Katie
Tuned and Synch'ed
No idea at this stage. The engine is going back to the factory for inspection but I would be very surprised if an answer will be forthcoming to the actual end user! I would imagine it will come under the 'one of those things' headingsI would definitely be having words to the valve spring supplier if I was Piaggio. It's not like this is a screaming four cylinder. Why did it fail?