Nice scooter! I ride a V-Star 650 as my daily vehicle. I carry my pt709 at 16h00 IWB (RHD) in a Shepherd Holster Concealed Mini. It's concealed under my riding coat. As I'm in Texas, concealed carry is the name of the game with handguns. I don't plan on being in a position where I have to draw while I also need to be throttling--I'll just pull over if something like that arises. While I have over 22,000 miles (since 2013) on the bike, I'm neither that good of a rider or a marksman. I used to carry at appendix, but that was just too painful with my longer barrelled SD9VE. It dug into the bend of my leg. I'd imagine my pt709 might be more comfortable in that regard, but I don't have an AIWB holster for it yet.
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FYI, the picture is overlooking Junction, TX. It's sacred ground to Texas Aggies (look up the Bear Bryant and the Junction Boys). It was part of my "Texas Triangle" Tour (solo) last summer: Dallas-Rio Grande Valley-I20/I10 Merger-Dallas.