The most beautiful motorcycle engine ever?

well thought i would throw this one in :wink:

 

Good boat anchor

 

Not the prettiest bike engine but my favourite is the Yamaha LC Ypvs engine with a set of Allspeed pipes on full chat

 

Probably the most beautiful



Liquid Shit Pump in the world

 

The Britton V1000. One man in a shed with a pashion. Never mind the engine, I'd have the complete bike on my mantelpiece.