as some of you may know my engine blew at Brno during the closing stages off my last race. As i could see a hole in the top crankcase i assumed the motor had thrown a rod. It now looks like a big failure on the RHS. Could have been a valve or piston failure. Hard to tell as everything on that side is destroyed. Looks like a piece of piston or valve has got wedged between the crank and crankcase causing it to fracture and break the top engine case. i thought i had stopped the engine pretty quick. a lot of damage can be caused in so little time when the motor is at or near max RPM.
cylinder barrel
![Image](http://i905.photobucket.com/albums/ac258/bmwgusr1100s/DSC03697.jpg)
cylinder head
![Image](http://i905.photobucket.com/albums/ac258/bmwgusr1100s/DSC03696.jpg)
what left of the piston /valves found in exhaust and cylinder
![Image](http://i905.photobucket.com/albums/ac258/bmwgusr1100s/DSC03695.jpg)
hole in top of engine case
![Image](http://i905.photobucket.com/albums/ac258/bmwgusr1100s/DSC03672-1.jpg)
i have not stripped the left side yet . will tomorrow. although i think that side is ok head and piston wise.
all the best
Gus