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  1. swick

    Proper way to compression test

    What is the proper way to do a compression test on an outboard? I have read different views: some people say take all plugs out, some say take one out at a time. And does it matter if the boat is in the water or not? How long should it really take to do?
  2. swick

    What size spark plugs?

    What size spark plugs are on an 86 merc classic fifty 45 hp 4 cyl 2 stroke? Thanks.
  3. swick

    What do compression test tell you?

    I'm a fast learning beginner here. I know compression tests can tell you certain things like if theres a blown head gasket or something. What else can they tell you? If all cylinders are within 10-15% of eachother this is acceptable right? But what does it mean? What if it is more? What do you...
  4. swick

    Rate this motor

    1986 Mercury Classic Fifty 45 hp 4 cyl 2 stroke. Its on a boat I want to purchase but want some feedback on it first. Thanks. :)
  5. swick

    Regular Gas in 2 stroke engine?

    What happens if someone used regular gas in a 2 stroke engine and how long would it take? Are there signs and symptoms to look for? Would there be perminant damage?:eek:
  6. swick

    1986 Merc Classic Fifty

    What do you think about the 86 Mercury Classic Fifty outboard? I want to buy a small boat with one, any opinions on the engine are appreciated.:) 45hp 4 cyl 2 stroke
  7. swick

    Does every outboard have a head gasket?

    I'm considering buying a 15' bass boat with a 1986 Mercury classic fifty on it. The seller says its a 4 cylinder and he is replacing the water pump because it was overheating. I asked about the possibility of a blown head gasket and he said that there is no head gasket on that model. I don't...
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