Boats For Sale:
1986 BFN Rebuild |
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LennyBoat 
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Joined: May-22-2023 Location: Belgium Status: Offline Points: 50 |
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 Posted: March-22-2024 at 7:02am |
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On different subject, does anyone have any expierience with installing an aftermarkt fuel tank? Can't find an original in the EU, so will probably go for a polyethylene tank because they relatively cheap.
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Kristof
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Joined: October-08-2007 Location: Bree, Belgium Status: Offline Points: 3406 |
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Posted: March-22-2024 at 8:32am |
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My take on this: after having gone through the whole process of sanding (different grits), buffing and polishing mine, only to have the red go dull again after two summers, I decided to have the red stripe on mine stickered. Zeven years later, it is still shiny red as it should be. And, at five yards away, you can't see if it's gelcoat or a sticker.
Contact Jo. We have a tank from a later model SN laying around. Take measurements to see if it could fit... Maybe you can arrange a deal with Jo. I'll let him know later today. |
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LennyBoat
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Joined: May-22-2023 Location: Belgium Status: Offline Points: 50 |
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Posted: March-22-2024 at 9:21am |
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If that fits, that would be amazing. I'm sending him a message right now!
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LennyBoat
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Posted: April-10-2024 at 12:26pm |
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Small Update: Progress has slowed down a bit over the past weeks as we're trying to figure out how to proceed. I've been reading up on a dash rewire, but as I've never seen the dash and wire loom as it was installed it gets a bit confusing. I'm a bit lost if I should up the wire size for all wires in the instrument cluster or only the ones leading from the battery to the daisy chain. reading a lot about adding extra power and negative wire to the wire loom, just not really sure where to? Anyways, I'm guessing that a lot of things will become clearer when we start working on it. Not sure what happend to the shaft strut, but the 2 bearing set screws were missing the heads. I drilled a small hole in one and tried removing it with a screw remover, which broke off inside of the screw so I had to drill them out completely to remove the shaft bearing. Bearing needed a lot of convincing to be removed so I used a hand saw to almost cut through the bearing from the inside. With some gentle force everything came out.    The paint on the throttle lever body was quite crusty, so I stripped the old paint, put some coats of primer on it and some coats of black paint.   Also, this morning i received some fresh parts for the engine    |
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LennyBoat
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Joined: May-22-2023 Location: Belgium Status: Offline Points: 50 |
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Posted: April-10-2024 at 12:28pm |
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Kristof, Thanks for the insight on the sticker, we'll probably go that way as well.  The fuel tank turned out to be to large, so i'm looking for a suitable replacement.
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andrewmarani
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Joined: May-31-2005 Location: Baltimore, MD Status: Offline Points: 251 |
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Posted: April-10-2024 at 2:19pm |
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I'm assuming you pulled the instrument cluster out of the dash. Put up a picture of the back of your instrument cluster. I rebuilt my 86 nautique cluster wiring and i've got pictures. If it looks the same, I can send you what mine looked like finished and some info on how I went about it.
Andrew |
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LennyBoat
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Posted: April-12-2024 at 3:04am |
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Hi Andrew,
Many thanks in advance. As far as I know, the dash wiring should (mostly) be the same between the SN & the BFN. We bought the boat already disassembled , which is what makes some parts a bit more complicated. herewith the view of the dash/cluster (VDO gauges) as it is:  
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samudj01
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Joined: March-10-2009 Location: NC Status: Offline Points: 981 |
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Posted: April-15-2024 at 10:52am |
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I just rewired my dash in my 93SN. If you haven't seen the thread, take a look. I tried to put some good pics in there. It is current;y on page two and is called, newtome93SkiNautique. Good luck.
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78 Ski Tique, 72 Skier w/302's, 93 SN w/351 & 17 GS22 w/zr409
Previous - 99 Sport Nautique w/GT40 and 87 Martinique w/351 |
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andrewmarani
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Joined: May-31-2005 Location: Baltimore, MD Status: Offline Points: 251 |
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Posted: April-16-2024 at 4:38pm |
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Wow, that's in pieces. Front of your dash looks like mine, so they should be pretty close or the same.
