Originally Posted by Dirtgrain
What damage to the motor occurred in those scenarios? Or is it the transmission that got destroyed? Why do you think third gear is significant?
Looks like the engine gets totally destroyed - gears/cases/bottom end/conrod/piston...
3rd gear is right in line with the big end.
I think it's the shape of 3rd gear. Where the dogs are in relation to the teeth and the selector groove weakening it as well.