What would cause an outboard motor not to accellerate?

Captain Trips asked: I have a Mercury 125hp outboard saltwater motor on my boat. I went to use the boat yesterday for the first time in a few weeks. The motor started up with out a problem, but once I got out of the canal and went to accellerate, the boat did not [...]

Would like to know how much a canal boat costs and how much for maintenance?

elwood blues asked: Interested in buying canal boat and would like further details

Which is best for long term canal cruising in England, a narrow boat or a cabin cruiser?

annabel m asked: Which is more comfortable?
Which is easier to manoeuvre (and does it take long to get used to a long narrow boat)?
Which uses less fuel?