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Online chuckxc

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Traction Control response
« on: December 10, 2018, 05:16:26 AM »
If anybody has come across any resourse material on triumph traction control operation I'd be interested.
Dumb question...if I run the 2018 XCX in gear on the centrestand, why doesn't the traction control cut in, given the front wheel is a different speed to the rear wheel  as the rear rotates?
Laterally unstable unless moving.

Offline K1W1

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Re: Traction Control response
« Reply #1 on: December 10, 2018, 05:42:37 AM »
I assume that maybe the speedo is driven off the front wheel rotation so the bike knows it is stationery.
Thing about it. If you were stuck in mud how would you be able to spin the back wheel to get out if the traction control stopped the rear wheel rotating when the front was not. There might be a lower forward speed that it cuts out at like ABS.

Offline CB250G5

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Re: Traction Control response
« Reply #2 on: December 10, 2018, 09:27:36 AM »
*Originally Posted by chuckxc [+]
If anybody has come across any resourse material on triumph traction control operation I'd be interested.
Dumb question...if I run the 2018 XCX in gear on the centrestand, why doesn't the traction control cut in, given the front wheel is a different speed to the rear wheel  as the rear rotates?

On my 2015 XRX, when I do this to oil the chain, the dash lights up like blackpool illuminations if I rev it above tickover.  It's OK at tickover, so I'd suggest the programming takes this particular use case into account.
2015 Tiger 800 XRx, Yamaha RD350YPVS special, Yamaha TDR250 (being rebuilt), Yamaha SRX400 Super Single and a Voskhod 175

Online chuckxc

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Re: Traction Control response
« Reply #3 on: December 10, 2018, 01:22:10 PM »
Speed sensor uses the rear wheel.
(Thats why the speedo indicates a speed when i run in gear on the centerstand.)

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Offline K1W1

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Re: Traction Control response
« Reply #4 on: December 10, 2018, 10:06:24 PM »
*Originally Posted by chuckxc [+]
Speed sensor uses the rear wheel.
(Thats why the speedo indicates a speed when i run in gear on the centerstand.)

Never tried that but the bike will still know that the front wheel is not rotating from the ABS sensor.

Online chuckxc

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Re: Traction Control response
« Reply #5 on: December 10, 2018, 11:22:06 PM »
I got the TC to cut in on the centerstand.

Like CB250G5's post, if I run up the rpms and then vary the speed with the throttle,  sure enough the TC warning light flashes on. I think it activates  above a certain speed, and then reacts to a too-rapid rate-of-change of rear wheel speed. Time to go play in the mud!
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Offline K1W1

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Re: Traction Control response
« Reply #6 on: December 10, 2018, 11:50:41 PM »
*Originally Posted by chuckxc [+]
Time to go play in the mud!

Where are you going to find mud near your place in December?
Accelerating over the braking bumps on dirt roads is a great way to cause the TC to have a hissy fit in summer.

Offline NORTY

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Re: Traction Control response
« Reply #7 on: December 17, 2018, 03:00:24 AM »
So thankful my XC doesn't have this foolishness!  :152:
MSF RIDERCOACH (RETIRED!) :)

Online chuckxc

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Re: Traction Control response
« Reply #8 on: December 17, 2018, 12:09:29 PM »
I also have a 2012 XC and rode it for six years and 140k kms. Must say my "foolish" 2018 XCx is a helluva  lot more fun. Switch it to offroad pro mode and it becomes a 2012 if I want.
 :152:
Laterally unstable unless moving.

 


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