No.... that video will cause someone to crap some gears. OMC housings are precision machined so the only setting you can adjust is pinion height. There is no shimming of forward and reverse gears so any backlash adjust is thru pinion height. Also there is no backlash spec as referred to in...
The click you hear is when the air motor check valve releases the diaphragm and diaphragm returns to position to start new cycle....disconnect onboard tank wiring to eliminate float sender
I have found no matter the seller, if it has phillips head screws they are chininesem pumps. And you cannot interchange a OEM fuel pump rebuild kit as they dont fit. I had several customers do the conversion and all but one had problem with them.
Part# for needle is 396522 and kit is 396701. This needle and kit has been used since 1969 . Only other needles are the 387262 and 396522. Got a pic of needles?