Cylinder Balancer,  Suitable for all Carburettor and E.F.I. engines. Very simple, easy to use and accurate – works by synchronising 2 steel balls inside a vacuum tube, Supplied with x2 M6 adaptors to suit all Moto Guzzi engines.

Accurately balanced cylinders on a Guzzi makes a BIG improvement to the throttle response, economy and general running.