Thank you for the confirmation of Dan's dimension for the RD. I found out they were different when I needed to get the flywheel off my RDE-16. I had made a puller for the smaller motors already and it didn't fit the RD flywheel. I used hole transfers to mark the locations for the puller holes, so I had never measured either of them even though I have made pullers for both. I'm trying to draw up part of another device I'm working on while I'm at work and away from my motors. I will put both hole patterns in so I can use it for either size flywheel. I'm in complete agreement that the reason OMC uses slots in their puller is due to the different BC sizes for different size engines. I would rather not slot my holes for this application even though I'm sure it would work fine. It is more setup time for me and I have room for both patterns.
YouTube handle: Old JohnnyRude