With the relaunch of KTM 125 Duke, the Austrian motorcycle manufacturer is presenting its first engine to feature gasoline injection technology from Bosch.
Bosch is supplying the injection system for the single-cylinder bike; this system is controlled fully electronically. The advanced single-cylinder bike, which boasts 125 CC displacement, a sophisticated DOHC four-valve cylinder head and liquid cooling, delivers 11 kilowatts (15 PS) at 10,500 rpm. The maximum torque is 12 Nm at 8000 rpm. There are also plans for a 200-CC version to follow in the future for the Asian market. The performance characteristic of the 1/8-liter engine is adjusted to ensure that bike does not come up short in terms of driving pleasure. The strengths of the power unit in the 125 include spontaneous response behavior and pronounced speed for short bursts. An integrated balancer shaft ensures the engine runs smoothly. Bosch is also providing the EV14 injection nozzle, as well as the engine management system (EMS). Thanks to the advanced injection technology, the four-stroke engine sets itself apart with its low consumption levels and uniform power characteristic. A regulated catalytic converter ensures low emissions, enabling the KTM to meet the Euro 3 standard that currently applies to motorcycles.
Other components from Bosch
In addition to the engine control system and injection nozzle, Bosch is also providing the KTM 125 Duke with the fuel pump with pressure regulator, position sensor for the throttle valve and sensors to measure the intake air temperature and pressure, as well as the lambda sensor and spark plugs.