This new engine features several innovations , including the use of an unbalanced flywheel to shift the inherent three - cylinder imbalance to the horizontal plane where it is more easily managed by engine mounts .
This new engine so remove the need to use balancer shafts .
This new engine features several innovations , including the use of an unbalanced flywheel to shift the inherent three - cylinder imbalance to the horizontal plane where it is more easily managed by engine mounts , and so remove the need to use balancer shafts .