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Test compression no matter what. If the numbers are low and/or off 10 percent from each other than the lower unit is the most valuable part and you should look somewhere else. Price on a motor with 120 psi versus a motor with 100 psi will vary. Also the area you live in makes a big difference. So $250 to $800+ depending on local market.
What else can I help you with?
How do you set the timing a 1978 Mercury 90 hp boat motor?
Link and sync....check iBoats forum
How much is a 1978 mercury 20 hp boat motor worth?
If it runs perfectly, starts easy, etc, probably around $700-$1000. If something is broke and/it is missing parts or incomplete, $200-$400 as a parts motor.
Mercury boat motor 150hp schematic?
how to take cover off 1979 mercury boat motor
How much is my 2003 15 hp mercury 2 stroke boat motor worth?
Its a merc. Worth about 8 bucks. Buy a yamaha!
How old is your Kiekhaefer Mercury 7.5 boat motor Serial number 2813037?
How old is my Kiekhaefer Mercury 7.5 boat motor Serial number 3374590
Where is VIN on mercury outboard motor?
location of VIN # on a 1999 Tracker boat motor?
Weight difference between a 150hp mercury boat motor and a 200 hp boat motor?
I would say 50 H.P.
What year is your Evinrude boat motor model 115899c?
1978
What is the year of a mercury boat motor with serial number 2311139?
1977
What model is your boat motor mercury ser.?
Mercury 3.9 HP. Single Serial Number 1657514
Is the sea nymph Fishing machine model 16 Foot with a 50 HP Mercury motor a good boat?
the boat is a excellant aluminum boat. I dont have anything good to say about mercury though
What year is this mercury boat motor serial no134949?
Unfortunately to find out the year of a Mercury boat motor one needs not only the serial number, but also the horse power rating. This allows it to be narrowed down to a specific year.
