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Forum: Hatteras Tech Talk

Techinical Discussion & Hatteras Related Topics Only

  1. Starting battery capacity for 9.8HP Tohatsu 4 Stroke outboard

    Hi, I am looking to buy AGM staring battery for my 9.8Hp Tohatsu 4 Stroke outboard. I do not want to go 'oversized' because of weight and price, so what sort of capacity should I be looking at? The engine starts easily when cold by pulling the cord, but it has the starter wired (now) so I'd like to...

    Started by brico‎, 06-07-2021 09:28 PM
    • Replies: 2
    • Views: 744
    brico
    06-08-2021, 01:41 AM Go to last post

  2. Outboard starting battery question

    I have just got an 9.8HP Tohatsu with electric start and am planing to buy a battery for it. I know what size/capacity battery I want but my dinghy when it is stored in davits is in upright position (90 degrees to horizontal) so the battery which I plan to secure on the bottom of the dinghy will be...

    Started by brico‎, 04-02-2021 09:01 PM
    • Replies: 1
    • Views: 485
    Captain Ralph
    04-02-2021, 09:19 PM Go to last post

  3. Port fuel tank water contamination

    Hi, my Port fuel tank seem to be contaminated with some water and emulsion because every time I run the boat when it is rough I get "strawberry slush" in my RACOR filter housing and the flow/suction gauge slowly goes to yellow (but not red so far). While the engine is running fine, I am not sure...

    Started by brico‎, 08-10-2019 12:32 AM
    • Replies: 2
    • Views: 929
    brico
    08-10-2019, 12:58 PM Go to last post

  4. Slimy stuff clogging my fuel filter

    Ever since I purchased my 1980 Hattaeras 37 with twin Detroit Diesels in 2014 I had a little hazy fuel in the bottom of my Racor filter bowl and my fuel filter on Port engine would clog up sooner than the Starboard one. I replaced the rubber "O" ring on the deck filling plug and in 2019 I got the...

    Started by brico‎, 10-09-2023 11:00 PM
    • Replies: 2
    • Views: 267
    rsmith
    10-10-2023, 08:32 AM Go to last post

  5. Brightside Polyurethane H4208 or H4218?

    I seem to have forgotten which shade of Interlux Brightside Polyurethane I need for my 1980 Hatteras 37. I used up one quart and disposed off the can few years back so not sure which one was it. It was pretty close match to the boat's original paint. Any help would be appreciated.

    Started by brico‎, 02-06-2022 11:53 PM
    • Replies: 2
    • Views: 545
    Jackman
    02-08-2022, 03:06 PM Go to last post

  6. Replacing shotgun fuses with brakes, advice

    Hi, on my 1980 Hatteras 37 under the shore power cord plug there are two round plastic plugs that hold two 30A shotgun fuses. I've never had a fuse blow so far, but have checked them both today and found that the clear/transparent plastic covers, with two small screws holding the inner black...

    Started by brico‎, 10-12-2020 08:55 PM
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 12
    • Views: 1,970
    Dan Mapes
    10-14-2020, 06:41 AM Go to last post

  7. Question on cleaning and painting brass through hull fittings

    I am in the process of cleaning the filter and replacing rubber gaskets in the raw water through hull fitting and wanted to ask what is the easiest way of getting rid of that green stuff on the through hull fittings and would priming and paining them with Rust Oleum paint be advisable and lasting...

    Started by brico‎, 09-20-2021 11:39 AM
    • Replies: 4
    • Views: 1,151
    jim rosenthal
    09-21-2021, 10:53 PM Go to last post

  8. 1980 Hatteras 37 hull transducers

    While I have the drawings indicating all the 29 thru hull fittings for various systems, I do not have information about four thru hull transducers that are fitted. I know about two. The one near Port shaft is for depth sounder and one further forward on the Port side just aft of the hot water tank...

    Started by brico‎, 12-07-2023 09:35 PM
    • Replies: 3
    • Views: 232
    bigbill
    12-08-2023, 08:38 PM Go to last post

  9. GM Motor to Gear shock absorber question

    Hi, I have the GM AACW (Capstan & Wildcat) 600 Lbs windlass on my 1980 Sport Fishing sedan 37 and there is a rubber shock absorber connecting electric motor drive with the gear drive shaft. Both the motor and gear shafts terminate in 2' flange with two 1/4" pins which slot in the rubber shock...

    Started by brico‎, 10-30-2022 10:43 PM
    2 Attachment(s)
    • Replies: 1
    • Views: 378
    SKYCHENEY
    10-30-2022, 10:57 PM Go to last post

  10. Port fuel tank cleaning

    I have posted earlier about seeing my Port Racor fuel filter showing murky / strawberry color and pressure gauge showing issues by going into "yellow" range but have never experienced any engine issues or stalling/stopping even when the boat was rolling and rocking heavily. Even the previous owner...

