Indian Patent Dispute Causes Experts to Question Twin-Spark Technology

It seems that twin-spark plugs in an engine provide little benefit when the combustion chamber is properly designed. Examples are given with the Yamaha YZF-R1 and the Suzuki Hayabusa; both are at the top of the performance charts and yet both do just fine with one spark plug per cylinder...Interesting reading, but short.

http://tinyurl.com/ydjanuw