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Offline Herby

Power Steering
« on: October 12, 2015, 05:45:14 pm »
I thought it was just my imagination but I confirmed it at the weekend, the power steering on my 2015 Cforce X8 looses sensitivity/power after about 40kph, it is fine on slower speeds or in rough stuff but as you speed up it gets so bad you have a job to steer it, it's like its almost pushing back at you, I have almost ran off the road because of it. Anyone else experienced this or heard of it?

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Offline NL800

Re: Power Steering
« Reply #1 on: October 12, 2015, 09:05:46 pm »
I have a 2014 and it works great at all speeds.
2014 Terralander 800 EPS
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Offline bezerk1

Re: Power Steering
« Reply #2 on: October 12, 2015, 09:14:21 pm »
I believe the power steering is designed to become less sensitive at higher speeds.  Steering effort is greatly reduced at higher speed.  I could be wrong but that's my understanding.  The power steering control unit has a speed input from the ECU to control sensitivity.

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Offline Jason

Re: Power Steering
« Reply #3 on: October 13, 2015, 12:49:00 pm »
I thought it was just my imagination but I confirmed it at the weekend, the power steering on my 2015 Cforce X8 looses sensitivity/power after about 40kph, it is fine on slower speeds or in rough stuff but as you speed up it gets so bad you have a job to steer it, it's like its almost pushing back at you, I have almost ran off the road because of it. Anyone else experienced this or heard of it?

Generally, speed-sensitive power steering is by design.  I can't speak to whether or not CF Moto designed it this way, but I would think (and hope that they did).

When you're travelling at lower speeds more input from the EPS unit is helpful because turning the tires at no/low speed is more difficult.  As you're travelling at faster speeds it should require less effort and not as much EPS input is needed.  It's also a safety feature so that someone doesn't get too much input from the EPS at high speed causing a rollover.

That's not to say you don't have a potential issue, but generally at higher speeds an EPS system is programmed to decrease its sensitivity.
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Offline NMKawierider

Re: Power Steering
« Reply #4 on: October 13, 2015, 03:41:54 pm »
If it's locking-up or fighting you as the speed increases, it has a controller problem and needs replaced. Do this before the main unit becomes damaged.
2015 Z Force 800 (53") EPS -
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Re: Power Steering
« Reply #5 on: October 13, 2015, 07:20:31 pm »
Mine works good at all speeds. I believe it does give less assist at higher speeds like most brands do, but it's not noticeable.
2015 ZForce 800EX EPS
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