible to immediately start a “cold” engine. Therefore, the driver begins to methodically press the "start" button, and at this time the battery is discharged. After 10-15 attempts, the battery runs out, and it becomes unrealistic to start the equipment.
Important: In severe frost, it is imperative to carry out conservation of the ATV. If this is not done, condensation will collect at the bottom of the carburetor, and the quadric will have to “warm up” for several days.
ATV won't start due to starter or bad contacts. In this case, follow:
Very often, starter contacts oxidize, so they need to be regularly inspected and cleaned. But what if the Chinese ATV won't start due to problems with the starter in the field or away from home? In this case, the rider needs to close the relay contacts with a screwdriver. Thus, the rider will be able to start the device bypassing the faulty starter.
No spark is another simple but annoying failure. It usually occurs due to damage to the coil or a break in the wires that go to the candle. Solving the problem is easy. The rider just needs to unscrew the candle, insert it into the cap, attach it with a metal part to the motor and press "start".
Even minor downtime can prevent the ATV from starting, especially if it has been improperly preserved. And in order to “reanimate” the equipment after the winter, you should:
Note: In winter or during the cold season, the rider is advised to open the choke to enrich the fuel mixture. This makes it easier to start the engine in cold weather. After the device has started, the damper must be returned to its original position.
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Over time, the system starts to work incorrectly, which increases fuel consumption, worsens dynamics and other problems appear. So how do you adjust an ATV carburetor? The operation and life of the engine directly depends on the quality of the fuel mixture. The carburetor is responsible for the preparation of the composition, but after prolonged use of the equipment, the settings “go astray”. This results in:
The quad becomes "sluggish" and reluctantly picks up speed. In addition, jerks appear when accelerating. Many riders who decide to buy an inexpensive ATV simply do not spare the technique and ignore this procedure. But even if you plan to change your device in 1.5-2 years, adjustment is needed. The reason for this is increased fuel consumption. A quad with an untuned carburetor "eats" 30-40% more gasoline, and these are tangible costs.
So how do you adjust the carburetor on a Chinese ATV? For this you need:
However, it is important to remember that all adjustments are made only with a "clean" carburettor. This means that the rider needs to remove all the dirt from the node and flush the system to remove condensation and sediment from it.
Note: The engine must be warmed up to operating temperature immediately before adjustment.
To set the carburetor idle speed, the float chamber must first be cleared of fuel. To do this, start the ATV, close the fuel cock and wait until the machine stalls (5-10 minutes). To speed up the process, you can take a little ride on the quadric. Of course, gasoline can be drained, but in any case you will have to warm up the device, so the first method of "removing" gasoline is more effective.
Then:
Read the manual before adjusting the carburetor on a 125cc ATV to be sure. Remember that the location of the bolts is different in different devices, so read the documentation in advance.
To evaluate the quality of the fuel composition, make a test run.
After that, unscrew the candle, and evaluate its condition. If it is:
Also look out for these "symptoms": damaged tip (electrode failure), oil deposits (damage to rings and caps), chips and inclusions (sign of motor failure).
To adjust the mixture you need to twist the needle cover and pull it out. To get the needle, pull out the cable. After that, move the ring in the required direction (lower - more air, but less fuel and vice versa).
