2012 BMW K1300S 2012 BMW K1300S 4-stroke in-line 4-cylinder-engine. four valves per cylinder. 2 overhead camshafts 1293cc 80 mm x 64. 3 mm 13. 0:1 Water-Cooled Electronic intake pipe injection/digital engine management with knock sensor Electronic Electric Constant mesh 6-speed gearbox Shaft drive NA 62. 4 in. 32. 3 in. BMW Motorrad Duolever; central spring strut Cast aluminum single-sided swing arm with BMW Motorrad Paralever Twin disc. floating brake discs. diameter 320 mm. 4-piston fixed calipers Single disc brake. diameter 265 mm. double-piston floating caliper 120/70ZR-17 190/55ZR-17 5. 0 gal. 560 lbs. (Wet)