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#Post#: 1827--------------------------------------------------
Fuel Tap
By: krisztian_andre Date: February 26, 2017, 1:00 pm
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Hi,
how can I renew my fuel taps (NF Mil.), mine either leak or are
stuck open?
Br,
Kris
#Post#: 1829--------------------------------------------------
Re: Fuel Tap
By: banquo Date: February 27, 2017, 11:30 am
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The rubber seals swell due to ethanol in today's fuel, causing
seizure and leaks. It's possible to strip and rebuild the taps,
and you can cut new seals from Viton sheet, which is supposed to
be ethanol and fuel resistant.
LEGEND: 1 = Satisfactory, 2 = Fair, 3 = Doubtful, 4 =
Unsatisfactory, X = Insufficient Data
Nitrile
ton
Ethanol
Gasoline
Fluorosilicone would probably be better according to the above,
but I know people have used Viton before
You need to be patient and careful with marking and cutting. The
originals would have been die-cut, but we don't have that luxury
at home...
New ones are available on eBay, but they are VERY expensive
#Post#: 1901--------------------------------------------------
Re: Fuel Tap
By: JonathanCollier Date: April 15, 2017, 10:31 am
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Can you remember off hand how thick the viton sheet needs to be?
2mm?
#Post#: 1902--------------------------------------------------
Re: Fuel Tap
By: banquo Date: April 15, 2017, 4:37 pm
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1.5mm. Since this was posted, someone on our Facebook group
pointed us towards brand new taps available at about 26 Euros
each, about 1/4 of the price others are selling them for. Same
cubic pattern taps it seems
#Post#: 1930--------------------------------------------------
Re: Fuel Tap
By: JonathanCollier Date: April 23, 2017, 4:09 pm
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Ive cut two new washers from the 1.5mm viton sheet, now working
a treat, thanks for the info.
#Post#: 1931--------------------------------------------------
Re: Fuel Tap
By: banquo Date: April 23, 2017, 4:22 pm
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Result! 8)
#Post#: 1951--------------------------------------------------
Re: Fuel Tap
By: banquo Date: May 2, 2017, 8:07 am
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Was that you I met at the weekend Jonathan? I couldn't remember
the name, but yours was one of the few without an alias... ???
#Post#: 1955--------------------------------------------------
Re: Fuel Tap
By: JonathanCollier Date: May 3, 2017, 4:04 am
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No sadly I didnt make it down, my NF is still poorly.
#Post#: 1956--------------------------------------------------
Re: Fuel Tap
By: banquo Date: May 3, 2017, 4:08 am
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Sorry to hear that; what's up now?
#Post#: 1958--------------------------------------------------
Re: Fuel Tap
By: JonathanCollier Date: May 3, 2017, 4:45 am
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Starting well, but seems to be rich at idle with closed
throttle, when the slide is lifted with the adjustment screw at
all it idles really high and I cant get a decent balance between
choking up/stalling and high idle - incredibly sensitive to this
setting. Carb body is back at the utrasonic bath and I've
ordered a new needle as there was some weird erosion on it which
might not have been helping, fingers crossed. The weather is
great and I'm between shifts so its murder not being able to
ride it.
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