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Fork oil SAE comparo


Auspanglish

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Hello fellow VFR geeks,

So I've heard Ohlins have their own SAE rating and that it differs from other more "accessible" or run of the mill brands.

Any proof that this is so and if so, is it "thicker" or "thinner"???

Thanks in advance

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IIRC, there's nothing particularly odd in the way Big Ö rate their oils on the SAE scale. 

 

Öhlins themselves don't use the SAE scale. They spec a reference number for their own products. 

 

I'm sure I Googled a pdf listing the actual viscosity (in cSt@40°C) of various Öhlins oils some time back but can't access it ATM.

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I'm surprised, given that "SAE" stands for Society of Automotive Engineers, which is a standards-setting body (like DIN for Germany, BS for the UK and JIS for Japan), so having a different "SAE" rating kinda makes a nonsense of the SAE standard!

 

Ciao,

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Ah! Found the file. See attached. 

 

Öhlins 01313 is labelled as 5W and rated at 23 cSt. 

 

NB: The SAE scale is an (old) engine oil specification that is only a (very) rough guide for suspension fluid. Go by cSt rating if you can. 

Ohlins oil.pdf

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The SAE scale describes viscosity grades. It was never meant to be a precise measure of actual viscosity.

 

Besides, viscosity is measured at typical engine operating temps, i.e. far above the operating temps of telescopic forks and even the very best oils in terms of temperature stability of their viscosity (described by the Viscosity Index or VI) still vary a lot between hot and cold. 

 

In short, the SAE scale borders on the useless to describe suspension fluid.

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  • 11 months later...
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   Brand                                                                                                         Designation                                             cST@40   cSt@100   Viscosity index                                                                 

          Type
HONDA Fork oil 5 17      
HONDA Forl oil 10 35.2      
           
YAMAHA KYB 01 15.6 3.45 150  
YAMAHA G5 17.7      
YAMAHA G10 33.2      
YAMAHA G15 47.3      
           
SUZUKI L01 15.5      
SUZUKI W-15 16.8      
SUZUKI G10 33.3      
SUZUKI G15 47.7 47.7      
           
KAWASAKI KHL-15-10 15.3      
KAWASAKI G5  17.9      
KAWASAKI G10 33.9      
KAWASAKI G15 49.5      
           
           
SHOWA SS-05 15.7      
SHOWA SS-7 16.6 3.77    
SHOWA SS-8 36.8      
SHOWA SS-15 20      
           
 KAYABA G10S 37.2      
 KAYABA G15S  55.2      
 KAYABA G30S  116.1      
           
WHITE POWER #5 22      
WHITE POWER #7.5 33.4      
WHITE POWER #10 48.1      
WHITE POWER #15 67.8      
           
           
           
Castrol Fork Oil 5 Fork & Shock Oil 15   150 Mineral
Castrol Fork Oil 10 Fork & Shock Oil 32   150 Mineral
Castrol Fork Oil 20 Fork & Shock Oil 68   150 Mineral
Castrol Fork Oil S 2.5 Fork & Shock Oil 6.8 2.25 150 Synthetic
Castrol Fork Oil S 5.0 Fork & Shock Oil 15 3.74 150 Synthetic
Castrol Hyspin Hydraulic fluid        
           
Ohlins 1302-01 Front Fork Fluid #2 Extra Light 7      
Ohlins 1311-02 Front Fork Fluid #5 Light 15      
Ohlins 1309 Made by Soki Front Fork Fluid - Road & Track 19      
Ohlins 1310 Front Fork Fluid #10 Medium 22      
Ohlins 1315 Front Fork Fluid #15 Medium/Heavy 35      
Ohlins 1320 Front Fork Fluid #20 Heavy 50      
Ohlins 1305 Front Fork Fluid #5 Synt 17     Synthetic
Ohlins 1310 Front Fork Fluid #10 Synt 22     Synthetic
Ohlins 1315 Front Fork Fluid #15 Synt 31     Synthetic
           
Ohlins 1302 Front Fork Fluid #2 7      
Ohlins 1311 25mm cart kit Front Fork Fluid #4 15      
Ohlins 1310 Front Fork Fluid #5 22      
Ohlins 1315 Front Fork Fluid #10 35      
Ohlins 1320 Front Fork Fluid #15 50      
Ohlins 1325 Front Fork Fluid #20 99      
Ohlins 1309-31 Front Fork Fluid - Road & Track 43 19      
Ohlins 00105 Shock Absorber Fluid 28      
Ohlins 01303-01 Off Road Racing Shock Fluid - syn 18     Synthetic
Ohlins 01306-01 race 07 Shock Absorber Fluid-race spec 07 14      
           
