Why not repair it like I did? I used a SSR sidestand and added an extension. I also increased the size of the hole from m10 to m14.

https://photos.app.goo.gl/39DMuqPP86gPxLFHA

Nevermind lol

1. How many miles are you planning on riding? Because, those 7500 mile valve adjustments arent cheap. I would lay out a four year plan on what you plan on using it for, what trips, how far, etc. Maybe, calculate out maintenance for all the bikes and that should play a major role

2. I would expand ...

The service intervals are 15,000 miles, which means that you're due for the major service interval at 45,000 miles. That service interval will likely cost you $1200. With those number of miles, I would also check the bearings, because if the rear hub needs their bearings replaced, then you have to ...