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  1. J

    fuel in vent line

    I have a 1979 Mercury 70hp outbooard. Fuel is leaking from the crank case vent line where is connects to the air box. Could I have a dead cyl or should I have the carbs rebuilt? The engine has sat for more than 10 yrs and it has just over 100hrs on it. I've only gone out on the water once and it...
  2. J

    1978 70hp Merc Stored for 5yrs +

    Hello, I'm new to Outboards but I'm mechanically inclined. I've just been given a 15'6" Hourston Glass Craft with a 1978 70 HP Merc Thunderbolt on it. Its been parked outdoors for 5+yrs and I started it for the first time today with ears on, It ran quite well considering. I ran Sea Foam in the...
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