Bel-Ray HVI 3wt Shock Oil 11 3.85 296 Synthetic
Bel-Ray HVI 5wt Shock Oil 19.5 6.66 300 Synthetic
Bel-Ray HVI 10wt Shock Oil 33.5 10.00 306 Synthetic
Bel-Ray HVI 15wt Shock Oil 49 13.90 297 Synthetic
Bel-Ray High Performance Fork Oil 5 W Fork Oil 17.1 4.10 146 Mineral
Bel-Ray High Performance Fork Oil 7 W Fork Oil 29 5.20 110 Mineral
Bel-Ray High Performance Fork Oil 10 W Fork Oil 33 5.90 123 Mineral
Bel-Ray High Performance Fork Oil 15 W Fork Oil 53 7.50 103 Mineral
Bel-Ray High Performance Fork Oil 20 W Fork Oil 73.5 9.50 106 Mineral
Bel-Ray High Performance Fork Oil 30 W Fork Oil 105 12.00 104 Mineral
           
Silkolene Maintain Fork Oil light 5 w Fork Oil 22.3 4.40 106 Mineral
Silkolene Maintain Fork Oil Medium10 w Fork Oil 34.9 7.05 169 Mineral
Silkolene Maintain Fork Oil Intermediate 15 Fork Oil 48.45 8.50 153 Mineral
Silkolene Maintain Fork Oil Heavy 20 Fork Oil 67.7 8.75 101 Mineral
Silkolene Maintain Fork Oil Extra Heavy 30 Fork Oil 105 11.64 101 Mineral
Silkolene PRO RSF 2.5wt Fork & Shock Oil 13.6 5.80 464 Semi Synthetic
Silkolene PRO RSF 5wt Fork & Shock Oil 26.7 9.50 372 Semi Synthetic
Silkolene PRO RSF 7.5wt Fork & Shock Oil 37.19 11.50 322 Semi Synthetic
Silkolene PRO RSF 10wt Fork & Shock Oil 47.36 13.70 303 Semi Synthetic
Silkolene PRO RSF 15wt Fork & Shock Oil 92.95 19.50 235 Semi Synthetic
02 Silkolene Racing Fork Fluid Fork Oil 17.94 5.27 260 Synthetic
05 Silkolene Racing Fork Fluid Fork Oil 43.18 9.48 212 Synthetic
           
Motul Shock Oil Shock Oil 16.1 6.20 400 100% Synthetic
Motul Factory Line - very light Fork Oil 15 3.50 112 100% Synthetic
Motul Factory Line - light Fork Oil 18 4.00 121 100% Synthetic
Motul Factory Line - light/medium Fork Oil 24 4.90 131 100% Synthetic
Motul Factory Line - medium Fork Oil 36 6.40 130 100% Synthetic
Motul Fork Oil Expert - light Fork Oil 17.9 3.90 112 Semi/Synthetic
Motul Fork Oil Expert - medium Fork Oil 35.9 6.00 112 Semi/Synthetic
Motul Fork Oil Expert - medium/heavy Fork Oil 57.1 8.30 116 Semi/Synthetic
Motul Fork Oil Expert - heavy Fork Oil 77.9 10.10 111 Semi/Synthetic
           
Maxima Racing Shock Fluid - Light Shock Oil 13.9 5.20 378 Petroleum
Maxima Racing Shock Fluid - Medium Shock Oil 20.8 7.30 349 Petroleum
Maxima Racing Shock Fluid - Heavy Shock Oil 28.9 9.40 334 Petroleum
Maxima Racing Fork Fluid 85/150 5wt Fork Oil 15.9 3.50 150 Petroleum
Maxima Racing Fork Fluid 125/150 7wt Fork Oil 26.7 5.40 151 Petroleum
Maxima Racing Fork Fluid 165/150 10wt Fork Oil 32 6.30 151 Petroleum
Maxima Racing Fork Fluid 235/150 15wt Fork Oil 46 8.50 154 Petroleum
Maxima Fork Oil 5wt Fork Oil 15.9 3.50 150 Petroleum
Maxima Fork Oil 10wt Fork Oil 32 6.30 151 Petroleum
Maxima Fork Oil 15wt Fork Oil 46 8.50 154 Petroleum
Maxima Fork Oil 20wt Fork Oil 65.6 12.90 201 Petroleum
           
ELF Moto Fork Oil Syn 2.5 W Fork & Shock Oil 18 4.00 121 Synthetic
ELF Moto Fork Oil Syn 5 W Fork & Shock Oil 23.3 4.80 130 Synthetic
ELF Moto Fork Oil Syn 10 W Fork & Shock Oil 45.4 7.60 135 Synthetic
           
