EVO All Evo Model Discussion

Just bought a "new to me" 98 Ultra Classic

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Old Jul 26, 2015 | 04:17 PM
  #11  
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Prot, thanks for the great reply. I did some research in the EV13 cam as suggested also by another post. I have about $1,000 I can spend on it this winter when I do a complete service. I think I will go with the cam you suggested. I'll replace the inner cam bearing, lifters, rollers, pushrods with adjustables, and some of the seals in the outer case. I may replace the front shock springs with progressive, and of course seals if I'm doing that anyway. That will probably burn up my budget. That was interesting about the six speed. Thanks.
 
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Old Jul 26, 2015 | 04:21 PM
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You already have progressive-rate springs in your forks, I recommend you replace them with single-rate, matched to your weight, they will give you a better ride. Race Tech sells them and they have a calculator on their website, so you can select the correct spring rate. You could also consider installing Intiminators, to improve damping.
 
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Old Jul 26, 2015 | 04:30 PM
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Originally Posted by grbrown
You already have progressive-rate springs in your forks, I recommend you replace them with single-rate, matched to your weight, they will give you a better ride. Race Tech sells them and they have a calculator on their website, so you can select the correct spring rate. You could also consider installing Intiminators, to improve damping.
Graham the down side I can see to those springs is what if you gain or loose weight?


What are your thoughts?
 
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Old Jul 26, 2015 | 04:53 PM
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Unless the change of weight is significant I doubt if it will have much affect. A single-rate spring works uniformly throughout it's compression, giving a smoother ride. A progressive-rate spring is initially soft, but once the 'soft' coils become coil-bound then gets much stiffer. That's not a characteristic which is going to suit everyone in the same way that a single-rate spring will. Yes, I have single rate fork springs, in two bikes!
 
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Old Jul 26, 2015 | 05:03 PM
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Originally Posted by grbrown
Unless the change of weight is significant I doubt if it will have much affect. A single-rate spring works uniformly throughout it's compression, giving a smoother ride. A progressive-rate spring is initially soft, but once the 'soft' coils become coil-bound then gets much stiffer. That's not a characteristic which is going to suit everyone in the same way that a single-rate spring will. Yes, I have single rate fork springs, in two bikes!
I wonder how much effect it would have even if the weight change is significant?
 
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Old Jul 27, 2015 | 01:16 AM
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Looks nice... congrats!
 
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Old Jul 28, 2015 | 04:00 AM
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Originally Posted by texashillcountry
I wonder how much effect it would have even if the weight change is significant?
Texas, the contrast is between a generic multi-rate spring which few of us will match and a single-rate spring which is custom-matched! Ain't no comparison. Using a multi-rate spring is guaranteed to give a compromised ride - unless you enter the lottery every week! Using a single-rate spring is not a compromise. If one of us loses a lot of weight, or puts on a lot of weight, the multi-rate springs will still be a bad choice. Either variety of spring can be changed later.
 
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Old Jul 28, 2015 | 06:31 AM
  #18  
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Originally Posted by grbrown
Texas, the contrast is between a generic multi-rate spring which few of us will match and a single-rate spring which is custom-matched! Ain't no comparison. Using a multi-rate spring is guaranteed to give a compromised ride - unless you enter the lottery every week! Using a single-rate spring is not a compromise. If one of us loses a lot of weight, or puts on a lot of weight, the multi-rate springs will still be a bad choice. Either variety of spring can be changed later.
Graham while I agree with you that custom single rate springs will give you a better ride I don't agree with you that multi-rate springs give you a compromised ride.
Mine (multi-rate) give me a much better ride than the stock ones and I am happy with what I have.
Could it be better sure but what the hell I like what I have.
 
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