YZ450F Suspension Fluid

What kind of suspension oil do you recommend for an 06' YZ450FSPV? I'm needing some to rebuild my forks for a race and Yamaha's 0 weight oil is backordered til after the race. So What's a good Replacement?

I'm interested to know how you determined that the Yamaha S1 fluid was O wt. None of the suspension guys I asked last month seemed to have any idea.

I have used Maxima Light Shock Fluid (3wt) and it's worked well. John Curea at MX-Tech uses Motorex 2.5 wt. Most SG's say that any good 2.5-5wt should work, and most don't really like the Yamaha fluid much for reasons other than its ridiculous price.

I threw some FOX 5wt into the forks and rear shock of my yz400F. I've got quite a bit of experience with racing shocks, but nothing with Motorcycles, but it looks to me that they work pretty much the same way. I haven't finished putting the bike together yet, so we'll see how well it works.

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