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#363868 - 03/19/11 5:36 pm t160 petrol tanks  
Joined: Mar 2011
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lace remington Offline
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lace remington  Offline
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cheshire
hi, 2 questions, does anyone know the difference in the 2 t160 tanks, USA and UK , i know the USA is smaller than the UK but by what size? when you see them seperatly they look the same to me, especially in photographs, what's the measurement across the back where they meet the seat, and is this where to look to disguingish the pair.
also out of the two petrol taps on the tank which is the reserve one? thanks.

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#363882 - 03/19/11 7:00 pm Re: t160 petrol tanks [Re: lace remington]  
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L.A.B. Online content
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Norfolk, UK
Originally Posted By: lace remington
does anyone know the difference in the 2 t160 tanks, USA and UK


Often incorrectly listed as "2.5 Imperial gallons" - "US", and "3.5 Imperial gallons" - "UK/Gen. Export" the T160 tanks are in fact nearer 3.5 Imp Gals - US, and 5 Imp. Gals. UK/Gen.Ex.


Originally Posted By: lace remington
what's the measurement across the back where they meet the seat,


The 'US' tank on my T160 is approximately 6.5 inches wide, I think the UK tank is around 8 or 9 inches.


Originally Posted By: lace remington
and is this where to look to disguingish the pair.


The UK 5 gal. tank is wider, and also noticeably bulkier at the rear.
Some UK tanks also had an additional self adhesive central stripe on top, running front to rear.


Originally Posted By: lace remington
also out of the two petrol taps on the tank which is the reserve one?


The one that runs out of fuel last.

Could be either, as owners often swapped them over to suit their own preference.

#363910 - 03/19/11 8:36 pm Re: t160 petrol tanks [Re: lace remington]  
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The easiest way you can determine the reserve petcock is to remove them. The main valve will have a brass tube extending out the top, inside the screen, that only flows to that level. The reserve will not have the tube.

#366330 - 04/03/11 2:18 am Re: t160 petrol tanks [Re: 750 Tracker]  
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The Chad is Good Offline
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I have a 5 gal t160 tank on my bike. I thought it was just a option rather than a UK model since about all of the t160 went to the US market. My tank is about 13" at it's widest point. Very noticeable on the bike with it's size. It does have 2 taps. Does not have anything for a chrome strip down the center. Not sure which is reserve myself. The two that I have come across didn't have badge holes.

#366372 - 04/03/11 10:02 am Re: t160 petrol tanks [Re: The Chad is Good]  
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Originally Posted By: The Chad is Good
I have a 5 gal t160 tank on my bike. I thought it was just a option rather than a UK model since about all of the t160 went to the US market.


"US" or "UK/Gen export" is just a way to identify the two different capacity tanks, as your T160 is unlikely to be a UK model-not that there was much difference between the two. However, I wouldn't agree that "about all" T160s went to the US.


Originally Posted By: The Chad is Good
Does not have anything for a chrome strip down the center.


The extra "strip" often applied to the large tank was just a self-adhesive stripe.


Last edited by L.A.B.; 04/03/11 11:24 am.
#368751 - 04/18/11 3:22 pm Re: t160 petrol tanks [Re: L.A.B.]  
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lace remington Offline
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cheshire
hi, found out which one of my petrol taps is the reserve today, as i nearly ran out of fuel through riding with both of them on. so now painted the one on the right as you sit on the bike red. tut tut..

#368765 - 04/18/11 5:00 pm Re: t160 petrol tanks [Re: lace remington]  
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Originally Posted By: lace remington
hi, found out which one of my petrol taps is the reserve today, as i nearly ran out of fuel through riding with both of them on. so now painted the one on the right as you sit on the bike red. tut tut..


Some Trident owners (myself included) prefer to use two taps which have both main and reserve, so they can ride with two taps open, but still keep a reserve supply.

#368771 - 04/18/11 5:20 pm Re: t160 petrol tanks [Re: L.A.B.]  
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lace remington Offline
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well i've never heard of doing that before, in all my years of riding bikes, why would you want to keep both taps open, i can't see any point of that because the floats will only allow fuel to fill the carbs to the required level and then cut the fuel flow off. please let me know why trident owners do this i must be missing out on something.. cheers.

#368834 - 04/18/11 11:14 pm Re: t160 petrol tanks [Re: lace remington]  
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Stuart Online content
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Hi,

Originally Posted By: lace remington
why would you want to keep both taps open, i can't see any point of that because the floats will only allow fuel to fill the carbs to the required level and then cut the fuel flow off.

Because if you use a triple's performance, some taps aren't capable of keeping up with the engine's fuel use, meaning the carb. furtherest from the tap doesn't get enough fuel, which means the cylinder runs weak, which means the the piston is beatified (made holey - sic) ... wink

The recommendation to use both taps was contained in most, if not all, official triple Owner's Handbooks.

Hth.

Regards,

#368838 - 04/18/11 11:39 pm Re: t160 petrol tanks [Re: Stuart]  
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L.A.B. Online content
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T160 Owners' Handbook, p.12:
http://www.classicbike.biz/Triumph/OwnersManuals/1970s/75T160OwnersManual.pdf
Quote:

"Note:- When the machine is used at continual high speed or maximum acceleration, both taps should be opened to ensure that a sufficient quantity of fuel is available."

Last edited by L.A.B.; 04/18/11 11:49 pm.
#368893 - 04/19/11 9:19 am Re: t160 petrol tanks [Re: L.A.B.]  
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lace remington Offline
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cheshire
well that might explain why the end plug always looks the right colour sort of brownish, and the other two look as if they are running rich? can never get all three running on the same mixture, i'm now going to run my old girl on two taps and see if that helps with the plug colours, but i must say she does run ok. i've got the air screws out 2 full turns on all three carbs, and still 2 plugs look like they have been painted with satin black, and of course the air filter is ok, what do you reckon, i heard you should run a bit rich rather than to lean thanks for your advice... dek..

#368946 - 04/19/11 3:23 pm Re: t160 petrol tanks [Re: lace remington]  
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Originally Posted By: lace remington
but i must say she does run ok. i've got the air screws out 2 full turns on all three carbs, and still 2 plugs look like they have been painted with satin black, and of course the air filter is ok, what do you reckon, i heard you should run a bit rich rather than to lean


I would be reluctant to try to offer any specific advice based on the information given so far.
I can only suggest you use the AMAL tuning procedure to check the carb settings?

http://www.amalcarb.co.uk/downloads.aspx
http://www.oldbritts.com/amal_tun.html
http://www.amalcarb.co.uk/TechnicalDetail.aspx?id=11

What make and type of spark plugs are fitted?

#368977 - 04/19/11 5:13 pm Re: t160 petrol tanks [Re: lace remington]  
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lace remington Offline
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lace remington  Offline
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cheshire
hi , i've used NGK B8ES and B9ES. in the past but found these unreliable, if she wouldn't start they would quickly wet up, and that was that. denso's good. but i use these now BOSCH SUPER WR 7 DCX, gapped to 1.1 mm, never had any trouble with them ,she starts first kick, or on the starter first time every time. you just know she will start. very confident with them. by the way that carb info, will come in handy one day i'm sure. thanks again for your help..



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