![1970 Merc 500 Thunderbolt idles somewhat but stalls when put in gear and given throttle. Ugh! | Boat Repair Forum 1970 Merc 500 Thunderbolt idles somewhat but stalls when put in gear and given throttle. Ugh! | Boat Repair Forum](https://i.ytimg.com/vi/JmLvQt74ofY/maxresdefault.jpg)
1970 Merc 500 Thunderbolt idles somewhat but stalls when put in gear and given throttle. Ugh! | Boat Repair Forum
![Calaméo - 1977-1989 Mercury Outboard Engine 45HP-220HP Service Repair Workshop Manual DOWNLOAD (1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989) Calaméo - 1977-1989 Mercury Outboard Engine 45HP-220HP Service Repair Workshop Manual DOWNLOAD (1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989)](https://p.calameoassets.com/130629134031-57844cfac3514f8731e31213a7604004/p1.jpg)
Calaméo - 1977-1989 Mercury Outboard Engine 45HP-220HP Service Repair Workshop Manual DOWNLOAD (1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989)
![Amazon.com : Mercury Outboard, 1965 - 1989 Repair and Tune-Up Manual : Outboard Motors : Sports & Outdoors Amazon.com : Mercury Outboard, 1965 - 1989 Repair and Tune-Up Manual : Outboard Motors : Sports & Outdoors](https://m.media-amazon.com/images/I/71lv0RWBuyL._AC_UF1000,1000_QL80_.jpg)