Rock Oil SVI 2.5 Fork & Shock Oil 10 4.00 250 Synthetic
Rock Oil SVI 5 (01) Fork & Shock Oil 22 5.30 200 Synthetic
Rock Oil SVI 7.5 Fork & Shock Oil 24 6.80 250 Synthetic
Rock Oil SVI 10 Fork & Shock Oil 32 6.50 170 Synthetic
Rock Oil SVI 15 Fork & Shock Oil 48 9.00 160 Synthetic
Rock Oil SVI 20 Fork & Shock Oil 68 10.70 140 Synthetic
           
Golden Spectro Cartridge Fork Fluid - Very Light  85/150 Fork Oil 14 3.40 150 Semi Synthetic
Golden Spectro Cartridge Fork Fluid - Light 125/150 Fork Oil 26 3.40 150 Semi Synthetic
Spectro SPL ultra light Shock Oil 10.4 4.40 385  
Spectro SPL very light Shock Oil 26.4 9.90 400  
Spectro SPL light Shock Oil 47.27 16.76 381  
Spectro SX 400 Shock & Fork Fork & Shock Oil 20.9 8.90 400  
Spectro Fork Oil 5w Fork Oil 21.7 4.40 119 Petroleum
Spectro Fork Oil 10w Fork Oil 32.8 5.60 111 Petroleum
Spectro Fork Oil 15w Fork Oil 45.6 7.20 119 Petroleum
Spectro Fork Oil 20w 20 Fork Oil 65 8.90 110 Petroleum
Spectro Heavy Duty Fork Oil - Type E Fork Oil 64.9 8.90 385 Petroleum
Spectro Heavy Duty Fork Oil - Heavy Fork Oil 141.2 14.10 400 Petroleum
           
Morris Lubricants Fork & Shock Oil 22.9 7.70 350  
Morris Lubricants Fork & Shock Oil 56.6 13.70 252  
           
Klotz KL-505 Fork & Shock Oil 23.8      
Klotz KL-510 Fork & Shock Oil 32      
Klotz KL-515 Fork & Shock Oil 42      
           
Putoline HPX 2.5 Fork & Shock Oil 6.74 3.01 458 Semi Synthetic
Putoline HPX 5.0 Fork & Shock Oil 22.5 5.07 162 Semi Synthetic
Putoline HPX 7.5 Fork & Shock Oil 33.7 6.77 164 Semi Synthetic
Putoline HPX 1.0 Fork & Shock Oil 50.1 8.64 151 Semi Synthetic
Putoline HPX 15 Fork & Shock Oil 67.5 11.20 159  
Putoline HPX 20 Fork & Shock Oil 99.4 14.60 155  
Putoline HPX 30 Fork & Shock Oil 150 14.60 95  
           
Motorex Racing Racing SD-1 Shock Oil 14.8 3.50    
Motorex Racing Fork Oil 2.5 Fork Oil 15.2 4.40 222 Mineral
Motorex Racing Fork Oil 5.0 Fork Oil 21.8 5.50 209 Mineral
Motorex Racing Fork Oil 7.5 Fork Oil 29 6.80 206 Mineral
Motorex Racing Fork Oil 10 Fork Oil 32 7.20 200 Mineral
Motorex Racing Fork Oil 15 Fork Oil 46 8.50 180 Mineral
Motorex Racing Fork Oil 20 Fork Oil 68 9.10 110 Mineral
           
Torco Racing Shock Fluid - Light Shock Oil 14.5 4.70   100% Synthetic
Torco Racing Shock Fluid - Medium Shock Oil 31.82 9.57   100% Synthetic
Torco Racing Fork Fluid - 5 Fork Oil 10.75 4.00   Semi Synthetic
Torco Racing Fork Fluid - 7 Fork Oil 16.1 5.05   Semi Synthetic
Torco Racing Fork Fluid - 10 Fork Oil 19.9 5.70   Semi Synthetic
Torco Racing Fork Fluid - 15 Fork Oil 33 8.40   Semi Synthetic
Torco Racing Fork Fluid - 20 Fork Oil 43.9 10.40   Semi Synthetic
           
Shell Advance Ultra 2.5 Shock Oil 8.6 3.60   100% Synthetic
Shell Advance Ultra 5 Shock Oil 23.5 5.90   100% Synthetic
Shell Advance Fork 5 Fork Oil 21 5.00 153 Semi Synthetic
Shell Advance Fork 7.5 Fork Oil 22 2.90 153 Semi Synthetic
Shell Advance Fork 10 Fork Oil 32 6.40 153 Semi Synthetic
Shell Advance Fork 15 Fork Oil 46 8.20 154 Semi Synthetic
Aero shell 31 Military aero 14.5 3.62    
Aero shell 41 Military aero 14.1 5.30    
Shell Tellus T15 hydraulic oil 15 5.30    
Shell Tellus 22 hydraulic oil 22      

  

 

may that´s interesting for someone ;)

 

ForkOilCap1.jpg

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