# What size is my motorcycle chain?

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Chain width is measured in eighths and sixteenths of an inch. Motorcycle and ATV chains have a width number of either 15, 20, 25 or 30. If the distance between the two inner plates in a link is 3/8th of an inch, the chain has a width number of 30. 15 width: Measure 3/16” between the inner plates.

## How do I know my chain size?

Go-kart chain numbers take the first letter from the pitch. And the last 1 or 2 digits from the roller width. For example a 420 chain has a pitch of 4/8-inches and a 520 chain has a pitch of 5/8-inches. To start measuring your chain size you need to start at the sprocket.

## How can you tell the difference between a 520 and 525 chain?

The 5 part just describes the distance between the centers of the link pins (or wherever on the links, basically how long a link is) and the next two numbers describe the width of the chain. So a 520 chain is going to be narrower than a 525(and thus require a narrower front and rear sprocket) and lighter…

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## What does a 520 chain mean?

A 520 chain has a 5/8th inch pitch and a width of 1/4″

## What size is 415 chain?

#415 chain is also known as #43, 083, and 1/2″ x 3/16″ chain. #415 chain has a 1/2″ center to center spacing between each pin, a 3/16″ spacing between inner links, and is approximately 7/16″ wide. Heavy-Duty #415 chain is best suited for motorized bicycles and tricycles, freight bicycles, and heavy-duty tricycles.

## What size is 08B chain?

08B Roller Chain dimensions – ISO R606

Chain No. DIN P x W Width W (mm)
08B-1 1/2 X 5/16″ 7.75
08B-2 1/2 X 5/16″ 7.75
08B-3 1/2 X 5/16″ 7.75

## What size is 40 chain?

Chain standards

Size Pitch Maximum Roller Diameter
25 0.250 in (6.35 mm) 0.130 in (3.30 mm)
35 0.375 in (9.53 mm) 0.200 in (5.08 mm)
41 0.500 in (12.70 mm) 0.306 in (7.77 mm)
40 0.500 in (12.70 mm) 0.312 in (7.92 mm)

## Can I use a 520 sprocket with 525 chain?

520 and 525 chain are identical apart from the width of the rollers so you will not have any problems with it.

## How long does a 520 chain last?

525 or 520 is good for racing, but for long haul riding, I’d go to a chain and sprocket conversion to a 530 RK X Ring chain. You’ll get at least 20K out of that.

## What is the difference between a 530 and 520 chain?

A 520 chain is a smaller pitch chain. Pitch being the distance between rollers. The 520 is a lighter weight chain than the 530. That is why people switch to the 520, but it may not last as long as a 530.

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## Is 50 chain the same as 520?

A #50 chain IS a 530 chain. … Larger dirt bikes, dual sports and ATV’s are generally a 520 chain. Street bikes more commonly are a 530, smaller displacements may use 525.

## How often should motorcycle chain be replaced?

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 will last 20,000 to 30,000 miles, sometimes more. But, some last as little as 5,000 to 10,000 miles.

## Will 40 chain fit 420 sprocket?

The pitch will be the same but a 420 motorcycle chain is narrower than an ANSI 40 or 41 chain, so no it won’t fit.

## Is 420 chain the same as 41?

#420 will have more strength than the #41 chain because the side plates will be taller. #40 will be the beefiest chain in this class. This will help with thicker sprockets since there is more room between the side plates. #41 will look just like the #420 chain, but will stand shorter.

## Is 41 chain the same as 410?

The #41 chain is a strong alternative chain that replaces the 415 & 410 motorized bike chains. … Most engine kits come with a 5 foot chain…

## Will a 428 chain fit a 420 sprocket?

You can probably use the 428 chain on the 420 sprockets. Not the other way around though. 428 sprockets are too thick for a 420 chain. Depending on the sprocket cut.