counterbalanced crankshaft

The counterbalanced crankshaft ran in seven bearings.

A hefty counterbalanced crankshaft in a deep and rigid crankcase helped to make the little engine as vibration free as the main one.

In addition to a two-speed supercharger, the M-105 had several improvements like two intake valves per cylinder and a counterbalanced crankshaft.

He designed a counterbalanced crankshaft as part of the tuning work on the engine, before EX120's first visit to Montlhéry in December 1930.

The 6-throw 1-piece counterbalanced crankshaft is carried in seven plain journal bearings and the propeller is driven directly by the crankshaft.

The Le Mans had a higher tuned version of the 972 cc inline-four, with higher camshafts, bigger and better cooled oil sump, and a counterbalanced crankshaft.

There is some dispute over this; some sources say it was a common misconception due to the introduction of a larger counterbalanced crankshaft during the Model B engine production, and the letter "C" casting mark on most, but not all, of the Model B heads.