http://epc.brp.com/Index.aspx?lang=E...2-6539c284a652
Go here and you'll find an itemized parts break down with diagrams. You will need to know the year. Eg. a J4r75 would be a 1975. Hope this helps. I really don't understand your question completely but I have serviced a few of the 4HP recoils. Rick.
Glad to help. If you need more help don't be afraid to ask or you can go to Iboats.com and go the johnson/evinrude forum and post a question there. Lots of good repairmen who are very willing to share their vast knowledge. Rick.