Originally Posted by doki_doki
There's a big chance that the piston/sleeve will be damage especially if you didn't notice that crank broke and you tried to start the engine again. Small pieces of metal from the broken crankshaft will be thrown into the piston/sleeve as it breaks. And then the engine dies out. You may also want to check your bearings and do a complete check-up of the internals of the engine
Then any symptoms if the crank is going to break?
Or in what situation the crank breaks easily?