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  1. M

    Please help! No spark on 1999 25 Hp Johnson Outboard

    Hello, I need help with my 1999 25 HP Johnson. It had spark before and ran in the barrel. One day I got it on the water and started at the dock for 5 minutes. Then it died. Brought back home, check the spark, no spark all 3 cylinders. the kill switch is OK. People think it had bad Power pack #...
  2. M

    Head gasket part number for 1953 25 Hp Evinrude Serial #25012-72763

    Hello, I am in search for the Head gasket part number for 1953 25 Hp Evinrude Serial #25012-72763. Thank you.
  3. M

    Lower unit seal for 1984 90 Hp Six cylinder Mercury

    Hello, I need two seals for my lower unit (1984 90hp In-line 6 Mercury Outboard). The seal for the propeller shaft is #76868 (Inside) and 70081 (Outside). After doing research, it is more cost effective to buy a whole lower unit seal kit #Mercury 26-88397A1. I found a GLM kit which they said it...
  4. M

    What should I do with the purchased of 1999 25 Hp Johnson Outboard

    Hello, I just picked up 1999 25 Hp Johnson Outboard. I saw it ran in the barrel a minute so I bought it. I did compression test and all 95/93/95 psi in all 3 cylinders. At home in barrel, it ran for a while and I saw the smoke came behind the CDI box. I removed the CDI and saw a crack in the...
  5. M

    Mercury 90 Hp, brown band, Year???

    Hello, I just pick up a Mercury 90HP brown band. The owner said it was 1989 model but he was not sure! Could anyone confirm its model year by the serial # A704164. It made in Canada.
  6. M

    Is compression number OK on 1977 800 Mercury

    Hello all, Should I pull the power head and check the bottom of cylinder on 1977 800 Mercury outboard? The compression as 145/143/140 psi but the bottom cylinder jut hit only 125/128 psi. Is it acceptable compression for this outboard?
  7. M

    Where to start with Mercury 8000

    I pick up a 1978 Mercury 800. It has 140 psi on 3 cylinder and 130 on the last bottom cylinder. The motor does not have the spark. Where should I start to trouble shoot it. It has a new CDI box.
  8. M

    What is the year of Mercury800

    Hello, I am new to the forum and new to Mercury outboard. I just pick up the Mercury800. The owner said "Doesn’t run no spark tons of compression... have a spare motor exact same for parts, extra motor has blown bottom end". The owner said it is 1979 80hp Mercury but I look up the serial number...
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