If you blindly warm up, you may also hurt your car.
Motorcycle warming benefits
The preheating of the motorcycle can reduce the fuel consumption. The relative optimal state of the carburetor adjustment is that when the idle speed is in the hot car, the engine speed is the lowest and will not be extinguished. The throttle is increased and decreased, and the engine speed can be quickly and smoothly operated accordingly. When the cold car starts, it will be turned off due to the low speed. If the driving is not strong, there will be a phenomenon of "poor oiling performance" or "insufficient oil supply", but the idle speed must be adjusted to the standard.
Whether a motorcycle is fuel-efficient is closely related to the degree of atomization of the fuel. The better the atomization, the more complete the combustion and the lower the fuel consumption. The temperature of the combustion chamber after preheating is high, and the combustible mixture entering the combustion chamber is further atomized by its volatility, so that the fuel can exert higher efficiency. In an engine that is not preheated, there is almost no such "further atomization" effect.
Therefore, the concentration ratio of the carburetor of the motorcycle that can be normally driven without preheating is adjusted to be relatively large. When the engine is hot, the mixture becomes too thick again, causing a large fuel consumption.
When the carburetor is adjusted to the best condition, the mixture of the cold car is balanced, and the motorcycle can not immediately drive normally, showing the phenomenon of poor fueling performance. When the car is preheated, the temperature of the combustion chamber rises and the gasoline volatility is enhanced. The atomization effect is enhanced, and the car is reproduced as normal at this time. This is relative to those cars that do not need to be warmed up, and they are based on the fuel consumption of the lower gear, so it will save fuel.
This state also reminds the driver to warm up the vehicle, which not only burns the patience, but also serves as an insurance for the maintenance of the vehicle.
The correct way to warm up
When the motorcycle is warming up, it should be carried out at idle speed or low throttle speed. When preheating, it can be combined with the damper and throttle to maintain the preheating without preheating. The warm-up time should not be too long. When the engine is a little warm, it can also be pulled first. The damper (to prevent the flameout) starts slowly for a while at a low speed. On the way, depending on the stable operation of the engine, the damper is gradually pulled back. Do not flood the throttle when warming up, which will increase the wear and tear of the engine and may even cause serious malfunctions.
Usually, the viscosity of the oil in summer is reduced, and the time of the hot car is 2 to 3 minutes. In winter, the viscosity of the oil becomes larger and the time for warming up is a little longer, which is 3 to 5 minutes.
After the warm-up action, drive at a speed of no more than 40km per hour for about 1km. The purpose is to let the engine reach the working temperature and keep the car at its best.
Therefore, preheating the motorcycle is a necessary process. No matter how stable your car's idle speed is, do not use idle stability to determine whether the hot car is completed.
The engine speed should be controlled between 1500-2000 rpm when the motorcycle is warming up. Especially the old car of more than 10,000 kilometers, because the oil pump inside the old car engine is worn. The idle preheating oil is not delivered to the lubricated parts.
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