You guys starting another tire thread, LOL? What brand of Moly Paste you using?
Yamaha only states use lithium grease... if you had a Honda (softer splines) you need Moly Paste. What you're also doing in the FJR's case is preventing corrosion, nobody likes a dry spline, and we love to promote the use of moly.
As for wear, the splines are not constantly sliding in and out of each other on an FJR. The driveshaft at the rear end is spring loaded to keep everything at the U-joint/middle gear end fully engaged at all times. The rear end is lubricated with final drive oil.
OK back to your tires... carry on.
IMveryHO on this bike, just about any moly/lithium grease is fine as long as it doesnt go away. The in and out movement concerns me not...every "gear/spline" in the driveline is subjected to the typical leading and trailing and constant throttle forces just like every gear in the tranny. As long as there is some lube on the metal, problems are few. We have a high milage rider over on the NT forum whose Pumpkin to wheel splines were never serviced by his shop during tire changes, dried out completely, and turned to ground up metal. That being said, I started with moly paste on my NT and use that on the FJR.
One interesting theme I see here is front tire cupping...I have heard many explainations why it now occurs. All I know is that if I release the handlebars at 30 mph and the bike front end shakes, I put on a new tire. Cupping can appear, and has appeared, on this bike early in the life of the front tire. Last July, I put on a new Michelin 5 front and after 2500, you can feel the cupping by putting the hand over the tire. The front handlebars dont shake....yet.....
Another caveat....when I was a kid in the 1960s, I would run tires far longer...I was young and dumb and poor. Now, if you take a look at that tire in the pic, it could have gone longer, but I am no longer young, dumb, nor poor.
The rear tire on this bike comes off in 10 min 31 seconds, btw. I took off the panniers and laid out the tools, watched two wheel obsession vid, and started the watch. I like bikes that have easy to remove wheels.