Fork Oil Grade

I thought I would post the xls I made a few years ago to the resources folder. Once Jerry approves you can get it at

To understand truly how thick oils perform over a usage period and then how the more stable oils viscosities compare, the Oils tab is sorted by Recalculated Viscosity Index (VI) [largest to smallest] and then VT (cSt@40/cSt@100) [largest to smallest].

This gives you more temperature stability higher in the list, and then you can scroll down the list by weight. My thought here is a thick or thin weight oil decision is useless, if at the start of a ride it performs one way vs. the end of a ride.

Using this method, I went from an oil that didnt work well to one that was 95% spot on in one go.

You can re-sort as you see fit.

from info at http://mahonkin.com/~milktree/motorcycles/fork-oil.html
 
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