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Suspension oil weight chart

Suspension oil weight chart

There is a lot of confusion about the suspension oil to use in our front forks or shock absorbers. So, to facilitate the searching, we have made a Suspension oil equivalence chart for you.

Now you can compare quickly suspension oils by brand.

SAE range

Despite what many believe, the SAE range does not define the exact viscosity of an oil. It is a reference to a range of viscosities in which it can be contained.

Therefore, the SAE range is more appropriate for use in motor oils rather than for suspensions. Keep in mind that each manufacturer places its oils where they think it should be (it’s not a standard).

In addition, what can cause when changing the oil brand while maintaining the SAE, is that your suspension (being a front fork or shock absorber) behaves in a different way (because the kinematic viscosity is different).

And in a 99% of cases, doesn’t perform better than before.

Want to learn more? Get our Motorcycle Geometry and Suspension Adjustment book! Now available at Amazon.com

General recommendations

We recommend using the original oil on your suspensions so that the damping behavior is not changed.

In case you can’t find the original oil, use the one with the closest kinematic viscosity.

You can look up for the original oil specs in the workshop manual or by asking to an official dealer.

You can also look up for it on internet forums, although it may take longer.

Viscosity or density?

The viscosity is measured in centistokes (cSt) or mm2/s at 40ºC as a reference temperature and is a technical characteristic of each oil.

Viscosity index indicates the “quality” of the oil. The greater the number, the more stable the viscosity is against temperature changes.

Therefore, it is important to remember that the viscosity of a fluid (resistance offered by a liquid to flow) has nothing to do with its density (mass per unit volume).

Check the next video to learn more about the importance of viscosity (and suscribe to our channel!)

Suspension oil equivalence chart

Below you can find a equivalence suspension oil chart (both for motorcycle and bicycle) where you can easily choose the closest oil to the original one.

Oils are sorted by Viscosity. SAE range is only shown for your reference.

If you can’t find the same viscosity as your original oil has, choose one with a difference of +/- 5cst. Beyond that, the damping behaviour is quite different.

A change on oil’s viscosity could need a new damping adjuster (low speed adjusters COMP/TEN) set-up.

Example

Original oil was a 14,14cst. Couldn’t find nothing else than a 15.3cst oil. This means that all damping (compression and rebound) will be slower, in general.

Turn the external adjusters 1 click/1/8turn anti-clockwise.

This doesn’t means that suspension behaves exactly the same as with 14,14cst oil, but slow speed behaviour is similar.

The bigger the difference in viscosity from the original oil, the more turns/clicks would need the adjuster.

SAE rangeBrand/productKinematic Viscosity @ 40ºC (cSt)Viscosity index
2,5WPutoline GPR66,66438
2,5WWilbers TF Fork Oil6,74
2,5WPutoline HPX R6,74458
Öhlins 13027,00
2,5WRockShox10,75325
2,5WShowa SS2511,27
KYB K2C11,30
Öhlins 130412,00
3,5WPutoline GPR612,80378
3WMaxima Plush Damping Fluid14,00228
2,5WSilkolene RSF 2.514,00
Öhlins 130614,00
5WShowa SS1914,14
Öhlins 131214,26
2,5WMotorex Racing Fork Oil14,50250
Motorex Racing Shock Oil14,80272
5WShell Advance Fork Oil15.00153
Öhlins 131115,00
5WPutoline Light Fork15,00
Motorex Racing SD-115,00110
2,5WMotul Fork Oil Factory Line15,00112
5WShowa SS-0515,10
5WShowa A1515,30
Liqui Moly Shock Oil15,30106
3WIPONE Fork Fluid 3 Racing15,50115
5WFox Racing Oil15,80168,2
5WKYB 01 (old)15.60
5WKYB 01M15,85
5WKYB KHL15-1115,90
5WValvoline SynFork16,00339
4WMotorex Racing Fork Oil16,00250
5WKYB KHL15-1016,05
5WRockShox16,10285
5WMaxima Racing Fork Fluid16,20201
Motul Shock Oil16,3400
5WShowa SS7 (Honda Pro SS07)16,6
4WPutoline HPX R16,90138
Liqui Moly Shock Oil RACE17,4124
Silkolene 02 SYNTH Fork Oil18,00
Öhlins 130318,00
2,5WELF Fork Oil Syn18,00155
5WMotul Fork Oil Factory Line18,00121
5WKYB G518,10
5WIPONE Oil Fork 518,40115
5WLiqui Moly Fork Oil Light18,40
5WMaxima Plush Damping Fluid18,60223
5WMotul Fork Oil Expert18,9108
Öhlins 130919,00
7,5WÖhlins 133020,00
Nitron TVT 0222,00
Öhlins 131022,00
7WIPONE Fork Fluid 7 Racing22,00126
7,5WShell Advance Fork Oil22,00
5WWP #522,00
7,5WLiqui Moly Fork Oil Light/Med22,1139
5WWilbers TF Fork Oil22,50
5WPutoline HPX R22,50162
5WMotorex Racing Fork Oil22,90250
5WSilkolene RSF 523,00
Öhlins 131323,05
5WELF Fork Oil Syn23,30130
7,5WMotul Fork Oil Factory Line24,6131
5WPutoline Formula GP25,10147
5WLucas Oil25,34
7WMaxima Plush Damping Fluid26,70139
5WCastrol Synthetic Fork Oil28,00151
10WLiqui Moly Fork Oil Medium28,5146
7WMaxima Plush Damping Fluid30,40218
7WFox Racing Shox31,82
10WCastrol Fork Oil32,00150
11,5WBMW Motorrad Fork Oil Type 232,00
10WPutoline Medium Fork32,00
10WShell Advance Fork Oil 32.00153
10WValvoline SynFork32,00204
7,5WWilbers TF Fork Oil32,10
7,5WPutoline HPX R32,10151
10WKYB G1032,20
10WRockShox33,00240
7,5WWP #7.533,40
7,5WMotorex Racing Fork Oil34,70250
10WShowa SS4734,88
7,5WSilkolene RSF 7,535,00
Öhlins 131535,00
10WHonda Fork Fluid SS-5535,00
10WHonda Pro HP fork35,20
10WMotul Fork Oil Expert35,90116
10WMotul Fork Oil Factory Line36,30134
10WShowa SS0836,51
10WMaxima Plush Damping Fluid37,40182
10WIPONE Fork 1037,70110
Fox Float Fluid40,00
20WÖhlins 131440,00
15WH-D Fork Oil tipo “E”41,00
10WLucas Oil42,00
15WRockShox42,80250
Silkolene 05 SYNTH Fork Oil43,00
10WELF Fork Oil Syn45,40135
10WMaxima Plush Damping Fluid46,00219
15WCastrol Fork Oil46
15WShell Advance Fork Oil46,00154
10WSilkolene RSF 1047,00
10WELF Fork Oil47,00153
15WMaxima Plush Damping Fluid47,10159
10WFox Racing Oil47,36302,7
15WKYB G1547,40
10WWP #1048,10
15WLucas Oil49,2
10WMotorex Racing Fork Oil49,50250
Öhlins 132050,00
10WWilbers TF Fork Oil50,10
10WPutoline HPX R50,10151
15WLiqui Moly Fork Oil Heavy50,4
10WPutoline Formula GP52,40152
15WMotul Fork Oil Expert58,1116
15WIPONE Fork Oil 1560,20115
10W30Motorex Racing Fork Oil63,60180
15WWilbers TF Fork Oil66,80
15WPutoline HPX R66,80165
15WWP #1567,80
20WCastrol Fork Oil68143
20WSilkolene SF 2068,00
20WPutoline Heavy Fork68,00
15WMotorex Racing Fork Oil71,90250
15WELF Fork Oil72,60155
20WLucas Oil77,5
20WMotul Fork Oil Expert81,1103
20WIPONE Fork Oil 2083,10110
40WÖhlins 131698,00
20WFox Racing Oil98,90137,9
15WSilkolene RSF 1599,00
20WELF Fork Oil99,00150
20WWilbers TF Fork Oil99,40
20WPutoline HPX R99,40155
20WFox 20WT Gold100,00
Öhlins 1325100,00
30WSilkolene SF 30100,00
30WIPONE Fork Oil 30102,90106

