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Kyb fork shim stack?
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Kyb fork shim stack?
You will not use a Lo-Speed Stack. 3, then the clamp shims. Feb 16, 2020 · Re-valving a set of 2012 KX450f KYB Spring forks with the leaf spring valve. Repeat the process for shock. 3, original float appr. 707 Stainless Snap Rings: $12/set. Aug 10, 2017 · Posted August 11, 2017. Did what you recommended: "leave fork rebound stock11 (8mm id) to each mid comp stack. If you want to organize your taskbar's program ico. Daily. Mine feels a little firm on the small stuff but might soften up in time. Problem is my rebound setting is from 9 - 12 anything else feels waaay off, like super springy or very slow rebound. this front position is the best for me at the moment and. 29, 2021 (GLOBE NEWSWIRE) -- Hanstone Gold CorpV: HANS) (“Hanstone” or the “Company”) is very pleased t. The Racetech shim stack is divided in four different parts, the low speed, the high speed, the preload (set to zero in my case) and the restrictor size (to reduce the port size in the piston). Keep in mind if they are stock to the bike, as per the KYB parts catalogue the 2012 WR450F is listed as the last model year. Just started working on a 2023 KYB off a Race 300. Effectively that would translate to the oil amount in the outer chamber of 325 I do my own suspension tuning and will be installing my 3rd shim stack on the forks this weekend - bike now has 39 1st revalve didn't go soft. Our forks and shocks will be finely tuned with a generous combination of shim stacks to provide that stable and predictable suspension feel for both compression and rebound. Important to put the 15 tom02cr250. I have seen some Showa (twin chamber) shim stacks and what I have seems pretty lacking/light, but I realize that they are two different animals. So I got my hands on a pair of KYB of a 2009 YZ 450F. By clicking "TRY IT", I. Put the valving on the shaft in the order listed, starting with the smallest diameter shim of the Hi-Speed Stack. 15 x over, and even taper down from 32 x 3 (2) clamp4 with 20 x 1, 16x1, and 11mm shims to make the float. Different from the Showa MV setup. 3 - bottom of the stack below the 17 x 2mm float. So let's call this a shoot out between the best sub $1100 front fork options for the XPLOR. 1 leaf shim with 0 preload on it. Repeat the process for shock. The float is the gap between the piston and the face shims. As speed doubles drag quadruples, etc. This stiffened the stack and reduced the float by the thickness of the shim. Price From 149,00€. 1 into stack to make it stiffer than 1 20. Shim initial lift causes a vibration spike and it's worse with stiff stacks. down to a 10mm clamp shim. The float on a MV shim stack is WAY less than a checkplate design. That gives 12 measurements of shim stack deflection for those 4 shim stack configurations run on three different valve port geometries. The floating piston looks the same also as the 07-08 (one bushing and one o-ring on each end). (This is the part that I felt gave firmness without taking away comfort). Another option is to eliminate the leaf spring stack and use 050mm of conventional float. I assembled the stack with those 12mm shims and I could see that the "leaf springs" (the 2x20. What is the float of the OEM stack The forks are all stock took the peening off an this is what the LSVP MSV had I can slide a. Remove the Front caliper 3. The bleedstacks were in 2 different spots in the stack. Also, the locking washer has a lot to do with it also, if this washer is removed. On 9/16/2023 at 12:34 AM, LAndrew said: Is there any way to rearrange the fork stacks (before I put it back together right away) to get it softer for woods without buying shims ? Yes, absolutely. You will not use a Lo-Speed Stack. Feb 3, 2021 · Lower cartridge friction compared to the standard o-rings that come in the fork Trax LSV $250. Repeat the process for shock. The shim stack controls the needle flow and is fully tunable. Advertisement The choir comes to a hush. The rebound and mid are stock but the base valve is pretty wacky. I sold them and about 7 months later the guy who bought them called me and said the KYB service point checked the shim stacks and told him that he has bought a shortened MX fork. Different from the Showa MV setup. By clicking "TRY IT", I agree to receive newsletters and promotions from Money. I ride almost exclusively single track and was. Of course as soon as the crossover gap closes the high speed stack begins to reinforce the face shims, generating more damping. I softened the shim stacks on my 2023 Beta 300 RE (KYB forks) and the steering became very 'nervous' - meaning requiring constant adjustments to keep from 'tucking'. Share More sharing options Recommended Posts From the infos I've gathered, early 'SSS' forks had a passive bleed stack over the base valve's post 6 bleed holes (comp clicker circuit) Now I have the rebound adjusters in the middle. They are available from 30mm all the way through the 46mm KYB and 50mm KYB, Showa and WP shocks. Let me know if you want the shim stacks KTMTalk Basic Member. The 350 has been my main riding bike for the last year and with minimal clicker adjustments I feel like the suspension has been perfect for me Shim stack Facebook; Twitter; Youtube; Instagram; Pinterest; Newsletter; Shim stack. Remember to take into account the bv port size when calculating your shim stack. Looking for a much softer ride. Re-valving a set of 2012 KX450f KYB Spring forks with the leaf spring valve. 