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Author Topic:   Defunct Mercury 40

Wayneman posted 02-25-2002 09:06 PM ET (US)
Greetings all. The above motor ran great all year and then pooped-out last time out in Oct. It is a 1981 and it has already been thoroughly rebuilt by a very trustworthy marina some years back. This time, it seems to have just lost spark. Any ideas? How much are these motors worth if they are in good shape? Funds are kind of tight so a new motor for me right now is not an option. Thanks.
JBCornwell posted 02-25-2002 11:08 PM ET (US)
Ahoy, Wayneman. Go to www.iboats.com
Get on the Engines and Motors Forum and offer your question there. There are Merc magicians there who will get you back in operation for minimum bux.
Good luck.
Red sky at night. . .
JB :)
Bigshot posted 02-26-2002 02:35 PM ET (US)
Try Boatdoctor.com and they may be able to walk you through a diagnosis.
andygere posted 02-26-2002 05:35 PM ET (US)
The early 80's Merc 40 on my old 13 suffered a similar fate. Replacement ignition parts cost a fortune and took almost 6 weeks to arrive. I won't even tell you about the labor costs....all from the "Biggest Whaler Dealer in the US". Sorry to be the bearer of bad news, but in hindsight, I wish I'd have just looked around for a used motor. NADA lists retail values for an 81 Merc 40 between $190-230. If it's anything worse than a set of wires, I'll bet the parts will cost more than the motor is worth.
Wayneman posted 02-28-2002 02:44 PM ET (US)
Thx all. As soon as I dry my eyes I'll check those sites!
Bigshot posted 02-28-2002 03:20 PM ET (US)
Don't bury it yet. Try the site I listed above and see what they say. There are ways to find out what went bad. If you have NO spark but good fuel and compression....no biggie. Could be $50 or $400 but still cheaper than a new or questionable used engine.

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Author	Topic: Defunct Mercury 40
Wayneman	posted 02-25-2002 09:06 PM ET (US) Greetings all. The above motor ran great all year and then pooped-out last time out in Oct. It is a 1981 and it has already been thoroughly rebuilt by a very trustworthy marina some years back. This time, it seems to have just lost spark. Any ideas? How much are these motors worth if they are in good shape? Funds are kind of tight so a new motor for me right now is not an option. Thanks.
JBCornwell	posted 02-25-2002 11:08 PM ET (US) Ahoy, Wayneman. Go to www.iboats.com Get on the Engines and Motors Forum and offer your question there. There are Merc magicians there who will get you back in operation for minimum bux. Good luck. Red sky at night. . . JB :)
Bigshot	posted 02-26-2002 02:35 PM ET (US) Try Boatdoctor.com and they may be able to walk you through a diagnosis.
andygere	posted 02-26-2002 05:35 PM ET (US) The early 80's Merc 40 on my old 13 suffered a similar fate. Replacement ignition parts cost a fortune and took almost 6 weeks to arrive. I won't even tell you about the labor costs....all from the "Biggest Whaler Dealer in the US". Sorry to be the bearer of bad news, but in hindsight, I wish I'd have just looked around for a used motor. NADA lists retail values for an 81 Merc 40 between $190-230. If it's anything worse than a set of wires, I'll bet the parts will cost more than the motor is worth.
Wayneman	posted 02-28-2002 02:44 PM ET (US) Thx all. As soon as I dry my eyes I'll check those sites!
Bigshot	posted 02-28-2002 03:20 PM ET (US) Don't bury it yet. Try the site I listed above and see what they say. There are ways to find out what went bad. If you have NO spark but good fuel and compression....no biggie. Could be $50 or $400 but still cheaper than a new or questionable used engine.