I just bought the service manual to my 2013 Sportster 72 and can't find the size of the fork cap 45996-87. I have read in this forum it is either 35mm/1 3/8". My question is does the service manual specify the actual size of the fork cap? or does it just give the part number? If it is in the manual what section is it under? I have looked for over an hour but cannot find it.