First picture is the back of the dash before I rewired it. Note there are some repaired wires on the before picture, done when I was replacing the RPM gauge, anything I repaired has marine grade heat shrink terminal connectors. Most of the old connectors are dark blue.
Second picture is after it's rewired. The coiled up wires next to the two terminal blocks will connect to the old power wires under the bow. I added watertight terminals that I can disconnect to the ends so I can pull the dash without cutting anything if I need to pull it again. I have to stick my head up under the bow and check where I landed them but I think I ran an additional ground from the engine and a power wire from the solenoid to the dash because the wires supplying power and ground that are part of the old system are too small gauge wise. Good ratchet crimpers are a must for doing this neatly, just FYI. I can get some pictures of the back of the rewired dash installed if needed. Boat is currently under my back deck at the tail end of stringer replacement. Let me know.   |
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andrewmarani
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Posted: April-16-2024 at 4:46pm |
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Resolution looks better on my computer than it is after I uploaded the pictures. PM me and I can email you the pictures, might be able to follow the wiring better.
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11173 |
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Posted: April-16-2024 at 7:05pm |
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Lenny
Since I don't see any mention of dash wiring diagrams, I thought I'd mention that there's a wiring diagram listed as an 86 in the CCF Reference section under manuals. It was drawn in August 84 so it would be for an 85 you'd think, and carry over to 86. There are 2 versions shown one for VDO gauges like yours and another for Teleflex gauges It'll help you keep it "color correct" with the wiring
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Kristof
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Joined: October-08-2007 Location: Bree, Belgium Status: Offline Points: 3406 |
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Posted: April-17-2024 at 3:03am |
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Lenny,
What KENO said. The wiring diagrams in the Reference Section helped me solve some problems on my dash. For good measure here's the link: '86 Wiring diagram |
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andrewmarani
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Posted: April-17-2024 at 8:58am |
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Didn't know there were different wiring for the VDO vs Teleflex. My gauges are VDO.
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KENO
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Posted: April-17-2024 at 12:43pm |
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The only real difference is the terminal connection locations on the back of the gauges and wiring hookup to the gauges.
VDO had spade type connectors Teleflex had studs with nuts
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LennyBoat
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Joined: May-22-2023 Location: Belgium Status: Offline Points: 50 |
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Posted: April-25-2024 at 8:29am |
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Thank you all for your input. We started the rewire and in the end it isn't as intimidating as it seemed. We just needed a little nudge to start and i'm guessing we'll be done by the end of this week. I'll double check our work with Andrews picture to make sure we dind't make any mistakes. |
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LennyBoat
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Posted: June-12-2024 at 9:03am |
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Small update: Progress has slowed down a bit over the past few weeks due to work trips and other commitments. I also had to prepare my father's boat for the summer (an I/O bowrider, Maxum 1750sr). We sanded and cleaned the hull, applied the primer, and then put on four coats of Double Coat, sanding with a finer grit between each coat. Most of the time was spent on sanding, while the painting process was relatively quick and straightforward. I'm quite happy with the results. It may not be as durable as gelcoat, but it's much less labor-intensive and very beginner-friendly.     |
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Kristof
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Joined: October-08-2007 Location: Bree, Belgium Status: Offline Points: 3406 |
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Posted: June-19-2024 at 5:46am |
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Lookin' good there Lenny!
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LennyBoat
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Posted: June-20-2024 at 6:03am |
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Everything is slowly coming together
  Next up is the drivers seat base & electrical (pump, lights, blower, dash) afterwards the window I suppose. Throttle and steering control has been cleaned and re-greased and ready for instalation. Still waiting on the strut bearing, exhaust hose, flax packing and gas tank. Engine block should be ready soon. In the meantime I found some more parts that I do not recognise. Anyone knows if these are original parts and if so, what are they used for?  It's not clear from the picture but the 2 washers (on the bolts, left) have a step. the inner part is thicker than the outer part.
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andrewmarani
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Joined: May-31-2005 Location: Baltimore, MD Status: Offline Points: 251 |
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Posted: June-20-2024 at 7:25am |
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it's the bolt that holds the rudder cable clamp to the stringer. on my 86 sliver nautique it was installed 24" from the stern. Drill a hole about half way up the primary stringer through to the space where the muffler sits and bolt in place. the ball sticks into the bilge side and the rudder cable clamp attaches to the ball. there is some play in the ball allowing the clamp to move around while still holding the cable in place.