    Started by brico‎, 09-22-2019 02:29 AM
    • Replies: 1
    • Views: 1,117
    jrmccoy
    09-22-2019, 09:38 AM Go to last post

  11. Dinghy suspension question??

    Currently on my 1980 Hatteras 37 with 12 Ft wide transom I have 8Ft Aquapro with aluminum bottom suspended on the swim grid on Weaver Davit system and I manhandle :( my 8HP Mercury outboard in an out of the dinghy when I want to move to the next spot. I seldom, if ever tow the dinghy behind the...

    Started by brico‎, 11-01-2020 10:23 PM
    • Replies: 2
    • Views: 1,006
    Hat43c1981
    11-02-2020, 05:33 PM Go to last post

  12. Porthole screens replacement

    On my 1980 Hatteras 37 Convertible I have four dental portholes which were (I believe originally) fitted with screens. They were made from two layers of thin plastic frames (matching colour of the porthole frame) sandwiching a single layer of plastic mesh/screen. As can be seen on the attached...

    Started by brico‎, 07-27-2021 12:49 AM
    2 Attachment(s)
    • Replies: 2
    • Views: 1,015
    rwaldrop13
    07-29-2021, 12:27 PM Go to last post

  13. Early '80s Hatteras 37 front blinded

    I've noted on Yachtworld.com that there a several Hatteras 37 from early 80s that do not have front windows. Was this a retrofit (blinding) by owners or this was an option from Hatteras? Those that do not have front windows also do not have lower helm station, reducing the maintenance and number of...

    Started by brico‎, 01-04-2022 12:45 AM
    • Replies: 7
    • Views: 1,319
    newinlet
    01-11-2022, 04:44 PM Go to last post

  14. Advice on fitting the transom mounted fish finder transducer

    I am planning on buying a Garmin Stryker Vivid Clear View 7" Fishfinder. I have an old Furuno FCV 667 Depth sounder/ Fish Finder which is very good for depth measurement, but unable to identify any fish. I have looked at YouTube videos for transducer installation but all are mainly for trailable...

    Started by brico‎, 07-28-2021 08:21 PM
    • Replies: 2
    • Views: 485
    Play'N Hooky Too
    07-28-2021, 11:30 PM Go to last post

  15. Engine Oil Pressure Gauges

    Recently I replaced engine oil pressure senders and gauges as old ones were not reliable and couple of gauges were broken.With new senders and gauges when the engine is started at say 1000 rpm to warm up or when hot and running at >1800 RPM the gauges are showing correct pressure, but if I reduce...

    Started by brico‎, 11-05-2020 11:31 PM
    • Replies: 5
    • Views: 14,491
    luckydave215
    11-06-2020, 10:59 PM Go to last post

  16. Raw water intake hose rating

    Hi, on my 1980 Hatteras 37 with twin Detroit Diesel 6/71 Naturally Aspirated I have inboard strainers with hoses running to the Jabsco raw water pump. The hoses are 2 3/8" ID Green Marine "Hard wall Marine Coolant and Type Certified wet exhaust service G381SAEJ2006R2" I am guessing that the PO...

    Started by brico‎, 05-17-2020 10:44 PM
    • Replies: 5
    • Views: 1,372
    MadHatter53
    05-18-2020, 03:43 PM Go to last post

  17. is there need for intake air silencer cleaning?

    Hi, is there a way to clean the square intake air silencer elements on naturally aspirated DDs? I believe there is some sort of mesh sponge material inside the elements, but they seem to be permanently fitted and impossible to open and replace. They are rectangular shape 8"x30" and 3" thick...

    Started by brico‎, 05-18-2020 12:44 AM
    2 Attachment(s)
    • Replies: 0
    • Views: 617
    brico
    05-18-2020, 12:44 AM Go to last post

  18. Dinghy outboard planing issues

    I bought new 10' inflatable with fibreglass bottom and it is 140lbs weight. I also got bigger (more powerful) 9.8 HP Tohatsu 4 Stroke outboard which is also heavier. The propeller is marked 8.5 diameter x 7" pitch. The engine is working excellently. I even wired the stater which came with it but...

    Started by brico‎, 05-24-2021 12:35 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 10
    • Views: 1,728
    Phasma2128
    06-10-2021, 05:18 PM Go to last post

  19. Is there such thing as tuning for Detroit Diesel engines?

    I have twin DD 6-71 Naturally Aspirated engines on my 1980 Hatteras 37 with roughly 2500 hours on each and I believe Starboard engine had an overhaul done in the past bit I do not have records and cannot guarantee that. Engines are running well. Start easily and in winter if I warm them up with a...

    Started by brico‎, 06-18-2022 11:04 PM
    1 Attachment(s)
    • Replies: 9
    • Views: 1,132
    brettportzer
    06-21-2022, 10:12 AM Go to last post

  20. Boat AC ground wire not connected??

    Hi, I opened up my shore power connection box to check the wiring and see if there is merit in replacing the "shotgun" fuses with newer style breakers as my transparent fuse covers are cracked and a bit "weathered'. As I opened it up I noted that the green "Ground" wire was not connected at the...

    Started by brico‎, 11-14-2020 09:30 PM
    4 Pages •
    1 2 3 ... 4
    4 Attachment(s)
    • Replies: 32
    • Views: 4,189
    doc g
    11-17-2020, 04:41 PM Go to last post

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