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Old 08-02-2011, 07:00 PM   #7621
TAMPAJIM
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You may have a point. That vent is very low.
It's my understanding that vent serves as a air intake to equalize negative pressure in the fuel tank caused by the fuel pump. If water temporarily blocked it, maybe a sensor that controls the system sent an error message to the computer..

Does seem a bad place to mount a canister on a dual purpose bike. The BMW one is up around the cylinder heads.

You could test it by starting the bike then blocking off the vent

Disclaimer: I'm just speculating, I really don't know much about this technical stuff..
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Old 08-02-2011, 07:07 PM   #7622
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Quote:
Originally Posted by TAMPAJIM View Post
You may have a point. That vent is very low.
It's my understanding that vent serves as a air intake to equalize negative pressure in the fuel tank caused by the fuel pump. If water temporarily blocked it, maybe a sensor that controls the system sent an error message to the computer..

Does seem a bad place to mount a canister on a dual purpose bike. The BMW one is up around the cylinder heads.

You could test it by starting the bike then blocking off the vent
Me, I would reroute that hose intake up ......... and I'm noting this as well, for when I do buy one .....

And my dislclaimer: I too, know really nothing about this stuff .....

G.
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Old 08-02-2011, 07:16 PM   #7623
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Originally Posted by G-Funk View Post
Me, I would reroute that hose intake up ......... and I'm noting this as well, for when I do buy one .....

And my dislclaimer: I too, know really nothing about this stuff .....

G.
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I know the same. I'm thinking that right angle hose is an overflow. Meant to drain the canister when/ if it fills up w/ whatever it fills up with. I hope Triumph figures out all this stalling, idling, poor running bullshit by the time you are ready to buy one. If not, don't buy one yet.

I'm totally frustrated with my bike. Want a replacement or refund and told the Customer Relations Manager at Triumph so. He's not responded since...

I'm gonna try the test- blocking it off while running- in a bit....
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Old 08-02-2011, 07:22 PM   #7624
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Me, I would reroute that hose intake up ......... and I'm noting this as well, for when I do buy one .....
Use a T piece to route another hose high up because that thing might also be an overflow ...
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Old 08-02-2011, 08:02 PM   #7625
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A simple check valve would prevent backflow, but since the majority of the people having the issue are having it without fording a river I would say you are chasing ghosts if you focus on the canister. This at least is easy to test. Stick the tube in a cup of water while it is running to see if it sucks it in
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Old 08-02-2011, 09:44 PM   #7626
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Originally Posted by ButtonPushingMonkey View Post
A simple check valve would prevent backflow, but since the majority of the people having the issue are having it without fording a river I would say you are chasing ghosts if you focus on the canister. This at least is easy to test. Stick the tube in a cup of water while it is running to see if it sucks it in
Brilliant!!
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Old 08-03-2011, 05:16 AM   #7627
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Stalling in closed loop

If the Tiger is indeed in closed loop mode at idle, I would try to disconnect the O2 sensor and see if that makes a difference.

This should force the bike to operate in open loop mode all the time which is no big deal.

When engine breaking on the Tiger, there is a lot of noise coming from the cat. This is unburned fuel igniting as it hits the very hot cat. Maybe the computer is reacting to all that excess fuel in the exhaust and leaning the bike out causing it to stall. It starts again when the throttle is opened a tad because the ECU sees that the throttle is no longer in the idle position and moves to a section of the map that is open loop.

Just a thought.
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Old 08-03-2011, 08:21 AM   #7628
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Question

I wonder what effect a Power Commander (or Power Commander like device) would have on the stalling issue??

According to the Power Commander site they are in the process of developing one for the 800.


http://www.powercommander.com
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Old 08-03-2011, 08:36 AM   #7629
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Originally Posted by Porky View Post
I wonder what effect a Power Commander (or Power Commander like device) would have on the stalling issue??

According to the Power Commander site they are in the process of developing one for the 800.


http://www.powercommander.com
You shouldn't have to buy a solution. Triumph will soon solve the problem and all will be well in tiger land.

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Old 08-03-2011, 09:17 AM   #7630
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tiger 875cc turbo diesel twin

Bring the twin back, with a twist...am I the only one who thinks the tiger would be heaven with the new fiat tdi 875cc twin?

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Old 08-03-2011, 09:42 AM   #7631
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Bring the twin back, with a twist...am I the only one who thinks the tiger would be heaven with the new fiat tdi 875cc twin?

Yes

I'll stick with my triple thanks...
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Old 08-03-2011, 09:43 AM   #7632
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am I the only one who thinks the tiger would be heaven with the new fiat tdi 875cc twin?
Yes.
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Old 08-03-2011, 10:09 AM   #7633
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Quote:
Originally Posted by ButtonPushingMonkey View Post
Bring the twin back, with a twist...am I the only one who thinks the tiger would be heaven with the new fiat tdi 875cc twin?
Yes
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Old 08-03-2011, 10:38 AM   #7634
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Quote:
Originally Posted by ButtonPushingMonkey View Post
A simple check valve would prevent backflow, but since the majority of the people having the issue are having it without fording a river I would say you are chasing ghosts if you focus on the canister. This at least is easy to test. Stick the tube in a cup of water while it is running to see if it sucks it in
The charcoal canister is a possible culprit for stalling from stream crossings but not for the majority of the T800 stalling cases reported.. In the BMW case, it was sucking in enough water to somehow shut the engine down but I don't think it was filling the canister. You could shut the motor off, let the water drain out of the hose and it would restart but sometimes run a little ragged. Never happened to me because I re-routed the vent hose away from the rear tire and didn't cross streams, but I did see it happen to others while riding in the rain at highway speeds..

The tube-in-the-water test sounds good, but work the throttle as if riding
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Old 08-03-2011, 10:40 AM   #7635
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Use a T piece to route another hose high up because that thing might also be an overflow ...
I agree.
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