Hello,
I am trying to identify what ohlins spring I have fitted on a Fox rear shock.
My thinking is that it could be the spring from a later RSVR and that the linkage maybe incorrect, the part number has also worn off mine. but may be able to make a bit out if I knew the number I was looking for.
I think the part number for after 01 RSVR is 1091-31/95
But I require the part number for the pre 01 model which uses the different linkage.
Would it be possible for someone to measure the dia of the material (not overall diameter the actually dia of the coiled metal itself) so I can compare with what I have got.
Thanks
Gavin
https://coolkup655.weebly.com/setting-up-your-epson-tmt82ii-for-mac.html. Dec 07, 2018 The Ohlins standard front spring for the R1200GS is 01096-10 / 52 L404 which is a 5.3 KG spring rate. The Ohlins standard rear spring for the R1200GS is 00698-54 / 140 L065 which is 14.27KG The number you mention (00698-64/160 L476) is a 16KG rear spring which is one spring rate up from standard for the R1200GS. 2020 Ohlins MX RXF48S Series Forks New Ohlins for 2020 FGKT2096, FGHO2096, FGYA2096, FGSU2096 KT2094, KA2094, SU2094 YA2094, HO2094 BAM!- a Spring in EACH Fork makes. Civcity rome patch 1.2. Xtreme dance pad platinum software. Microsoft explorer trackball driver for mac. 3) Ohlins 2020 48RXFs FORKS For your Weight and Conditions there are many Springs for many things, Most brand new shocks we sell will have the best spring choice determined.
The 1098 S uses Ohlins rear shock DU511.This is a 2 way adjustable shock with a street valving spec. It uses an 80.0 Nmm spring (1091-24-80) 160MM free length.
With 23 MM of preload on the spring. Way too much
The Aftermarket DU515 shock is similar to the stock 1098S rear shock the DU511. It is different in that is is three way adjustable and already has Ohlins recommended Track valving inside.
The problem with both is when you are trying to reduce the amount of spring preload with the stock 160 MM long spring, the double nuts that control spring preload hit the side of the shock before they get to the bottom of the threads. Before we sell a DU515 shock, we take off the nuts and machine the top one to a smaller diameter and machine a bevel on to the top edge, this allows it to go to the bottom of the threads. The other nut we machine thinner, this again reduces the amount of preload on the spring allowing us to reduce the stock preload of 24MM to what we think is a more usable 12 to 16 MM.
Now we get to the top of the line Ohlins The DU788 TTX36 rear shock. This is Ohlins newest design shock. It is 2 way adjustable and has a Hydraulic Spring preload adjuster.
The 1098 Base uses a Showa rear shock, the spring has a free length of 168MM, the one I checked had a preloaded length of 142MM, and this is 26MM of preload. Way too much preload.
The Showa spring is a very progressive spring starting at 77 Nmm @10MM and rising to 89 Nmm @ 55MM. That is Bad. See graphs below.
I believe this is too much preload it should be more like 10 to 15 MM of preload.
I believe most people over 180 lbs will benefit from a stiffer spring with less preload, lighter people can simply remove some of the pre-existing preload.
I like to use 30MM of sag as a starting point for the rear. This is for the street and for the track we are now using 20 to 25MM With the stock link.
We now have a track link that allows us to go back to 309 MM of rider sag. This link adds grip and provides a better ride and controls wheeling better.
The sag is measured from the bikes wheel up in the air or with NO weight on it, this means fully extended. They the rider sits on it and a second measurement is made.
So this 30MM is the different between fully extended to with the rider on it.
Front fork springs, the 1098S uses standard Ohlins R and T fork springs. The stock spring is a 10.0 Nmm spring (4744-10).
The 1098 standard showa fork spring is exactly the same rating 10.0 Nmm.
Both are linear springs.
The 848 uses a 9.5 Nmm front spring.
I like to start with a sag setting of 40MM on the front, again measured the same way as the shock, see above.
According to the Ducati owners handbook the 1098S fork has 8MM of spring preload and the 1098 18MM. I have no idea why this would be different from bike to bike since the spring rates are the same.
The Stock Ohlins R and T forks are FG511 forks. They use a 25MM cartridge and the Showa a 20MM cartridge. Both of these are set up for street riding. For track use we recommend either a upgraded 25 MM Superbike valve and shim stack or a newer Ohlins fork that already has this same SuperBike valve kit in them. The FGRT803 forks.
For the Showa forks they can be replaced with this FGRT803 fork. This includes the 1098 Base, 848, and 1198 Base.
