Tuono and Rsv4 valve failure : The reason

Описание к видео Tuono and Rsv4 valve failure : The reason

Engine parts analysis on my race bike Tuono V4 APRC (2014)
Bought the bike only 1500km ago, checked valve clearance before riding it and they were very bad. Also 2 valves had no clearance.
Engine failed on track (29.900km) on a straight line on 5th gear at + 11.500 rpm...

Valve guides are absolutely perfect with no wear on intake valves but very worn on exhaust valves.
Bottom end is in very good condition and crank bearings were good for much more km, sadly i have 2 cylinders damaged so engine is completely dead

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