Sudden appearance of oil leak where the bottom of battery is oil soaked and drips down from there. I saw elsewhere that the battery can vibrate and wear through tank but not much for details and repairs. I could not see any obviovous holes. Assuming J hose leak would not migrate upwards! Could throttle cables have a burr and cut the front of tank? Clean well and apply low pressure at cap (1-2 PSI)? Thanks for any recommendations. Greg