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Hi,

Just purchased a new R3, and need to change out front springs and rear shock. Does anyone know where to find the spring rates for these bikes in KG/MM????

It feels like the rear is dialed in for a rider of about 180lbs. and the front feels a bit stiff...possibly for a 250lbs. rider.

Would like the actuall tech specks for calculating new weight and aggressive street riding.

Thanks All!!

Bradmeister!
 

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Ask Jesse at YamahaR3Racing.com. He would know. But from what I've heard the stock fork springs are 0.65 kg/mm or so. Can't remember the shock rate, but Jesse had a long write-up about that somewhere on here. I know both are soft. Pretty much good for people up to about 140-150 lbs. Anything more than that you should get different springs. Ideally get different suspension altogether.
 
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