Propellor size does have something to do with it. You are spinning a lot more rotating mass/weight on the end of the shaft. Not even considering...
This is the most likely scenario and I too believe the construction was shodding (bulkheads broken free cleanly) and thin fiberglass in the bow...
If the boat is swinging a large diameter propellor that didn't cavitate much, I could see that happening when going from full speed foward to...
The instruments are mounted by the factory on the helm section. The flip up cover is where one mounts electronics and that is done at the dealer...