In the picture the clamp is that grease covered things around the cable, cleaned up pretty good to a nice white. This is a before picture, things are much better looking now but the boats at the marine shop waiting to have the engine dropped in.  |
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LennyBoat
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Posted: June-20-2024 at 8:36am |
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Thank you for the information!
I'm guessing that means it should have been installed before we foamed and glassed over the empty space between the stringer and the floor... |
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63 Skier
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Joined: October-06-2006 Location: Concord, NH Status: Offline Points: 4288 |
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Posted: June-20-2024 at 11:02am |
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Kind of like do-it-yourself furniture instructions .... "foam and glass over the empty space", then you turn the page and it says "but first install the steering cable support".  The boat is looking fantastic! |
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'63 American Skier - '98 Sport Nautique
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andrewmarani
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Joined: May-31-2005 Location: Baltimore, MD Status: Offline Points: 251 |
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Posted: June-20-2024 at 1:59pm |
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Looking over your pictures, I think you're ok. What I'm calling the primary stringer, where the bracket gets fastened, is that lower stringer in your pictures. the one closest to the center of the boat. The outboard taller one is the secondary stringer. You don't fasten to the secondary.
You have to get slightly creative. Instead of bolting into the side of your low primary stringer, you would make a small stainless bracket with a hole in the vertical leg for that bolt with the ball on the end and two holes in the horizontal leg. Lag the new stainless bracket down to the top of your primary stringer through the horizontal leg and hook the "ball bolt" to the vertical leg with a nut on each side of the bracket. Should get the job done. I suppose you could fiberglass the stainless bracket down to the stringer so you don't put holes in your stringer for the lags. Or you could fiberglass in a hump into your low stringer and drill hole in it and put the bolt through as originally installed. Lots of ways to slice this melon! |
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LennyBoat
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Posted: June-21-2024 at 4:06am |
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Hi all,
I was thinking something alike, fabricate a stainless plate and weld a shortened bolt to it. and attach it to the stringer. I'm just curious how much force is on the rudder cable when turning under high load/speed. The original bolt size seems to suggest its quite a lot, however, i'm thinking it's a bit overkill? |
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11173 |
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Posted: June-21-2024 at 8:18am |
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Lenny
Here's a picture from TRB's BFN rebuild thread A hunk of angle aluminum or stainless steel bolted to the strut mounting bolts with the clamp block bolted it. Lots of boats were built with that setup. Fairly close to indestructible mounting and easy too  |
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LennyBoat
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Posted: June-21-2024 at 9:12am |
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 Are you kidding me, I have been looking on this forum for over a year now, and I never encountered (or always looked over) that thread. 30 pages of quality work, pictures and explanation about a BFN rebuild... damn Anyways, better late than never! Looks like I got some reading to do over the weekend! Thanks for the sugestion and pointing me towards this thread. I think the mount on the strut will be the solution.
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LennyBoat
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Posted: July-12-2024 at 4:00am |
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I think I'm due a small update: Everything coming together nicely. hoping to source carpet somewhere next week. Engine should be finished soon as well. Quite excited about the progress   |
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fanofccfan
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Joined: December-13-2009 Location: North Bend NE Status: Offline Points: 1795 |
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Posted: July-12-2024 at 8:28am |
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The boat looks great! You must stay busy enough to need 3 wall hanging calendars to keep track of things huh?!?!
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2004 196 LE Ski 1969 Marauder 19 1978 Ski
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63 Skier
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Joined: October-06-2006 Location: Concord, NH Status: Offline Points: 4288 |
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Posted: July-12-2024 at 9:29am |
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Lenny never noticed they had calendar dates on them before. That is looking fantastic! When you get on the water, be sure to post some pictures of the local areas. I love seeing the scenery from different parts of the world.
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'63 American Skier - '98 Sport Nautique
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11173 |
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Posted: July-12-2024 at 9:36am |
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Pylon looks good, seat has some stains on it though 
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LennyBoat
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Posted: July-12-2024 at 11:47am |
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Well, well, well, Look at that, 3 replies in under 10 minutes... Looks like we're not the only ones beeing motivated by the calendar girls
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LennyBoat wrote: