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Offline Jon_Dong

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Just had suspension set up - Average Results
« on: May 22, 2018, 04:29:33 PM »
Hi, just seen a local suspension specialist and had the bike looked at.

They spent some time on it and had me hop on and of several times making the adjustments. The main issue was the front felt very vague and not planted at all. That now feels better but the whole bike now feels so stiff and hard even in soft mode that i'm just bouncing down the road for much of the time.

Anyone got any ideas or is anyone local who might be able to help? I was expecting better results. I'm in Harrogate, North Yorks

I know it's a sportbike and I know the roads in the country are shite but this magic carpet ride that I hear everyone talk about with the DDC seems to still be out of reach. I'm about 87kg fully kitted
« Last Edit: May 22, 2018, 04:30:06 PM by Jon_Dong »

Offline Clinker7

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Re: Just had suspension set up - Average Results
« Reply #1 on: May 22, 2018, 05:07:16 PM »
Try slackening off both front and rear preload adjusters fully (anti clockwise)

Offline Jon_Dong

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Re: Just had suspension set up - Average Results
« Reply #2 on: May 22, 2018, 05:11:42 PM »
When you say fully, you mean as far as they will go? Would I be better doing a few turns at a time and trying it out?

Offline Clinker7

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Re: Just had suspension set up - Average Results
« Reply #3 on: May 22, 2018, 05:25:01 PM »
Go fully out and try it. If it's too soft increase the pre load gradually until you are happy. I had to do this.

Offline Jon_Dong

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Re: Just had suspension set up - Average Results
« Reply #4 on: May 22, 2018, 05:29:11 PM »
Wish me luck. It's more than likely that i'll pogo of the road!

Appreciate the help

Offline Paul

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Re: Just had suspension set up - Average Results
« Reply #5 on: May 22, 2018, 05:35:18 PM »
Follow the handbook information on setting your preload/sag. You're aiming for 6-10mm sag at the front and 20-24mm at the rear. Easy to do with a friend to help measure. I'm 85kg and have mine set within this range OK. I did both front and rear and found that it was important to keep front and rear balanced i.e. both ends either at the lower end of the range or both at the higher etc. If not, the DDC seemed to get itself in a knot. I tried to have more sag at the front as I like a bit more weight over the front but found the DDC tried to compensate and firmed up the damping making it really harsh. Once I balanced front and rear within BMW spec it solved that problem and the bike rides fine. Fully wound out at the front I can only get to 7mm sag setting so I set the rear at 21mm and its great.

Offline Jon_Dong

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Re: Just had suspension set up - Average Results
« Reply #6 on: May 22, 2018, 05:42:11 PM »
Thanks Paul. I don't have a stand at the moment. Luckily, I do have friends.

I'll keep trying

Offline Jon_Dong

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Re: Just had suspension set up - Average Results
« Reply #7 on: May 22, 2018, 08:23:24 PM »
*Originally Posted by Jon_Dong [+]
Thanks Paul. I don't have a stand at the moment. Luckily, I do have friends.

I'll keep trying

Paul, when you say fully wound out, you mean anti-clockwise?

Online Lowrance

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Re: Just had suspension set up - Average Results
« Reply #8 on: May 22, 2018, 08:34:22 PM »
How much do you weigh Jon?  Sorry...just re-read your post.  Thee should be sufficient adjustment to get you to the BMW recommended sag numbers.  Start there.  At 87kg you don't want to be at minimum preload.

Good luck.
« Last Edit: May 22, 2018, 08:38:46 PM by Lowrance »
Why is common sense so uncommon?

Offline Paul

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Re: Just had suspension set up - Average Results
« Reply #9 on: May 22, 2018, 08:39:48 PM »
*Originally Posted by Jon_Dong [+]
Paul, when you say fully wound out, you mean anti-clockwise?

Yes. Anticlockwise.

 


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