Adding a full can of Sea Foam to 4 gallons of fuel is completely safe! In fact, the more you add (concentration), the better and faster it cleans! Anyway, 1 can to 4 gallons will work great to clean your motorcycle’s engine. Sea Foam only contains petroleum ingredients that can’t harm your engine.
Hi Madero,
Adding a full can of Sea Foam to 4 gallons of fuel is completely safe! In fact, the more you add (concentration), the better and faster it cleans! Anyway, 1 can to 4 gallons will work great to clean your motorcycle’s engine. Sea Foam only contains petroleum ingredients that can’t harm your engine.