Mid-Maine Synthetics - Have you been running that generator hard the last 40 hours or so? Before you put it away until next year (fingers crossed!) it's time to service it! Amsoil
Amazon.com: Amsoil Aceite de motor pequeño ASE1G 10W-30 100% sintético | Grado comercial (ASE) (1 galón) : Automotriz
Which Small-Engine Oil Would You Choose?
1 Quarts, Amsoil Small Engine Oil 10w30, 9174 | eBay