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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 11-20-2012, 02:15 AM   #31 (permalink)
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Quote:
Originally Posted by tonupdave View Post
If the clutch is dragging and causing faulty gear chages there is no adjustment you can make with the cable, unless you take out all the slack and some more as a get you home measure. Drag is usualy caused by wrong oil, buckled plates or uneven spring presure...The slack in the cable is there so that it doesnt load up the pushrod release mechanism and cause wear....The symptoms here are selection as you say something not right with the pawl selection hopefully its not the selector drum and selector forks if these are defective it will give the same problem..........
Hope they get it sorted...T.U.D.
The mechanic mentioned the selector drum as a possibility in the scenario, I am still waiting to hear from the Dealer, nothing heard yesterday, I will wait till they call as I don't like hassling them. They will contact me when they are ready.

I would expect them to change all linkage related stuff before delving deeper into the box. Looking at the Haynes to get to the selector drum the engine apparently has to come completely apart, although I may be wrong here.

Is this something I want or deserve with a brand new engine?

I politely requested that Triumph were asked to replace the entire engine if it came to that.....I was told this was unlikely to happen, Triumph were unlikely to authorise that.......

I am really not happy about their mechanic, no matter how good he is, stripping a brand new engine completely apart at this age.

In my honest opinion, a factory assembled engine will always be superior to one that has been stripped apart completely.

I will have to wait and see what happens, I tend to worry about things that haven't happened yet!

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Old 11-20-2012, 06:02 AM   #32 (permalink)
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I know how you feel I dont have any faith in the mechanics at my dealer, when I asked them a question on my bike what kind of plug socket they used I had my doubts as to their knolwege If you bought the bike new you have your rights to it being fixed properly by Triumph and I would cause a stir as the bike is not fit for use You dont need abike that has been played about by the mechanic you bought a new bike not a second had one.....See the C.A.B ...or someone about consumer rights..
My opinion only..good luck T.U.D.
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Old 11-20-2012, 11:57 AM   #33 (permalink)
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Been in touch with the Dealer, they have ordered a complete new gear change shaft and associated attached components from Triumph. Fingers crossed! It hasn't got to the drum yet!!!

Last edited by Hotboppincat; 11-20-2012 at 11:58 AM. Reason: Added text
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Old 11-20-2012, 12:08 PM   #34 (permalink)
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Talking

Quote:
Originally Posted by tonupdave View Post
I know how you feel I dont have any faith in the mechanics at my dealer, when I asked them a question on my bike what kind of plug socket they used I had my doubts as to their knolwege If you bought the bike new you have your rights to it being fixed properly by Triumph and I would cause a stir as the bike is not fit for use You dont need abike that has been played about by the mechanic you bought a new bike not a second had one.....See the C.A.B ...or someone about consumer rights..
My opinion only..good luck T.U.D.
I agree Dave, but it hasn't quite got to that stage yet. I must be patient!!! I quite often read the worst into a scenario!!!! It's that self preservation thing, coupled with a lifetimes experience of "**** Happens"

It's not that I don't trust the Mechanic, he seemed quite knowledgeable, the issue I have is with an early life engine being completely dimantled, this would lower its life expectancy. It could never be re-assembled exactly how it was in the factory.

If the shaft doesn't fix it, I will ask them what they want to do next. If they claim they have to take the entire engine to bits, I will speak to the Dealer about requesting a new engine from Triumph and then, if that didn't work, Triumph directly.

After that......well, if I didn't get satisfaction, it would have to be Trading Standards. But lets not go there at the moment!!!

To be fair, the Dealer has bent over backwards to be helpful, lending me their demo Bonny till it is done. I don't think they can do any more at the mo. They're friendly guys too, I don't want to piss them off, theres nothing worse than an arsehole customer, but it concerns me I may be expected by THE MANUFACTURER to put up with an engine that has been stripped down so early in its life. We shall see how this progresses. Nail biting stuff huh?

Hopefully the shaft and gubbins will cure it.

I have one card up my sleeve though......I haven't completed the Triumph New Bike Survey yet.....bwoar har har har har!!!

