Why is my motorcycle chain loose?

A motorcycle chain that keeps getting loose is usually caused by the rear axle or chain tensioning bolts not being tight enough. It can also be cause by a new chain not being worn in enough, worn down sprocket teeth, having too tight of a tension, or having the wrong size of chain installed.

What happens if chain is too loose on motorcycle?

If the chain is too slack, it can skip over the tooth in the sprockets, This skipping over of teeth leads to uneven transmission of power from the engine to the wheel. As a result, the speed of the motorcycle will unevenly oscillate without any intervention from the rider.

Why is my bike chain suddenly loose?

Your chain might simply be too old or can stretch over time. When this occurs you need to replace it. Consider that your loose chain also may be due to operator error. Exceeding the recommended gear range for the rear derailleur on your bike may lead to a droopy chain when you ride in these gears.

How much does it cost to tighten a motorcycle chain?

Small adjustments of a quarter turn (or less if your chain is only slightly loose) are the safest bet. Measure the slack after every change. When the chain is within factory specifications (usually around 1.2–1.5 inches), tighten the axle nut to keep it from slipping.

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How often should you tighten motorcycle chain?

Too tight is as bad as too loose, but it’ll only take minutes to get it right. You should check and adjust your chain every 500 miles (805 km), and more often for a dirt bike. It’s also a great time to look for kinks or rust, and to give your chain a quick cleaning and lubrication, too.

How loose should bike chain?

The chain should be tight enough that it only allows you to move it up and down about half an inch. If there is no slack in the chain then it is too tight. And if there is too much slack then you need to tighten that chain.

How do you increase chain tension?

To increase tension on the chain of a derailleur, slide the wheel axle toward the rear dropouts making only small adjustments as you go along – you don’t want the chain to become too tight. For each adjustment lower the brake lever and check if you have enough chain tension.

How do I know if my bike chain is too loose?

To find out whether your chain is too long take a look at it from the side with your eyes being level with the chain. A loose chain will sag close to or below the chainstays as the chain hangs between the rear cogs and chainring. The chain might skip as you pedal, or even drop off the gears.

How many miles does a motorcycle chain last?

Don’t clean and lube your chain, replace it more often. It depends on how much rain/sand/grit you ride through in addition to your efficacy and frequency of chain cleaning. I often got 10,000 to 15,000 on a liter bike chain. I often got 20,000 to 25,000 on a VStrom 650 chain with a chain oiler.

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