A bit late here but RIP indeed. Seemed like a great guy and wrote some pretty entertaining columns to a Finnish motorcycle magazine. Apparently he had a crash in practice a month before his death where he suffered some internal damage. I don't know what exactly but he announced about his retirement about two weeks after the crash, but later passed away from complications from multiple surgeries. Brilliant rider!Mika Ahola passed away on sunday.
Looking at some events I'm surprised there are as few serious crashes in enduro/motocross as there currently are.