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  1. 1

    out drive leak from 140 merc i/o

    I have a small very slow leak that leaks from the forward part of where the upper and lower unit meets when it is trimmed up. I not sure if i forgot something when i changed the water pump for the lower unit. Any ideas
  2. 1

    I thought I had a prop seal problem but....

    I had convinced my self that I had a bad prop seal, but after thinking ab out it I never really had a problem with it until I replaced the lower unit water pump. Could there be something I could have overlooked that would have caused a small amount of oil to pool in the prop carrier area.
  3. 1

    First time prop seal repar; pre alpha

    I have a 1973 delata tri hul, with a 140hp merc i/0 pre alpha. I just noticed "luckily before i went to the lake" that my prop seal is leaking. I have read the merc. manual and it is not to particular on repair of the prop seal. I know I have to remove the main nut with a special tool, but can i...
  4. 1

    Spent last summer plagued withboat problems that persist

    Ok so I have a 17ft 1973 Delta Trihull with a Merc 140 I/o. I bought this boat last summer early and had it out 6 or seven times and had a very hard time getting her to plane out. I have tried plenty of stuff but my symptons seem wierd. I am able plane out but only if its me and one other...
  5. 1

    73 merc 140 I/O not getting power at rpms?

    I have tried reading most faqs and other posts to try and figure this out on my own but still stumped. I just got this 1973 delta tri hull with a 140hp merc I/O in it. The engine will idle very well and has decent to good power at low rpms <1700. The problem is when i put the hammer down it doe...
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