The North is experiencing cold days and record low temperatures. Many motorcycle users encounter the phenomenon that the car is difficult to start in the morning. The tips below will make it easy for you to handle it and treat it as “just a small matter”.

The reason is difficult to explode

Những mẫu xe máy đang được giảm giá nhiều - Xe máy

Many motorcycle users in the northern region have encountered this phenomenon: on winter mornings, taking the car to work, but it never starts. Successive starts, pull “le”, turn off the key stomp the start lever but still “give up”. Most people understand at first hearing that this is because of the cold weather. In fact, for motorcycles, especially Yamaha motorcycles, this is a fairly common phenomenon. There are many reasons why motorcycles are difficult to start on winter mornings. It can be explained that when the weather is cold, the evaporative capacity of the fuel decreases, making the mixture of fuel and air often less dense (poor gasoline) than when the engine is hot or the weather is warm. Therefore, the ratio of air to fuel at the carburetor directly affects the car’s starting in cold weather”.

In some cases, the amount of air in a car engine can condense into small droplets in the carburetor and fuel lines when the weather is cold or humid. As a result, the amount of air needed to meet the vehicle starting process is insufficient, creating a difficult breakout situation.

Not only that, the amount of condensed water can clog some fuel lines or affect ignition and quickly create soot at the spark plugs. Some motorcycles are now equipped with vacuum-type safety air locks that keep gasoline from going down into the carburetor when the engine is turned off. As a result, these types of vehicles tend to be more difficult to start in the winter.

Thus, the cause of motorcycle difficulty starting in winter often originates in the carburetor and is accompanied by an affected ignition zone”. How to fix it?

Many manufacturers and auto mechanics suggest that to overcome the problem of difficult car starts, don’t be afraid to take your car in for regular maintenance during the cold season, focusing on cleaning the spark plugs while getting the carburetor adjusted so as not to affect the engine’s durability and fuel consumption.

As for how to adjust the carburetor, the first thing to do is to put the car on the center stand. Use a screwdriver to screw both the fuel screw and the air screw to the bottom. The fuel screw is the one located directly below the air cylinder, and the other is the air screw. Let the engine run for about 5 minutes to warm up. Then release the throttle. Slowly loosen the windage screw in a counterclockwise direction. At first the engine will “pop” (due to excess fuel) and you will have to adjust so that the hum goes away and then memorize the position of the air screw. When you have memorized the position of the air screw to help the engine run smoothly, continue to loosen the air screw.

At this point, the machine will howl, and the looser it is, the louder it will howl (due to lack of fuel and excessive wind). Remember the maximum speed position of the machine. You screw the air screw in the position between the two points you just remembered. This is the most logical point for the carburetor to take air. Finally, you gradually loosen the fuel screw in a counterclockwise direction until the engine is stable, the car does not vibrate, it does not stall, and the explosion is over.

In addition to aligning the carburetor to get enough gas and air, some starting tips are worth keeping in mind. For popular models, the best way to start it every morning is to turn it on. (also known as air and usually located below the horn) fully open, but do not turn the throttle, as this will increase the amount of air entering and reduce the density of the mixture.

Start by pushing the start button or by depressing the starter lever. If you start with the start button and the machine does not explode, you must restart it after 10 seconds. Do not hold the start button for more than 3 seconds at each start (damage the battery). When the engine starts, slowly close the lever until the engine heats up and there is a steady blast, then it is ready to go. Performing the above process correctly is the right way to use the engine, creating high performance and increasing the durability of the engine.

For scooters, before starting the engine, turn on the ignition, turn the throttle a few times (for scooters only, not for geared vehicles), and then press the starter. This action helps the gasoline-air mixture to fill the pipes and go down the combustion chamber. As for starting operation, let go of the throttle completely and then press the key. If you pull the throttle while pressing the starter, the gasoline-air mixture will thin out, making the engine harder to start