Question: Why do motorcycle chains stretch?

A loose chain can cause serious wear and tear to your bike and lead to needing to replace the sprockets and chain. … However, old chains will begin to see significant stretch. This “stretch” is actually just the wearing down of the pins and bushings.

What causes motorcycle chain to stretch?

Another highly significant factor in chain stretch is the accumulation of dirt particles between parts of a chain. These particles form a paste with existing petrochemical lubricants, and they will cause pins, rollers, and bushings to lose material rapidly, again resulting in an overall elongation of the whole chain.

What causes a chain to stretch?

Its elongation is caused when material is removed from the pins and bushings. The individual joints in a roller chain articulate as they enter and leave the sprockets. … This articulation results in wear on the pins and bushings. As material is worn away from these surfaces, the chain will gradually elongate.

Do bike chains stretch over time?

Do bicycle chains really stretch? The short answer is no, however they do wear in such a way as to cause their maximum length to increase. Mechanics usually refer to this as chain “stretch.” It is the sign of a worn out chain that should be replaced.

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How much will a new motorcycle chain stretch?

A chain will naturally seem to stretch as you ride, but it should never stretch to more than 2 percent. If you’re experiencing significant stretch with a new chain, contact the manufacturer.

What happens if motorcycle chain is tight?

When a motorcycle chain is too tight, it’ll put stress on several components of the bike and cause the sprockets to wear faster, make the engine work harder, and cause the suspension to be tight and uncomfortable. Ultimately, a tight chain on a motorcycle may break leaving you with no power.

How do I stop my timing chain from stretching?

It is important to have your vehicle serviced regularly for oil changes—every 5,000 miles and with the correct oil. Doing so is the best preventive maintenance of timing chain stretch and hop.

How often should you replace motorcycle chain?

Most manufacturers recommend lubricating the chain every six hundred to a thousand miles, but this will be highly variable depending on where you ride and what the typical weather conditions are for you. The quality of the chain and even some bike variables enter into this so there’s really no one good answer.

How long do chains last?

A chain can last anywhere from about 500 miles to 5000, depending on the quality of the chain, the sprockets, how the bike is ridden, and the maintenance. I clean my chain about twice a year, whether it needs it or not, and I get about 2000 miles out of mine. Standard quality SRAMs.

How often should I lube my bike chain?

Bicycle Tutor recommends cleaning and lubricating your bike’s drive chain at least once every month to maintain optimal performance and protection. The chain and drivetrain are typically the dirtiest parts of your bike, and this dirt is bad news for bike longevity and performance.

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How do I know if I need a new bike chain?

Another ballpark method for checking chain wear is by measuring it with a ruler. Pick a rivet and line it up at the zero mark. Count 24 more rivets and your last rivet should be at the 12″ mark of your ruler. If it is off by more than 1/16″ your chain is stretched to the point of replacement.

What is the life of a motorcycle chain?

But chains wear out over time and need replacing. So, how often should a motorcycle chain be replaced? In general, a properly maintained motorcycle can last 20,000 to 30,000 miles, sometimes more. But, some last as little as 5,000 to 10,000 miles.