click here to see discussion thread. Here is the message that has just been posted: *************** Heres the plate hole counts for a 40:1 head. # 1) 15, 16, 17, 18, 19, 20 2) 21, 23, 27, 29, 31, 33 3) 37, 39, 41, 43, 47, 49 *************** O.K. From my B&S one, which has somewhat smaller plates (largest number of holes is on the outside row): Plate #1 #2 #4 Row == == == Outer 20 33 49 19 31 47 18 29 43 17 27 41 16 23 39 Inner 15 21 37 The first plate is 20, 19, 18, 17, 16, 15. The second plate is 29, 28, 26, 21, 20, 16. The third plate is 61, 59, 49, 44, 39, 33.