i have a 90hp johno but will only rev to 2500 ihave changed the spark plugs but havent had time to see if thats help. also checked fuel filter and fine.is there anything else that it could possibly be!can some one please help me locate where to check the gear oil?any help is much...
is there an easy way to tell if the head gaskets are gone or if theres a crack in the water jackets? motor starts dry but is no go in the water or with muffs on.is it worth rebuilding? :confused:
