Navman Fuel 2100
Printed From: The Fishing Website
Category: General Forums
Forum Name: The Boat Shed
Forum Description: Discuss all things boating.
URL: https://www.fishing.net.nz/forum/forum_posts.asp?TID=50640
Printed Date: 26 Jun 2026 at 4:57am
Topic: Navman Fuel 2100
Posted By: Jackson
Subject: Navman Fuel 2100
Date Posted: 13 Feb 2010 at 1:50pm
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Hi guys,
I can get hold of a Navman Fuel 2100 display, and transducer for just over $200.
I am looking for opinions from people who have these units, or have had them in the past. Is this a good deal? Are these units any good? I have read the previous threads on fuel computers and noted some people have had trouble with the transducers, but by the sounds of it this can be avoided by placing a filter upstream of the transducer in the fuel line.
Does anyone have any other comments or advice for me? The boat currently has only the standard fuel gauge with tank level sender.
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Replies:
Posted By: andrem
Date Posted: 13 Feb 2010 at 2:04pm
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I have one paid 250 for it used ex this forum. Bloody useful (when you first get it) was able to find the sweet spot for the outboard and the hull and save fuel. I do use it as a fuel guage and find it to be quite accurate. For that money I would grab it. Can sell for more than that if you dont like it ------------- Rehab |
Posted By: footey
Date Posted: 13 Feb 2010 at 2:08pm
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I had 2 and they both died. Both were upstream of 2 filters. They are useful when working but there in lies the problem! |
Posted By: tas-tackle
Date Posted: 13 Feb 2010 at 2:40pm
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Mines worked fine on two boats... just make sure you install the transducer vertically...
------------- http://postimage.org/" rel="nofollow">  http://www.tas-tackle.co.nz |
Posted By: mozz
Date Posted: 13 Feb 2010 at 4:05pm
| mine worked fine for 600 hours of regular use and was super accurate. I saved a tonne of gas when trolling and underway by finding the sweet spots. nice small gauge and very very easy to use. no complaints |
Posted By: Jackson
Date Posted: 13 Feb 2010 at 4:51pm
| Thanks guys, appreciate the opinions. |
Posted By: Spearsniper
Date Posted: 13 Feb 2010 at 5:43pm
------------- http://spearfishingreview.info" rel="nofollow - www.spearfishingreview.info "If at first you don't succeed, reload and try again" |
footey wrote:Posted By: MarkE
Date Posted: 04 Apr 2010 at 4:46pm
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I've had one for a year, was deadly accurate straight out of the box. However, within a few trips the accuracy has dropped and now it wont even read anything remotely close to what it should. Google "Navman 2100 fuel problems" - seems there are a few issues with them.
Wont be buying another.... ------------- Sea Strike 18' Centre Console - Under Construction.... http://www.fishing.net.nz/asp_forums/sea-strike-18-build-thread_topic87723_page1.html" rel="nofollow - Build Thread here |
Posted By: Jigg'rr
Date Posted: 24 Jul 2010 at 9:11am
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Hey Jackson, where were you able to get that Navman Fuel gauge and transducer from. I'm looking for one if anyone can help? Thanks |
Posted By: Jackson
Date Posted: 24 Jul 2010 at 5:04pm
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Hey mate, I got mine from Boat Bits in Takapuna, but it was just a one-off with damaged packaging on the specials table, so I'm not sure if you'll be able to get the same price again. The instrument has been going well though, pretty useful bit of kit.
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Posted By: marlinmarty
Date Posted: 02 Apr 2014 at 8:11am
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Anyone seen replacement fuel kits I mean the fuel transducer I am looking for the twin deisel kit ------------- http://www.legasea.co.nz" rel="nofollow"> 
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Posted By: Apex Predator
Date Posted: 02 Apr 2014 at 10:56am
Navman fuel computers haven't been made for a few years now. Parts are like rocking horse **** so if you find them best to buy them. From what I understand their system was unique meaning that their parts were not interchangeable with any other brands fuel flow sensors etc). They do use NMEA2000 though so can connect into most other brand plotters etc.
A common problem with the 100mm square head units is failure of the ribbon between the mother board and the lcd screen. There is/was an electronics repair company called Equal Electronics that has a couple of the former Navman techs who can repair this.
I have a diesel 3100 unit and its good for all the reasons listed above, particularly finding most economical cruise and trim etc. Can't say its that accurate, about 10-15% out at cruising revs and 25-30% wrong at trolling revs. It's on the right side though so always more gas in the tank than the unit shows which is a good thing. Have a BEP electronic fuel gauge with ultrasonic sender and these are the ducks nuts for showing fuel remaining. Accurate almost to the litre in my 350l/1.6m long x300mm deep tank.
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Posted By: otdrmn
Date Posted: 06 Apr 2014 at 12:54pm
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I have a not going navman (northstar) M84 that's not going that has a fuel transducer that was going last time the unit was, check out the buy sell exchange forum if you want it ------------- The 4 R's ~ Rods, Reels, Rifles, Rooting |