954RR Suspension adjust... - Sportbike Forum: Sportbike Motorcycle Forums
 
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post #1 of 6 (permalink) Old 11-24-2003, 08:59 AM Thread Starter
 
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954RR Suspension adjust...

OK, I adjusted all of the suspension to stiffer setting. I didn't max anything out. I tool basic stock settings and did the math to get aprox. ratio's for setting changes occurring for turn degrees on the pre-load comp. and rebound. All were tunred to a % harder than stock. Front: Pre-load about 17% more than stock, comp. about 22% and rebound about 24%. Rear Pre-Load to #6 from #3 notch, comp harder by about 20% and 20% on rebound.

Now, this being done my turning stability is outstanding. There are two down falls. One It rides rough; Don't care, it corners awsome. Two, on heavy accelerations in 2nd gear I have noticed a increase tendency to give a head shake. That shit will drive you insane. It is avoidable. It only happens in the 6k rpm or lower range during hard accell in 2nd. If you come out of 1st high and accell hard into 2nd from 7k or higher it just takes off like a bat out of hell, no shake.

Now. 1 why would that happen and 2 is there anything besides a stearing dampner that I can tweak to help compensate for the shake without losing the corner stability?

Any input is apreciated.
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post #2 of 6 (permalink) Old 11-24-2003, 10:09 AM Thread Starter
 
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Even if its just correcting my jacked up spelling...
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post #3 of 6 (permalink) Old 11-24-2003, 10:12 AM
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Quote:
Originally posted by BikesRToyz
Even if its just correcting my jacked up spelling...
Ok..."damper", not "dampner".





Good enough?

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post #4 of 6 (permalink) Old 11-24-2003, 10:28 AM
 
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Re: 954RR Suspension adjust...

Quote:
Originally posted by BikesRToyz

... a stearing dampner ...

and its Steering, not stearing.
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post #5 of 6 (permalink) Old 11-24-2003, 10:44 AM Thread Starter
 
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Well, I was figuring that by saying something about my own spelling you guys would leave it alone. Guess Not...
I know you didn't know but I don't have fingers and I have to type with my nose. To make things worse I am a bit far sighted. So your corrections hurt a little, but Im used to it. This will probably be the last post today, I have a cold and now some of the keyssssssssssss are stickinggggggggggggggg.

Any ideas on the suspension...
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post #6 of 6 (permalink) Old 11-25-2003, 05:50 AM Thread Starter
 
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Some other people are telling me to check the sag and static sag. I think thats great and all but can that cause a straight line head shake? One I like the damping I do think the pre load may be a little hard. Also I do understand that the % numbers I have given are hard to read if you dont know the stock or turn numbers. Anyway the sag. I am getting very little static sag. 3mm, but I am getting only about 20mm rider sag. I would like to give you exact # but i only had one person to help hold the bike up. At any rate I am calculating I need about 30 mm.
But still , would this have anything to do with the head shake.

Dad help!
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