How to service the sprockets & drive chain on your 1997-2001 Honda CR250 dirt bike. Try to change your sprockets and chain as a set. A new chain with old sprockets will shorten the life of your chain!
Your front sprocket will need a new O-ring, Part Number: 91201-ML3-873 and you can get it HERE.
Your chain master link is a press fit, so you will need a chain breaker. You can get yours HERE.
You may not need to install a replacement chain and sprockets, but there’s only one way to find out!
While you’re are it, learn how to change the rear bearings on your 97-01 CR250!
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