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Images of this bike suggest to me maybe greater than 90° between cylinders. In fact its 88° so must be a trick of eye or camera. Odd that 90° was not chosen as with Guzzi or Ducati giving perfect primary balance with common crankpin and balance lobe, although with secondary balance issues taken into account probably makes little overall difference.


Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone