WHILE COMING TO A STOP, A LOUD BAG WAS HEARD AND SHORTLY AFTER A HYDROGEN SULFIDE SMELL WAS OVERWHELMING, THE RIDER WAS FORCED TO TURN OFF THE ENGINE AND GET OFF THE BIKE. ONCE THE BIKE WAS STOPPED THE RIDER NOTICED BATTERY ACID ALL OVER THE ENGINE FRAME AND ON HIS LEGS. THE CAUSE OF THE BATTERY FAILURE HAD NOT BEEN DETERMINED. THE BIKE IS AT THE DEALER. *AK *NLM *JB