1 reply to this topic
  • JamesNad

Posted March 17, 2010 - 05:14 PM


i got a 04 yzf450 that i need fork springs for sense i cut the ones in it for ice riding.

im 140 pounds and am going to be riding mostly trails and some tracks and i would say im a top c class rider when i tracks.

so what fork springs should i get and where should i get them from?

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • DPW

Posted March 18, 2010 - 05:19 AM


Race Tech

Type of Riding: Motocross
Rider Weight: 140 lbs

Recommended Fork Spring Rate: 0.434 kg/mm (use closest available)
Stock Fork Spring Rate: .460 kg/mm (stock)

Recommended Rear Shock Spring Rate: 5.14 kg/mm (use closest available)
Stock Shock Spring Rate: 5.3 kg/mm (stock)


Stock Spring Rates:
Fork: 0.45 kgmm
Shock: 5.3 kgmm
Recommended Spring Rates:
Fork: 0.41 kg/mm
Shock: 5.0 kg/mm


both sites have spring rate calculators that give you an idea of what you need..

Related Content


Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.