China Motorcycles Suppliers,Electric Bikes and Agricultural Appliances Manufacturers

When do you need to change the oil? In fact, in theory, as long as the engine oil is not lacking, the engine is able to operate normally. If the oil is used for too long and the mileage is too long, the quality of the oil will drastically decline and the amount of oil will decrease slightly. At this time, the effect of the oil will be weakened. Therefore, for the sake of safety, regularly change the oil to maintain the required coursework of the motorcycle.

In general, the newly-purchased motorcycle needs to replace the engine oil three times at 300, 800, and 1500 KM within the first 1,500 KM to ensure sufficient running-in of the mechanical components.

After the running-in period is over, it is recommended to change the oil every 1000-1500KM or every 3-6 months (based on different engine design, different speeds and different wear, different types of oil change, etc., please refer to the manual for specific figures given by each manufacturer. ).

The oil should be replaced in strict accordance with the mileage and time as the standard to replace, that is, the mileage to the time not to be replaced, the time is up, the mileage has not yet to be replaced, to ensure the normal and reasonable operation of the engine is essential!

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A.Cooling and Cooling Effect: The friction between metal mechanical components, coupled with the motorcycle engine is the process of converting thermal energy into mechanical energy, during which the mechanical components will be rapidly heated, in addition to circulating water or wind to ensure that the metal components are safe Outside the temperature, the circulating oil will also take away the heat on the friction and heat components, and then circulated to the oil pan for cooling, after the oil filter is recycled to the key parts of the friction and heating, so cycled again to reduce the temperature of the parts;

B.Cleaning and cleaning effects: Friction between metal parts can easily cause a lot of metal debris and debris. If these debris and debris remain on the surface of the metal parts, it will increase the friction coefficient sharply and increase the abnormality of the mechanical parts. The chance of wear, if there is a clean circulating oil on the surface, the flowing oil is like a high-pressure water gun washing the ground to carry away the dust and take away the metal debris and debris on the surface of the mechanical parts, and always guarantee the surface of the mechanical parts. clean;

C.Anti-corrosion and anti-rust effects: We know that metals are prone to oxidative deterioration, rust, and other corrosion phenomena under the conditions of high temperature, high pressure and high oxidation, and the oil can form a layer of oil film on the surface of metal parts. Isolation prevents rust and other corrosion phenomena from occurring. This principle and our usual household wok must be heated and greased with pigskin.

D.Sealing effect: Mechanical movement between metal parts, sometimes with poor fit, easily leaking or poorly fitting, etc. Oil is allowed to travel in the oil film and circulation on the surface of metal mechanical parts, so that gas cannot be worn The place where the mechanical parts penetrate the metal can achieve the sealing effect.

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The role of motorcycle oil on motorcycles:

1. Lubrication and anti-friction effect ---- I believe we all know that the slogan "more lubrication and less friction," will increase the friction between mechanical parts, and the metal between sharp movements will increase Worn pieces.

Therefore, if there is lubrication of the oil, the oil forms an oil film between the surfaces of the moving parts, and the friction between the mechanical metal parts will be drastically reduced, thereby protecting the metal parts from abnormal wear and extending the life of the parts. ;

2. Vibration reduction and noise reduction—If dry friction occurs between metal parts, besides wearing parts, it will also produce harsh noise, just like the friction between two new kitchen knives.

If the oil film on the friction surface has not only reduced the friction, but also reduced the noise caused by friction between components, so many consumers feel that the noise of the engine is lower than before the replacement of the new oil. Some of this is the truth.

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The maintenance work centered on the breakdown of three-wheeled motorcycles for inspection and removal of hidden dangers is called three-level maintenance. The three-level maintenance is generally performed after 6000-10000 km, and it is best to check at a special service station.

A. Decompose the engine, remove the carbon deposits at the cylinder head, piston crown, piston ring, exhaust port, etc., check the gap between the piston and the cylinder wall, the connecting rod small head bearing and the piston pin, the big head bearing and the crankshaft pin, check The amount of bouncing of the left and right crankshafts, etc.

B. Decompose the clutch, check the free length of the clutch spring and the thickness of the friction plate, replace the spring or friction plate if necessary. Check the transmission gear for cracks, ablation, flaking, and severe step wear.

C. decomposition of the direction of the column combination, clean the direction of the column bearing, add enough grease, after the installation of complex adjustment gap.

D. Disassemble the front shock absorber and check that the free length of the front shock absorber spring meets the requirements and replace the front shock absorber oil.

E. Check the generator, starter brush and commutator wear, if necessary, be replaced.

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