Your favourite oil is missing?

Can’t find your favourite oil? Send us an e-mail and we will add it to the list!

 

16 Responses

  1. Fernando says:

    Hello, could it be possible to add the Liqui Moly fork oil range? Regards

  2. Ed Crowell says:

    Could you add the Nitron 02 fork oil?

  3. Michael M says:

    Can you add the YSS 10w to the list? Thanks!

  4. Calvin says:

    Hello, can you add KYB K2C and if possible old KYB 01?

  5. raise0 says:

    Just verified that Putoline HPX R 15W is not 66,80 but 62,70 and Putoline HPX R 20W is not 99,40 but 94,50! Did they changed that over time, or this is a mistake? https://www.putoline.com/en/catalogue/maintenance/

    • Hi!
      We always take the viscosity from manufacturer website or Material Safety Data Sheet, what’s available. We have found on several manufacturers that they slightly change the kinematic viscosity of their products, as in the example of Putoline. This can be by an oil supplier change or additive packages change (by any possible reason). We will check the Putoline range as 4cst is a big difference in viscosity for a product labeled with the same name. Thanks mate!

  6. kristbjorn þór Bjarnason says:

    Hi
    I am in Iceland and the average temperature is around 10C° in the summer and 3,75C° for the hole year. my bike should use 4W now I am using Motul 5W (4W is not available in Iceland) and I think it is to firm.
    If I go down to Motul 2,5W will that compensate for this low temperature here in Iceland.
    Temperature effect on oil.

    • Hi Kristbjorn!

      True, oil viscosity varies according to temperature. Frankly speaking, I have never thought on changing the oil spec for extreme conditions, thanks for pointing that out.

      In your case, check the original oil viscosity in cst’s and lower it 5 to 8 cst’s.

      For example, if the suggested oil by the manufacturer is 19cst@20°C, go to 14cst as a starting point.

      Don’t rely on the weight shown in the oil’s bottle because as you can see in the chart, it has no relation between brands.

      Hope this helps!

  7. Michal says:

    Hello, can You add Honda/Showa SS-55 oil? Honda CBR 600RR 2005 front fork.

    • Hi Michal!

      I have never seen the SS-55 oil and neither can find any reference to it. I looked on Showa’s Safety Data Sheets and this oil doesn’t appear (or I was unable to find it).

      This Showa fork was used by other manufacturers, and although they were using different shim stacks, they were not using SS-55.

      Do you have the service manual to check the exact oil it is using?

    • Hi again Michal,

      I could find it, but it’s branded by Honda (not Showa), that’s why I was lost.

      It is somewhere between 30 and 35cst @40 Celsius.

      Look in the chart for something in between those numbers.

      Will add it to the chart when I find the exact cst’s.

      Regards!

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