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Post by Gangplank on Sept 10, 2010 16:05:09 GMT -8
So I am picking up a new bike and I've been looking at some different suspension settings for it.
Starting point will be to check the sag. Gonna need a little help to set mine. It's not a solo job. :-D After that here is what I have found as basic set up for this bike on the street: 25 to 30 mm of sag right?
Front Forks:
Spring Preload - 5 to 9 turn out from full stiff
Rebound - 1.25 to 1.5 turns out from closed
Compression - 1.5 to 2 turns from closed
5-8 mm of fork protruding above tripples
Rear settings:
spring preload - either 178.5mm or 8mm preload showing on top of adjustment collar
high speed compression - 2.5 turn out from stiffj (hexagon screw on rear shock)
Low speed compression - 2 turns out from stiff (screw on rear shock)
Rebound dampening - 17 to 19 clicks from full stiff (can adjust to 14 to get it feeling good)
Rear ride height - raised 6mm with spacer ("Rear shock is fully adjustable for preload, compression and rebound damping. Ride height can be adjusted by adding/removing optional 1mm shims at the upper shock mount" and it seems a lot of people prefer to raise the rear ride height on this bike to get quicker turn in)
Anyone want to give me a hand setting it up? I'd like to do it before the next trackday weekend.
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Post by Oneup on Sept 10, 2010 16:17:19 GMT -8
What is your next trackday weekend? My suggestion is don't waste your time messing with it until you talk to a suspension guy. Nothing you find on the internet or settings anyone else tells you will be correct. Every suspension set up is different and they need to be tweaked by someone that knows what they are doing.
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dub
Committee Member 
Wiles
Posts: 809
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Post by dub on Sept 10, 2010 16:30:15 GMT -8
^ This.
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Post by Admin on Sept 10, 2010 16:43:48 GMT -8
OK. I have a question about this. I had my suspension done by the BEST last track day (Dave Moss). I felt my suspension worked really well at RFR at the time but figure "what the hell" (it was soft according to him). He made it stiffer and I had a hell of a time keeping the front end from sliding. So we spent the rest of the day tweeking. Never did feel as good as what I had originally had done for RFR. By the end of the day I was almost back to where I started.
So my question. I understand that each track has to have different settings right? So previously, my suspension was done by a tuner who actually rode RFR and he got it pretty damn good. Dave (no offense to him) had never ridden RFR and didn't know it was made of dried oatmeal. I feel my suspension might have been perfect for THILL or Infineon with his tuning, but not RFR.
Thoughts?
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Post by Redleader on Sept 10, 2010 16:44:34 GMT -8
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Post by Oneup on Sept 10, 2010 16:59:36 GMT -8
I spoke with Dave about RFR before the TTP race. I thought that I might be racing and my suspension definitely is not set up for RFR. His recomendation to me was to not mess with it at all. He told me that it would not be worth my time to set my suspension up for that track. It would be so far off from what I'd need at other tracks that it wasn't worth my time. Most of the time if I go to a different track the adjustments that need to be made are minimal. RFR definitely requires a lot to get the suspension working correctly for that track. Dave spends most of his time tuning bikes for tracks that are properly maintained and in at least ok condition. I'm not sure that he is aware of exactly how bad it is.
I'm not sure who you used before but if you had better luck with them then you might try going to them for RFR and getting written documentation of your set up. I know that softer settings are much better for RFR than stiffer setting. I rode Lukes bike and actually had a much easier time getting around the track because it was set up so much softer than mine but it was still balanced.
If you plan on just doing RFR then get your bike set up for that track. If you plan on riding other tracks get your bike set up for them and just deal with RFR. If I ran my bike that soft at Thunderhill or Infineon I'd burn through a set of tires in a day or less. Use what ever tuner works for you. Some people don't like working with certain tuners. I had a lot of issues with Phil from Aftershocks but I really like his "apprentice" Jason Hauns (he is no longer an apprentice and is actually very good tuner). Dave has always been my main guy to go to but it doesn't mean he works for everyone. Some people prefer Phil or even Lindeman.
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Post by Admin on Sept 10, 2010 17:03:49 GMT -8
I have my 'old' setting written down along with Dave's 'new' settings. I am going back to my softer settings next track day. When I go to THILL I will try Dave's out.
Thanks Greg
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Post by Justin(o) on Sept 10, 2010 17:05:02 GMT -8
I will only allow a professional to set mine up. I think Phil, Jason, and Dave are comparable. I don't know who is where, but i really would only let them do it. (exception being Zoran. . . I'd let him do whatever he wanted to my bike)
Because you are getting the bike from track guys, I'd imagine it's far better set up already then when the first owner rolled out of the dealership. New bikes are set up like garbage... it's a joke
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Post by Oneup on Sept 10, 2010 17:06:01 GMT -8
No problem. I have slightly different settings for Infineon, Buttonwillow, and Thunderhill. I'm not going to try to figure out RFR unless I plan on racing there.
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rgmrts
Committee Member
dan
Posts: 827
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Post by rgmrts on Sept 10, 2010 20:15:43 GMT -8
settings shmettings drain the oil and go cross country straight to the checkerd flag bouncing your way there lol just kidding guys
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Post by Gangplank on Sept 10, 2010 21:47:22 GMT -8
Great info & discussion. Trans might be on hold. Sleep, then info to follow.
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Post by Yard Sale on Sept 11, 2010 9:47:45 GMT -8
Your preload settings are going to change when you set the sag. You should set the sag after you install springs appropriate for your weight. You probably should start with sag on the soft side of the range for RFR.
Assuming there's a "perfect" geometry for your bike, shock ride height and forks above triples are going to change with different tires.
The manual should specify the stock settings for the hydraulics (compression and rebound) and you should use them as a starting point.
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dub
Committee Member
Wiles
Posts: 809
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Post by dub on Sept 12, 2010 19:47:25 GMT -8
Great info & discussion. Trans might be on hold. Sleep, then info to follow. Still standing by for details on new bike. |
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Post by Justin(o) on Sept 12, 2010 20:03:57 GMT -8
he's reconsidering all the options. . . I think
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Post by Gangplank on Sept 12, 2010 22:53:41 GMT -8
Sale was a no go on my end. Rethinking options. I have a bike to ride for next weekend so I'm still going. Scratch my suspension questions. Great info all. Thanks....
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