Chain drive
First of all, let's talk about chain drive. Most of the most common motorcycles on the street today use chain drives. From street cars to sports cars to off-road vehicles, chain drives are everywhere. In the early years, the chain transmission became the preferred transmission method for most motorcycles on the market due to its high transmission efficiency and relatively low design cost at that time.
The advantage of the chain drive is that it has a simple structure and can be used for a wide range of applications. The load on the shaft is relatively small and the chain itself is light in weight, so it has a very high transmission efficiency. Therefore, the performance-oriented public upgraded sports car and all-level off-road vehicles will inevitably use chain drive.
Analysis of the disadvantages of chain drive
First: the chain drive is the sound of the impact between metal and metal, so the noise is slightly larger than the belt drive.
Second: the chain drive is only suitable for the two parallel shafts. If it is a non-parallel shaft, the chain drive is not suitable.
Third: need to maintain frequently, derusting, spraying lubricating fluid, to ensure that the chain is not dead knot and maintain sufficient lubrication.
Belt drive
Secondly, we talk about the most widely used belt drive in the scooter field. The main reason for the scooter to select the belt drive is smooth running, low noise, low installation accuracy, and the mitigation of the sudden load.
For these reasons, those traditional American cruisers also choose belt drives. However, many modified enthusiasts will convert the belt drive into a chain drive, which will extend the life of the transmission system and be full of retro feelings.
Belt drive still has some shortcomings, such as slipping when the torque is output at a high torque, the transmission efficiency is lower than the chain, and the service life is much shorter.
Therefore, those performance cars will not choose the belt drive, because there is a lot of pressure between the belt and the drive shaft, which is more complicated to manufacture than the chain, but the maintenance is relatively simple.
Shaft drive
Finally, we understand the shaft drive. It is well known that most cars are equipped with a drive shaft. This type of transmission is not only highly efficient, but also the most reliable to date.
Many motorcycle transmission systems are also shaft drives, and most BMW models are shaft drives.
There are three reasons for choosing it.
First: It is because the power transmission is the most direct, and the failure rate and maintenance cost are low.
Second: It is influenced by the arrangement of the engine. The shaft transmission can transmit power between the two transmission shafts arranged vertically. It is to make up for the lack of chain drive.
Third: the shaft drive can withstand a greater torque, so many large displacement models that do not pursue speed will use shaft drive.
Of course, the shaft drive also has certain shortcomings, mainly because the drive shaft has a large self-weight and a certain improvement in fuel consumption. But I really like this kind of transmission, what is the added fuel consumption? Am I right!
Which gear oil is used in motorcycle transmission systems?
Some motorcycle transmission systems are mixed and lubricated, and are lubricated by oil. Some motorcycle transmission systems have independent lubrication devices. What oil should be used for lubrication at this time?
Generally, such conditions are lubricated with gear oil. For the working condition of motorcycles, GL-4 85W/90 or GL-5 85W/90 gear oils are generally used. Some motorcycles have independent packaging of motorcycle gear oils, and some are temporarily unavailable in the market. The same level of gear oil is used instead. Generally do not use 85W/140 and 140 high viscosity oil to make it difficult to drive.
Some owners have to save time to use 4T oil, which is not desirable. The lubrication is used to simplify the mechanical system and is lubricated with oil. For the gear, it can have its own independent lubrication system. It is better to use special gears. Lubrication, the effect is better.
In the end, I still want to advise all the friends, whether they are traveling long distances or short distances, regularly maintaining the vehicles, and maintaining the normal lubrication of the various parts of the vehicle is necessary, all for safe riding!
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