Thanks barnone. I ended up ordering in a Battery Tender LiFo battery... the smallest one they make. Looks similar to the Shorai, about the size of a transistor radio. It started my Triumph Bonneville as well as the Yuasa YTX12-BS. Amazing. I ended-up cutting some scouring pad sheets to line the battery box so only the +12 terminal was exposed at the LH cutout. I've since found some foam rubber to line the box. I also added a charger pigtail.

Today I swapped the main jet from the 120 found in the carb to a 125. I really cannot say I felt a difference.

/M