I have 4 bikes, a 75 Norton Commando 850 MkIII, 68 Triumph Bonneville, 69 BSA 441 Victor Special and a USMC M1030M1 diesel. I took each one for a short 20-minute ride today, just to exercise them. The weather was perfect. The M1030M1 was the last bike I rode. I was having so much fun on...