'06 spring rate ... worth changing?

3 replies to this topic
  • 3TV

Posted June 10, 2006 - 03:08 PM


I just bought an '06 YZ450F today. It is an impressive machine, but I have my first question re: set-up.

I race desert in the amature over 45 age class, so could be considered a slow amature, or faster novice class racer. I weigh 220 lbs., and Race Tech's web site says I should change to heavier spring rates, but only by half a step up from stock. For example, the rear spring is a 5.5 stock, and Race Tech recommends a 5.6; and the front springs are .47, and Race Tech recommends .48 springs. Is that small of a change going to be worth the effort, and the weight gain from changing from the stock titanium rear spring to (I believe) the steel Race Tech spring?

Thanks in advance.

  • NYMXer

Posted June 10, 2006 - 03:46 PM


That's not enough differance to justify the expense and work to make the change. Besides, at your age and skill level, I doubt you would even notice any differance. You can add a little oil to the forks and set the preload a little on the heavy side and that should work just fine. Doing nothing will most likely work just fine too. :applause:

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  • Ranger18

Posted June 10, 2006 - 03:51 PM


congrates on the bike, I also picked one up today. Like you I weigh in at 215. On my honda I changed the springs, and I liked it, but I don't think I am going to switch on this bike, I'm just going to lose 20lbs.

  • barch88

Posted June 10, 2006 - 07:37 PM


Don't waste the money, you will be happy with just some fine tuning of the stock suspension (Sag), and eating less pizza.

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