Originally Posted by RideFreak
The problem with the XRs bottom end isn't the rod, Honda had a run of poorly built cranks that caused a failure of the Big end thrust washers. Plenty of SM guys run them much harder than we do. Once the washers start going bad it's a very short time before the bottom end follows. Results are the same though, once it happens the bottom end is toast.
Remember the years?
Mine was failing at the small end, as have a number I have seen on here and elswhere.
Most likely a product of inexperience and lugging the motor too much, and opposite of what the sumo guys are doing to the engine.
So I guess it is prone to failure at high and low speeds, atleast on certain years?