FOR MORE: Call Kawasaki Motors at 866-836-4463 or visit http://kawpower.comMICROPHONES DETAILS: NK R2 Microphones made by Nielsen-Kellerman Co. and sold at Nielsen-Kellerman Co. online and authorized NK dealers worldwide. The microphones are designed to be used by the navigator (coxswain) of rowed racing boats to direct the rowers. It is made of a rubber U-shaped base attached to a blue headband. A black metal microphone boom is attached to one end of the U and a cable with a flat, rubber-covered connector is attached to the other end. The microphones are used with the Cox Box and Cox Box Mini voice amplifiers. WHY: The metal boom of the microphone can conduct electricity from an exposed speaker wire or connector, posing a shock or burn hazard to the user. INCIDENTS: Three incidents in which the users reported second-degree burns where the metal boom contacted their face. HOW MANY: About 7,500. FOR MORE: Call Nielsen-Kellerman at 800-784-4221 or visit http://www.nkhome.com/support PORTABLE GENERATORS DETAILS: Powermate Sx 5500 portable generators imported by Pramac America LLC of Kearney, Neb., and made by Am Pride Chongqing Senci IMP & EXP Trade Co. of China. They were sold exclusively at Home Depot stores February through August 2012. The black portable generators with wheels have "Powermate 5500" printed on the side of it. The generators were sold under the model name Sx5500 and model number PM0125500, both of which are printed on a plate on the rear of the generators. WHY: The fuel filter allows gasoline to leak, posing a fire hazard. INCIDENTS: 51 reports of fuel filter leakage. No fires or injuries have been reported. HOW MANY: About 7,700. FOR MORE: Call: Pramac America LLC at 800-445-1805 or visit http://www.powermate.com TIKIT FOLDING BICYCLES DETAILS: Tikit Folding Bicycles made by Green Gear Cycling Inc., doing business as Bike Friday of Eugene, Ore. They were sold by Bike Friday directly and dealers nationwide from January 2007 through September 2012. The Bike Friday "tikit" brand decal is affixed to the bike frame.