The Showa forks can also have the Ohlins 25 MM Cartridge kit installed. This kit also uses the SuperBike valves.
Below are PDF files on Ohlins products, they include base line Compression and Rebound settings.
I have enclosed Ohlins PDF files for:
DU511 OEM 1098S Rear shock
DU515 Track 3 way Rear shock
DU788 TTX36 Rear shock
FG511 OEM forks Ohlins 1098S/1198S
FGRT803 Forks
FGK138 25 MM cart kit Spec chart 848/1098 Base/1198 Base
FGK138 Installation manual
Ohlins spring chart Below.
With 23 MM of preload on the spring. Way too much
The Aftermarket DU515 shock is similar to the stock 1098S rear shock the DU511. It is different in that is is three way adjustable and already has Ohlins recommended Track valving inside.
The problem with both is when you are trying to reduce the amount of spring preload with the stock 160 MM long spring, the double nuts that control spring preload hit the side of the shock before they get to the bottom of the threads. Before we sell a DU515 shock, we take off the nuts and machine the top one to a smaller diameter and machine a bevel on to the top edge, this allows it to go to the bottom of the threads. The other nut we machine thinner, this again reduces the amount of preload on the spring allowing us to reduce the stock preload of 24MM to what we think is a more usable 12 to 16 MM.
Now we get to the top of the line Ohlins The DU788 TTX36 rear shock. This is Ohlins newest design shock. It is 2 way adjustable and has a Hydraulic Spring preload adjuster.
The 1098 Base uses a Showa rear shock, the spring has a free length of 168MM, the one I checked had a preloaded length of 142MM, and this is 26MM of preload. Way too much preload.
The Showa spring is a very progressive spring starting at 77 Nmm @10MM and rising to 89 Nmm @ 55MM. That is Bad. See graphs below.
I believe this is too much preload it should be more like 10 to 15 MM of preload.
I believe most people over 180 lbs will benefit from a stiffer spring with less preload, lighter people can simply remove some of the pre-existing preload.
I like to use 30MM of sag as a starting point for the rear. This is for the street and for the track we are now using 20 to 25MM With the stock link.
We now have a track link that allows us to go back to 309 MM of rider sag. This link adds grip and provides a better ride and controls wheeling better.
The sag is measured from the bikes wheel up in the air or with NO weight on it, this means fully extended. They the rider sits on it and a second measurement is made.
So this 30MM is the different between fully extended to with the rider on it.
Front fork springs, the 1098S uses standard Ohlins R and T fork springs. The stock spring is a 10.0 Nmm spring (4744-10).
The 1098 standard showa fork spring is exactly the same rating 10.0 Nmm.
Both are linear springs.
The 848 uses a 9.5 Nmm front spring.
I like to start with a sag setting of 40MM on the front, again measured the same way as the shock, see above.
According to the Ducati owners handbook the 1098S fork has 8MM of spring preload and the 1098 18MM. I have no idea why this would be different from bike to bike since the spring rates are the same.
The Stock Ohlins R and T forks are FG511 forks. They use a 25MM cartridge and the Showa a 20MM cartridge. Both of these are set up for street riding. For track use we recommend either a upgraded 25 MM Superbike valve and shim stack or a newer Ohlins fork that already has this same SuperBike valve kit in them. The FGRT803 forks.
For the Showa forks they can be replaced with this FGRT803 fork. This includes the 1098 Base, 848, and 1198 Base.
The Showa forks can also have the Ohlins 25 MM Cartridge kit installed. This kit also uses the SuperBike valves.
Below are PDF files on Ohlins products, they include base line Compression and Rebound settings.
I have enclosed Ohlins PDF files for:
DU511 OEM 1098S Rear shock
DU515 Track 3 way Rear shock
DU788 TTX36 Rear shock
FG511 OEM forks Ohlins 1098S/1198S
FGRT803 Forks
FGK138 25 MM cart kit Spec chart 848/1098 Base/1198 Base
FGK138 Installation manual
Ohlins spring chart Below.
Ohlins Shock Spring Chart
- Dec 27, 2012 At least for models YA638/788 according to the Ohlins spring rate chart. There is a margin of 25 pounds between each spring for each weight given. Follow the mini charts below and you'll be able to use the larger chart to determine what spring rate is recommended for your weight. Determining what these numbers mean on ohlins shock (21040-31/95.
- Get your Ohlins Spring Chart & Force Conversion here: Know what those Little pesky spring numbers mean. Springs By Length. Springs By Length Microsoft Excel 97-2003 Work Sheet Application.xls Click on the Printer Icon with a Red Arrow to Download or Read your own 'Take It Home' P.D.F.