Up for sale is a new Honda rear sprocket part No 41201-KA3-701 it'll fit CR125 rc 82 CR250 82-83 CR450 82-83 and CR 480 82-83 These are NON GENUINE steel . Pitch is 520
I have these in 53- 54 tooth black in colour $12ea postage witih aust $9.90 if interested send message