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Old February 23rd, 2013, 09:50 AM   #91
choneofakind
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MOTM - Feb '13, Feb '14
Quote:
Originally Posted by melfice View Post
Sweetness. Modding on a budget. Thanks
Yepp. That's my motto with suspension for a street bike.

What's your weight? Use the spring rate calculator here to calculate your ideal spring rate:http://racetech.com/ProductSearch/2/...250R/1986-2007

If you're a lightweight, ex500 springs are 0.585 kg/mm and are pretty close to the suggested spring rate for someone who's 135 lbs. Suggested for me is 0.626 kg/mm, but 0.585 feels darn good.

If you're not a featherweight like me , your options are either find springs from racetech that match the spring rate they suggest, or you can hunt around and research spring rates from other bikes and use those OEM parts instead. Using springs from other bikes will likely be cheaper (think Ebay) but I'm not sure.

If you up the spring rate a lot, consider changing to slightly thicker fluid as well to control the rebound damping a bit. That's also really easy. Measure oil level, drain oil, replace with same amount of new oil.
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