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Jan 20th 2016, 03:37 PM   #1
 NorWest's Avatar
 
  Jan 2016
  North Idaho

Suspension Fluid Viscosity Chart

Some of you have changed out your suspension fluid to a heavier or lighter weight fluid or so you thought to change the damping of your suspension.

The problem that comes into play here is manufacturers are not playing by any set of rules so it seems, Ones 5wt will be some others 15wt. So when shopping for suspension fluid to either refresh or change the damping characteristics you need to find the viscosity that will fall inline with what you want out of your suspension.

Here is a image that shows a good size list of fluids that are on the market and what the true viscosity's are. I did not compile this information and all the credit goes to Peter Verdone for testing the fluids that are on this list.

I want to mention that Racetech fluids are no longer made by Motorex but rather Spectro so you can use a Spectro fluid spec for the Race Tech fluids.



Terry
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Edited by NorWest on Jan 20th 2016 at 07:59 PM
Jan 20th 2016, 03:43 PM   #2
 
  Jan 2016
  Washington

Interesting. The Torco RFF 20 I run in the old machine is pretty much a 15 wt then. Might be time to switch to Spectro 20 wt.
Jan 20th 2016, 03:46 PM   #3
 NorWest's Avatar
 
  Jan 2016
  North Idaho

Yes the Torco fluids do tend to run light compared to most others out there. I used Torco for quite some years before making the move up north here and never had any issues with the fluid. The change in brand was a result of availability and pricing. Using the Spectro line now.

Terry
Jan 20th 2016, 07:46 PM   #4
 
  Jan 2016
  Spokane

No Ohlins benchmarks? I put Belray 7wt in the R6 forks instead of the Ohlins 5wt.
Jan 20th 2016, 07:47 PM   #5
 
  Jan 2016
  Washington

Quote:
Originally Posted by NorWest
Yes the Torco fluids do tend to run light compared to most others out there. I used Torco for quite some years before making the move up north here and never had any issues with the fluid. The change in brand was a result of availability and pricing. Using the Spectro line now.

Terry
It does seem to work fine. However, since my Dad is a bit....heavier...than I am, I'll probably go with the Spectro in the forks and just not say anything.

Yep, it's 20wt, just like you asked for!!
Jan 20th 2016, 08:00 PM   #6
 NorWest's Avatar
 
  Jan 2016
  North Idaho

Quote:
Originally Posted by Jonas
No Ohlins benchmarks? I put Belray 7wt in the R6 forks instead of the Ohlins 5wt.
Ooops new chart uploaded and it shows Ohlins fluids as well.

Terry
Jan 20th 2016, 08:40 PM   #7
 Flyboymedic's Avatar
 
  Jan 2016
  Hazel Dell, Wa

  Honda VFR800, Husqvarna TE 610, Ducati Hypermotard 1100S, Suzuki VStrom 650, Yamaha Radian, MZ 125SM
I've seen this chart elsewhere and it's a good one!
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