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Discussion Starter · #1 ·
I’m looking to trade a Speedstar cam set for a set of high lift valve springs. Maybe a cash differential, depending. Either Speedstar or Patrick racing, preferably. Do you, by chance, have a spare set?

Bob
 

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158 Posts
Discussion Starter · #4 ·
OK, let me get my brain wrapped around that. They are a used set, but in excellent condition. I guess I’d have to figure out someway to put a price on it. Space, I will take pictures tonight or tomorrow and send them to you.

Bob.
 

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Discussion Starter · #6 ·
Bob did you ever get a hold of Nigel?
I haven’t pushed to insist that I speak only with Nigel I’ve spoken with Jami Patrick probably half dozen times over the last 4 months about ordering them, (explained my predicament.) so I was just a little reluctant to try and push past her. Her last estimate is that they might be able to get them late Dec, or next year.

I have tried to appeal to the owner at Orient Express. No luck there.

Although my 110 kit came from Patrick almost 10 years ago, I haven’t had personal contact with Nigel. Suggestions?
Bob
 

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I would explain my case and ask to speak with Nigel. I would say my bike is in pieces and has been down for a bit and I need the specs to the valve springs to see if I can source them from another manufacturer plain and simple. He will have those specs which are just a few number like physical size of the spring ID/OD, wire diameter, how many coils, bind height etc.
 

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[Retired Admin-SuperMod]
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You would want to individually test tension on all the used springs and compare height and tension at their (a) valve-closed height spec, and at their (b) valve-open (compressed) height spec (see manual) to be sure all are within allowed tolerance for spring pressure when at open and closed valve heights.
 

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Discussion Starter · #9 ·
Thank you guys, for the suggestions. I’ll call Nigel Tuesday. In the meanwhile, pull and measure the orient express springs. I have some suspicions about those. I remember that the diameter was slightly different than the OEM Yamaha springs, yet used the Yamaha retainers, and the inner springs seemed to fit a bit curvy. That might explain why those springs were so cheap. Maybe they were an off the shelf spring set for a different application, that orient express “thought” would work, but in reality don’t. I hate that sounds accusatory. But, darn, they won’t talk with me about it, or a solution (not asking for free) at all!

Bob
 

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Discussion Starter · #10 ·
So,,,,, a member came through with a new set of Speedstar springs! That cam set went to him. But, stay tuned, I might have a line on another. In the meanwhile, I’m going to measure all the specs I can on the new Speedstar set, my old Orient Express set, and my original nearly new OEM set. Ordered a spring pressure gauge

Bob
 
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