Motorcycle chains can be divided into the following types according to their structural form:

1. Motorcycle sleeve chain

2. Motorcycle roller chain

3. Trailer seal chain (oil chain, which is divided into O-type seal chain and X-type seal chain)

4. Toothed chain (silent chain)

According to the use position on the motorcycle, motorcycle chains can be divided into two types: chains used inside the engine and chains used outside the engine.

Most of the chains used in motorcycle engines are sleeve chains. The sleeve chains used in the engine can be divided into timing chains or timing chains (cam chains), balance chains and oil pump chains (used in engines with large displacement).

The motorcycle chains used outside the engine are transmission chains (or drive chains) used to drive the rear wheel, and most of them use roller chains (some specifications of chains, such as 219h or 05ma, are also used as transmission chains). High-quality motorcycle chains include a full range of motorcycle sleeve chains, motorcycle roller chains, motorcycle seal chains and motorcycle toothed chains (silent chains).

Motorcycle O-ring seal chain (oil seal chain) is a high-performance transmission chain designed and produced for motorcycle road racing and racing. The chain is equipped with a special O-ring seal to seal the lubricating oil in the chain and isolate dust and dirt. The chain color can be divided into natural shot peening, gold (copper plating) and silver (nickel plating). Among them, the copper/nickel-plated motorcycle chain is usually copper or nickel-plated on the inner and outer chain plates of the chain, or all parts can be copper or nickel-plated.

Oil seal chain:

This chain is filled with a certain amount of grease in the middle of the pin sleeve, which can reduce wear and extend service life; and due to the sealing effect of the "O" ring, it can prevent mud and sand from entering the hinge pair of the chain.

Correctly adjust the motorcycle chain

1. Adjust the motorcycle chain in time to keep the tightness of 15mm~20mm. Check the buffer bearing regularly and add grease on time. The working environment of the bearing is relatively bad. Once it loses lubrication, it may be damaged greatly. Once the bearing is damaged, it will cause the rear sprocket to tilt, which will cause the side of the sprocket chain to wear at the least, and the chain to fall off at the worst.

2. When adjusting the chain, in addition to adjusting it according to the frame chain adjustment scale, you should also observe whether the front and rear sprockets and chains are in the same straight line. Because if the frame or rear wheel fork is damaged and deformed, if you adjust the chain according to its scale, you will fall into a misunderstanding, mistakenly thinking that the sprocket and chain are in the same straight line, but in fact the linearity has been destroyed, so this inspection is very important (it is best to remove the chain box when adjusting). If you find a problem, you should correct it immediately to avoid future troubles and ensure that it is foolproof.

3. When replacing the sprocket chain, you must pay attention to replacing high-quality products with good materials and fine craftsmanship (generally, the accessories of the special repair station are more formal), which can extend the service life. Do not buy unqualified products for cheapness, especially unqualified products with eccentric and out-of-round sprockets. Once replaced, you will find that the chain is tight and loose, and the consequences are unpredictable.

4. Frequently check the clearance between the rear wheel fork buffer rubber sleeve and the wheel fork and the wheel fork shaft, because this part requires the lateral clearance between the rear wheel fork and the frame to be strictly matched, and the up and down movement is flexible and free. Only in this way can the rear wheel fork and the frame be integrated without affecting the shock absorption effect of the rear shock absorber. The connection between the rear wheel fork and the frame is achieved through the wheel fork shaft, and is equipped with a buffer rubber sleeve. Since the quality of domestic buffer rubber sleeve products is not very stable at present, it is particularly prone to looseness. Once the joint is loose, the rear wheel will shift under the restraint of the chain when the motorcycle starts or accelerates, and the size of the shift depends on the degree of damage to the buffer sleeve. At the same time, the rear wheel of the motorcycle will have an obvious sense of swinging when accelerating or decelerating, which is also one of the important reasons for the damage of the chain sprocket, and more inspection and attention should be paid.

5. Clean the chain and sprocket regularly, add grease in time, and strengthen the maintenance of the chain and sprocket in rainy, snowy and muddy roads. Only in this way can the service life of the chain be extended.