Motorcycle Chains Sizes

Is a #41 chain size the same as 428 chain size?

I’m seeking a sprocket to match a 428 chain size but all I can find is a #41 chain size. Is there a conversion? The chain is from a dirt motorcycle.

While both are 1/2″ pitch, a 41 chain is narrower and has thinner side plates than a 428 chain.

Howto: Replace Your Motorcycle Chain in 10 Mins

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