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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 12-04-2012, 08:32 AM   #71 (permalink)
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Quote:
Originally Posted by tonupdave View Post
Perhaps now many miles of untroubled riding .........Fingers crossed
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Whats my chances?
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Old 12-07-2012, 01:59 AM   #72 (permalink)
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They fixed the cutting out problem, but it still has the 'hunting'problem (uneven revs whils cruising at low throttle input regardless of speed, it seems to drag then accellerate, drag, acellerate etc, if you open it up it clears it's throat and its ok again for a bit), I will whip the tank and seat off over the weekend and check EVERYTHING to make sure nothing is loose, pipes, connectors etc. If I can't see it easily, it will have to go back. It could be a spark plug breaking down, I will change those first to eliminate, but it almost seems like it is sucking in extra air somewhere it shouldn't, like the inlet manifold gaskets. I will check all this.
Strewth!

Trouble is, I have no garage, so its not easy working round the weather at the moment with regard to testing her thoroughly over an extended period! Even taking the tank off requires it to be dry for at least a few hours........bloomin' weather!

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Last edited by Hotboppincat; 12-07-2012 at 02:03 AM.
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Old 12-07-2012, 03:16 AM   #73 (permalink)
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Sounds like the efi lean running in closed loop mode. Caused by the efi running at 14.7 air/fuel ratio at low throttle/ revs. There's a guy in Aussie selling o2 controlers that change the setting to 13.6 using a black box that goes in series with the o2 sensor. Put one on my yamaha 660, another bike that suffers the dreaded surge and it worked a treat. Not sure if it will work on the Triumph though. One of piemans efi maps will probably cure it.
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Old 12-07-2012, 05:41 AM   #74 (permalink)
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Sorry to here this its not right on a new bike....Have they not road tested it? they should have...I know you dont want to upset the Dealer/Mechanics etc. Take it back the bike was sold to you as fit for use and it is obviously not Start getting stroppy and demand Triumph gets involved or money back!!!
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Old 12-08-2012, 10:57 AM   #75 (permalink)
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Right, I took her out for a good run today (as it is the first dry day since I got her back), the gearchange issue is back, as before, just with the emphasis on different gears, and it has a low throttle input (like when you are cruising at a set speed with minimal throttle input) hunting issue. This is not my immagination, I think I am going mad!!!

Been on to the dealer, they are now sending out their mechanic who I have agreed can ride it back to the dealership, so he can thoroughly evaluate the symptoms.......

But that means I am limited to my Wifes 125 Hodna again, and its supposed to be a nice day again tomorrow.......

I have a solution.........

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Old 12-09-2012, 05:11 AM   #76 (permalink)
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I would ask the dealer to supply a bike say a street triple for your inconvenience ......
Good luck....We areall Rooting 4 U
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Old 12-09-2012, 07:24 AM   #77 (permalink)
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I would ask the dealer to supply a bike say a street triple for your inconvenience ......
Good luck....We areall Rooting 4 U
T.U.D.
I did that once, it involved running back to their shop with their demo when mine was fixed to collect mine, thing is now I am pis**d off with spending MY money on fuel to get there, and my time, etc etc, the weekend is the only time I get to do jobs at home, so I decided I would let them come and get it and return it to me.

And I keep getting my engine ripped apart, when this should not be happening on a bike this new.

I think this time, I am going to push for a whole new engine from Triumph.....they have already changed EVERYTHING except the gear clusters and shafts, what more is there to go wrong. Looking at the exploded diagrams, there is no more left to change.

I think the best thing to do is to get the bike back to Hinkley, let the Triumph tech guys look at it, not the Dealer. The Dealer has done all he could do and more besides.......

I think I have a 'Pup' of a gearbox.

There must be something wrong with the machining or something. I am at a loss.

I thought it might be something I am doing wrong changing gear, but their Bonneville never missed a beat all week, and it had only done a few hundred miles (certainly no more than my Thrux has now) when I took it out on the very first test ride, a few months ago, it was fine, lovely smooth changes. The Thrux is a lot more clunky and imprecise.

As my old chap used to say 'Bug**red if I know!'
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Old 12-09-2012, 07:27 AM   #78 (permalink)
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Quote:
Originally Posted by plodalong View Post
Sounds like the efi lean running in closed loop mode. Caused by the efi running at 14.7 air/fuel ratio at low throttle/ revs. There's a guy in Aussie selling o2 controlers that change the setting to 13.6 using a black box that goes in series with the o2 sensor. Put one on my yamaha 660, another bike that suffers the dreaded surge and it worked a treat. Not sure if it will work on the Triumph though. One of piemans efi maps will probably cure it.
Yeah thanks for that, this is a NEW bike fella. Not touching it. Shouldn't do it. Period! Not my place to fiddle, shouldn't need to.
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Old 12-09-2012, 06:42 PM   #79 (permalink)
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Yeah thanks for that, this is a NEW bike fella. Not touching it. Shouldn't do it. Period! Not my place to fiddle, shouldn't need to.
based on that I would say that the forum can not offer a technical solution that you could use to fix the problem, therefore as it is a brand new bike under warranty the problem can only be resolved by yourself, the dealer and triumph.

as there have been several attempts to fix the problem to no avail maybe it is time to take it right up to Triumph and the dealer insisting on another Thruxton to replace what seems to be a lemon. there must be consumer laws you can cite to help you
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Old 12-10-2012, 02:47 AM   #80 (permalink)
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based on that I would say that the forum can not offer a technical solution that you could use to fix the problem, therefore as it is a brand new bike under warranty the problem can only be resolved by yourself, the dealer and triumph.

as there have been several attempts to fix the problem to no avail maybe it is time to take it right up to Triumph and the dealer insisting on another Thruxton to replace what seems to be a lemon. there must be consumer laws you can cite to help you
Sorry, you are absolutely right. I'm just sharing my experience now for the benefit of others that may experience this in the future.

I am expecting the Dealer to call this morning with a proposed solution. I have checked out where I stand legally, apparently as the bike is on HP, and is not what I would consider 'fit for purpose', the HP (credit) company are supposed to be the people to sort all this out. (The bike is theirs, hired to me under the credit agreement until I pay the last payment, thats how HP works). I am the registered keeper, not the legal owner etc etc.

My preferred option is to ask the Dealer to ask Triumph to take the bike back to Hinkley for investigation at their technical department, and a possible engine exchange, with a view to financial compensation for the inconvenience.

As I can't see that the Dealer can do any more than he already has (replace all the gear change components), I believe we have got to this stage.

If they won't do that, I will contact the Credit Company and take advise from them. I am covered under the Sale Of Goods Act 1974.
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