Fuel tap with reserve to fit a Navigator?

Me too. I’ll have a look at Bristol bike show at the weekend! 

If you can find an original long bodied Ewarts tap Fitted to many Nortons Stamped UK pat 758264&abroad. Pull on .then turn and pull again for reserve, I have some spare original plungers .  This is the tap I use on my 99 . Have not had a problem for years with mine.Make sure it comes with screw to secure plunger,these are especially difficult to replicate.

My problem has been finding a fuel tap short enough that the fuel flows downward to the card and not up.  And, of course, finding one to match the thread in the tank is a challenge.

Thanks for tip Nick.  My current tap is barely workable.  So, I definitely plan to look into your solution.

Jack

It appears the 90 degree adapter number is 93/14.

I have a double pull tap on my Navi with a 90 degree elbow. Fuel flows almost horizontally towards the carb. Haven´t used the reserve tap so far.

Nicholas,

I bought the tap on Ebay.UK. Look for Ewarts taps. I also ordered new plungers and corks.

I rebuilt the engine in November and made a short ride on a warm day in December.

The bike ran fine with the correct ignition timing (check, check, double check!!)

I returned to my workshop and the timing side looked like this:

Looks like oil came out of the top screws of the cover and also the ignition housing.

Currenty I have no time to adress this problem, I am moving into a bigger workshop, luckly it is next door. When I have set up my stuff, tools and workbench I will have a look.

Hi Nick,

I've fitted the modern tap and 90 degree outlet fitting listed on the NOC Shop.

The original Ewarts pull-for-on was so stiff it seemed to flex the bottom of the tank when opening. And it leaked after a while.

The rotary on-off in modern material is much better.

If anyone can find a similar rotary tap with reserve function to fit the Lightweight tank thread (1/8 BSP) let us know please. Not many bikes use this small thread. Bantams did. Other Nortons and most British are 1/4 BSP connection to the tank.

Happy riding

Peter

I bought one like Ulrich’s,  new from CMS Exeter, it leaked badly even with new corks. So am looking for a better design with out the push pull cork plungers.

My Ewarts fuel tap with reserve also started to leak despite of new corks.I bought 3x3mm NBR 70 O-rings and fitted them. Hope they last longer. You can put three rings on the holder. In the picture you see a spare fuel tap body without filter mesh. It is also an old dried out cork. My tap is with mesh. I had to drain the tank first.

You can get good service from a cork tap. The quality of the cork is important ,not fissured. The size is also critical, too loose--leak,too tight can't operate.  and the fit from dry to wet varies. Not that easy to size once wet!. Tank rust sediment will also wear out the cork .  Allowing the tap to dry out while stored over winter ,not good. . The double action tap with one cork has less things to leak. Mine has worked ok for some years now ,so it is possible.

Robert I challenge you to get my ewarts Tap (modern copy) to stop leaking! For the moment I’ll try Uli’s fix and see if that works.  I’ve not found anything else that fits.

Dan 

How is it that this thread has re started without a post with a current date ? .I probably have a tap anyway .will look.

New posts that are replies to previous posts now appear after the post they are replying to, rather than at the end as used to be the case.  Had me fooled for a while, and means a long thread has to be searched to find the new entry.  Or some may simply get missed altogether - not the cleverest system.

I got fed up with trying to resurrect dried out cork taps so went with a modern tap.No reserve but I believe a reserve version is available.
I notice that the club has old shop style "cork" taps available with a 7/16" thread, my tank has an1/8" BSP thread.

... I found this on ebay. Seems to work very well on my Electra although the outlet points in the wrong direction and it doesn't look the same. As if that mattered.....

https://www.ebay.co.uk/itm/225090873785

Would be nice if someone would post a photo of a correct tap .I may have one and it may help work out a practical alternative .

The post on the 20.8.2022 had photos of an orriginal tap with the horizontal outlet. not sure if the tank thread was the same for the different lightweights.

This is what I had (& posted) in original thread. Don't have it anymore though!
Bruce

The setup that Paul has on his DL Dommy is ideal as it avoids getting trapped by side panels .,possible that vapourisation may occur with the proximity of the hot manifold . Insulate ?