A design of exceptional engine. Directly resulting from automobile technology, this engine profits from all the experiment of the 1,6L of Honda Civic. Product in great series and having an incomparable experience feedback, its reliability contradicted forever during time. This reliability of design doubles of a reliability of use thanks to the electronic safety measures of series. Beyond reliability, the special design of the BF90 provides a very great comfort thanks to the driving wheel located at the base of the driving head, which guarantees balance and flexibility of operation. The axis of transmission shifted reinforces this balance by reducing a little more the vibrations.