How loose should motorcycle chain be?

1.2–1.6 inches (30–40 mm) is typical for streetbikes, while dirt bikes may need 1.4–2.0 inches (35–50 mm) of slack. Step 4 To adjust the drive chain, loosen the axle nut a couple of turns . If all you have is a short wrench, you can stand on it to get the nut loose.

Are bike chains supposed to be loose?

Check your chain out. It should be tight enough that it only allows you to move it up and down about one inch. If it is sagging or much looser than that, you need to tighten that chain up. Chains often loosen when a bike does not have a derailleur.

What happens if your bike chain is too loose?

When it’s loose, the rate of power transfer drops, and you aren’t able to propel the bike forward. A bike chain can fall off completely, but oftentimes it only becomes loose. If it isn’t too loose, you can keep cycling until your destination and then tighten it.

Can you ride a motorcycle with a loose chain?

you can ride on it until it falls off the sprocket, locks up your back wheel, and throws you off putting you into a hospital bed. up here if you have a loose chain, they’ll fail you for safety and you won’t get your license.

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Why is my motorcycle chain tight and loose?

Really sounds like your chain has a tight spot, or rather a stretched spot, and you’ve tightened it at it’s loosest position, making it way too tight at the tightest position. Try to get a compromise between the two.

Can you use WD40 on motorcycle chain?

If the chain is wet using a water displacing lubricant like WD40 is better than proper chain lube. It will chase the moisture out instead of sealing it in. In dirty conditions you do not really want sticky lube on the chain rollers where it contacts the sprockets. … Lube the chain before you wash the bike not after.

How tight should a single speed bike chain be?

Chain Tension

There should be approximately one half inch of movement in the chain up and down at a point half way between the front and rear sprockets. To change the tension loosen one of the axle-nuts and move the wheel forward or backward slightly and snug it up again.

Why do bike chains fall off?

It might be that the chain is worn, has a stiff or bent link, or has become clogged up with dirt. A visual inspection while turning the cranks should reveal if there’s a problem here. The chainring, or a chainring tooth, could be bent. Again, a visual check will tell you what you need to know.

When should I replace my bike chain?

Anything at or beyond the 0.75 percent reading means that you should change your chain immediately. If you are using a chain designed for ten or fewer gears, replace your chain as it nears the 0.75 percent mark. If you are using an eleven or twelve speed chain, replace your chain once it has reached 0.5 percent wear.

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How much does it cost to tighten a motorcycle chain?

The local dealer charges $25 for a chain adjustment (that includes a cleaning and lube).

Will a loose chain cause loss of power?

A tight chain and a loose chain will both lead to problems. A tight chain will increase friction on the chain and sprockets, leading to greater power loss in the drive train and excessive wear.

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