Sorry no pics as I was in a hurry when I did the bikes. Had a ride the following morning and was getting them done around 11:30 pm the night before. I can give a few tips and helpful info though.
1)The template Harley includes you have to cut out yourself. It is very thin paper. I would suggest after you make it transfer or copy it over to a small scrap of thin flat plastic if you are going to be doing a few of these. I have one I made just for doing these in the future.
2) This is really a very easy job to do. The aluminum for the inner primary is fairly soft and very easy to cut through with a couple of sharp drill bits. I made my pilot hole with a 1/4 inch bit and then stepped up to the final size. My final thought on this is use a good (sharp) drill bit. It will make the hole nice and clean.
3) I didn't have any problems with metal chips getting into anything. I covered up the clutch basket with a old plastic bag, then I taped a blue shop rag under the area I was drilling through to catch anything that could have fallen into the primary as well. A slow cutting speed on the drill will keep from throwing chips everywhere.
4) The vent tube I pulled through using some long needle nose pliers.
5) After you get everything back together and torqued to spec I used some compressed air and cleaned off the back of the primary. You don't want any metal shavings getting onto the drive belt etc.
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Last edited by BigBlockBobby; 06-22-2019 at 04:12 PM.