Merc 700...Calling Farley, Dave, Ryan...

[Georgie]

 Wooohooo!!! This'll be as much fun to follow as all the excellent hull rebuilds!  

[futch13]

Congrats Bob,
You have selected an engine that will test every skill you have aquired in life. A great project if you are willing to dedicate the time. All the basics have been covered so no need to go there. The wiring will be shot which is right up your alley. Join our forum below and get ready for the download of knowledge over there about this engine. You will be amazed at what you will find. Retired Mercury engineers, factory techs, and yes, Charlie Strang is still alive and posts on our site. You should see what these guys do with your engine. From junk to museum quality. Get the serial number and post these pictures and hang on!



http://johnsoldmercurysite.com/phpBB3/s ... ive_topics

I will have to join that site for the entertainment value alone     This ought to be a fun restore to watch!!! Bob, hope you have a machinist on retainer LMAO.  Good luck and hope I can be of some help, I have a lot of NLA merc parts in stock that I'm going to put on Ebay shortly, but if you need anything let me know.  Good luck

[seabob4]

Well Loye, I definitely need the belt that I guess drives the dizzy shaft.  Also new set of plug wires (duh!), probably dizzy cap, rotor, points, and condensor.  Pulled a couple plugs, pistons have some carbon, but not bad.  I'll get the the cables off this aft, I have a feeling this is a DR model, as the dizzy is allowed to rotate a few degrees...

[fitz73222]

My new dear friend futch,
I live in the NLA Merc world with my appetite for Hurricanes and Mark engines from 1949-1955 so I would be keenly interested in your inventory of parts and/or junk Mercs in your shop!

[seabob4]

I do have the original control box, throttle seems to operate pretty well but can't budge the shift lever.  I'll get the cables removed later on, then see how the shift linkage moves on the motor as well as the lever on the box.

Farl, I assume you are familiar with the DR motors...

[fitz73222]

I do have the original control box, throttle seems to operate pretty well but can't budge the shift lever.  I'll get the cables removed later on, then see how the shift linkage moves on the motor as well as the lever on the box.

Farl, I assume you are familiar with the DR motors...

Oh Yeah!
Does the shifter look like a pistol grip with a push button on top? She may be a DR. I'm assuming this engine is not exhaust through the propeller hub, correct? Carl's theory was that an engine of this size would shatter a clutch dog shifting into reverse so he devised an engine that would be re-started and run counterclockwise for reversing! The gearcase had reed style check valves that would allow it to pump water with engine running backwards! This is where the name Dockbuster came from. As you approached the dock you turned off the engine, pushed the bottom on the gearshifter, moved the handle and re-started with the engine running backwards! Shut it off, pushed the button and re-started in clockwise rotation for forward! I saw a guy use one of these once and he was so good at it you could not tell it from a regular gearshift outboard... amazing! But if you weren't good at it, you smashed the dock! Imagine todays idiots with that engine!

[seabob4]

Yeah, Farl, I read about that stuff...very interesting!  The control has separate shift and throttle levers, on button on it is the choke button.  When I pull the old cable off the shift linkage this afternoon, I'll see what kind of "positions" I can move the linkage into.  If I get 3 definite positions (F-N-R), then I would assume it's a FGS model...which I would much prefer!  

I'll post up a pic of the old control box, sure you've seen this one...

[futch13]

From the pics, looks like one of the first FNR motors.  I don't think you could use an other c/b except the dockbuster box on the dr.  

Bob, if you have a serial #, I'll look up parts and see what I have.  

Farley, I have a spread sheet of all the parts we are gonna get rid of.  Shoot me your email & I'll send it to you.  Not sure if they go back as far as you are working on but the dealer I bought out that had all these was an OLD dealer.

Loye

[seabob4]

Loye, I'll see if I can find an S/N.  I'm used to new motors, I know where the S/N plate is on those.  These old motors?  No clue...

[futch13]

Should be a plate on the tilt tube

[seabob4]

No S/N plate, but she is definitely an FGS ( ).  3 detents, F-N-R.  Whole bunch of P/N's on castings, sure I could cross-reference some #'s, but I would imagine the DR's and the FGS's used a lot of the same parts on the powerheads...

[seabob4]

Interesting how the whole distributor assy rotates with the advance of the throttle.  Here's what I am looking at, obviously it was a broken timing belt.  So, the question is, did the belt break before and caused the engine to crash, or did it break from rot?  I would think the latter, as it appeared to be intact and in place before I hit the PH with a hose.  If it had broken while the motor was running, I would imagine it would have been flung and been laying in the lower pan somewhere...http://www.marinepartsplus.com/catalog/ ... 76/1101-30

Since the flywheel rotates fine and the pistons are doing there up and down thing...

[fitz73222]

Bob,

It should be on top of the tilt tube. A plate that wraps around the top of the tube between the clamp brackets or look for the number stamped on the starboard side of the engine at or near the block/crankcase split line.

[seabob4]

Will do Farl...

[seabob4]

Guys, how 832-1815 sound?

Sorry guys, no #'s that fall within the S/N range that the Merc parts sites give.  Found this thread on iboats, the 8th post down says what my block says...http://forums.iboats.com/mercury-marine ... 86874.html