Last edited by Hotboppincat; 11-20-2012 at 12:19 PM. Reason: Text manipulated and added!
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Old 11-20-2012, 12:25 PM   #35 (permalink)
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Oh and but the way, anybody else discovered the jokes bit on here.....there's some crackers on there hehe
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Old 11-20-2012, 01:54 PM   #36 (permalink)
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From the OP: "...When I say 'difficulty' I mean that when you push on the pedal, it feels like the gear change selector mechanism is coming un-attached from whatever it is it engages with in the gearbox.....there is a clicking sensation (as if something is slipping or coming unengaged), and the pedal does nothing (it goes up and down, but doesn't change the gear down, the bike remains in the gear it was in before I tried to change). If it is depressed again and again (sometimes it takes up to five times) it will eventually connect inside the box, and change down the gear. If you let the clutch out again, it is still in the same gear as when you tried to change it."



Quote:
Originally Posted by Thruxton155 View Post
same bike...same year as well. I don't think anything is wrong. Mines done the same thing as well for over 7k miles now. I did have the shifter assembly come loose once...then it wouldn't shift at all. The gearbox has always been a little notchy.
If your bike exhibits that type of shifting issue, then your bike has a problem. Triumph would have been out of business long ago if this were normal.
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Old 11-21-2012, 03:09 PM   #37 (permalink)
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I am glad your dealer is being helpfull and I trust all will go well
It does concern me that there are other posts with this trouble on later bikes and I have heard this also from other owners
Keep us all informed...T.U.D.
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Old 11-21-2012, 05:13 PM   #38 (permalink)
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FWIW, I adjusted mine a little, and it seems a lot better. Thanks for the tips, you guys, and good luck with that dealer HBC!
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Old 11-21-2012, 06:05 PM   #39 (permalink)
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I've had this problem with my T100 for the past 10,000 kilometers, so therefore have been watching this thread hoping a solution is eventually found.

my bike has now reached about 70,000 kilometers and was always ok, but suddenly it started to show similar symptoms, especially going from 2nd to 1st. it felt like the gear lever was loose and not engaging anything.

I started a thread on this topic a month or so ago, and it was suggested that:-
a/ perhaps I have not been lifting my foot sufficiently in order to allow the gear lever to fully return,
b/ one of the springs that returns the lever may be stretched

it only happens occasionally and I have been mindful to make sure my foot doesn't get in the way of the lever to fully return and have not investigated the internals of the gearbox for the problem

but after reading this post, I do recall adjusting the clutch cable months ago that may have coincided with this problem, also, about 15,000 Ks ago I switched to a heavier engine oil. went from 10w-40 to 20w-50

however, I don't see how this would allow the gear selector lever to move freely as if not engaged with anything
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Old 11-22-2012, 01:49 AM   #40 (permalink)
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Quote:
Originally Posted by bonza View Post
I've had this problem with my T100 for the past 10,000 kilometers, so therefore have been watching this thread hoping a solution is eventually found.

my bike has now reached about 70,000 kilometers and was always ok, but suddenly it started to show similar symptoms, especially going from 2nd to 1st. it felt like the gear lever was loose and not engaging anything.

I started a thread on this topic a month or so ago, and it was suggested that:-
a/ perhaps I have not been lifting my foot sufficiently in order to allow the gear lever to fully return,
b/ one of the springs that returns the lever may be stretched

it only happens occasionally and I have been mindful to make sure my foot doesn't get in the way of the lever to fully return and have not investigated the internals of the gearbox for the problem

but after reading this post, I do recall adjusting the clutch cable months ago that may have coincided with this problem, also, about 15,000 Ks ago I switched to a heavier engine oil. went from 10w-40 to 20w-50

however, I don't see how this would allow the gear selector lever to move freely as if not engaged with anything
We have ruled out (a) and (b) in my case fella. And the Dealers Mechanic has agreed this is not what is causing the problem.

I can get mine to do it with the bike sitting on the centre stand, and cycling the bike through the gears with the engine running. And the Dealer has changed one of the springs to no effect. The other spring and entire shaft complete with mechanism is at the present being replaced.

Attached are 2 pics....the first one (with red pen on it) is from another post, and illustrates a faulty component that apparently caused a recall of some Street Triples. The second pic is an exploded diagram of the Thruxton components. Attached to the shaft is a similar mechanism to the Street, although it looks slightly different in this image. I think this is where the fault lies, in this mechanism.

We shall see.
Attached Thumbnails
Thruxton 900 Gear Change Issues-street-20triple-20gear-20change-20mechanism.jpg   Thruxton 900 Gear Change Issues-gear-change-mechanism.jpg  
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