The engine displaces 1,254 cc (76.5 cu in) with 102.5 mm bore × 76 mm stroke. The intake camshafts have two cam lobes per valve that can be switched within one cam revolution between partial-throttle and open-throttle cam profiles. Power and torque claimed by BMW are higher than the predecessor model at 134 horsepower (100 kW) at 7750 rpm and 105.5 pound force-feet (143.0 N⋅m) at 6250 rpm, with 4% better fuel economy.
What horsepower does a BMW 1250GS produce
The 2018 model of the 1250 GS produced 134 peak HP.