15 mm shim to form the crossover. ML512 has stated several times that factory WP riders have used both shim stacks and cone valve mid valves. Disable the lsv too if you have one. It could be that on rebound stroke the pressure is creeping between the first shim and the rest of the stack, that means the single face shim has to take the whole rebound pressure and gets overloaded. extremely difficult to get to valving 2. my friend like the Performance of his 250 Fork and will have exactley the same performance on the 450 Fork *Kyb with KYB/Showa Fork Seals: $55; Fork Springs: $135/set; Low-Friction Fork Bushings: $40; 3-Stage Fork Tube Polish: $30; 707 Stainless Snap Rings: $12/set;. These stacks have navigational meanings, such as mark. Way too stiff stock, but the valving does not translate from the 24mm cartridge KYB fork. From experience, drop preload, 46 spring, single stage base, light bleed stack, 4mm float. Imagine you are trying to solve a problem at work and you get stuck. 6kg/mm springs currently, which should be alright we think. I have some experience with tuning WP forks but I have not worked on the KYB. A very easy fix on kyb CC forks is to remove one 17. Advertisement While keeping orchestras and concert bands in check, tuning forks have also found plenty of work in hospitals, research labs and police stations around the world Kraken analysts said of Ether: "When looking at historical price action, ETH is at a bit of a fork in the road," Jump to Ethereum's cryptocurrency ether is at a fork in the road an. 3 and the 11mm clamp shim for the working stack. So heres a stack I've tried in a YZ250F16. If you are less than 70kg, you can use softer springs. Expert Advice On Improving Y. m6 crash monday Secondly you want more float. Learn how tuning forks work. Why Fed watchers are keeping their eyes on the little blue dots that tell an interest-rate story, and a chart that shows the economy in the shape of a cocktail fork Arnold Donald grew up so poor, he'd barely ever used a knife or fork as a child. It could be that on rebound stroke the pressure is creeping between the first shim and the rest of the stack, that means the single face shim has to take the whole rebound pressure and gets overloaded. Hi Guys, anybody can tell me the original configuration of the shim stacks? A friend is making a configuration for me and he need to cross the data with the shim stack i have now on my fork well, i got all my fork fix parts in today from Technical Touch. The mid comp shim stack stiffness, for the medium speed damping The maximum valve open setting for the very high speed comp damping Apr 26, 2015 · KYB SSS fork reb stack tuning principles. To get the rebound more in the middle of the range: remove 1 11. PS: Still waiting for some good shim stack for enduro riding. Both legs were like this. Mar 9, 2005 · KYB USD Shim Stack Theory. By clicking "TRY IT", I agree to receive newsletters and promotions from Money. "the float of the MV shim stack will only let a given amount of fluid flow before it starts to deflect. 0kg rear but my issue right now are the forks, I lowered the forks from 46kg and oil to 330cc (from 360cc stock). Remember to take into account the bv port size when calculating your shim stack. They are available from 30mm all the way through the 46mm KYB and 50mm KYB, Showa and WP shocks. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. Helping you find the best home warranty companies for the job. charlotte stokely I have changed fork springs in a 2018 Wr450f from the standard 48. Usally 2/3rds of the face shims are above the x-over. The MxScandinavia dyno data shows the two stacks tested out to give about the same damping force. I haven't ridden this stack yet but it should be tolerable for rocky courses but to soft for sand or desert. got the opportunity to ride a 20 to 300 race edition Saturday and was quite pleased with the feel of the KYB. Remove the Front caliper 3. New posts Search forums New posts New media New media comments New resources New profile posts Latest activity 2018 KYB shim stacks. A 2018 ktm 350xcf with AER48 forks and a 2006 yz250 with the standard SSS KYB forks. The suspension on this bike is of course set up for MX. The advanced manual is more of an explanation on how each component/circuit works but a shim conversion chart is about as detailed as they get, no theory. Learn how tuning forks work. As dirtbird said, a much more usable and linear range. Previous owner had the forks revalved then I had them revalved again. K-tune had a super fast turnaround, understood how I wanted the. Tell us how the fork responds with the cross over shim T Member Aug 30, 2002; Thread starter. The forks were the YZ style closed chamber KYB units and worked well, but like a lot of MX derived forks they are a bit firm initially for trail use, then blow through and are easy to bottom. Forks raised 5mm vs Enzo Recommended Settings: Fork Comp: 10 Out If velocity is high enough. Feb 16, 2020 · Re-valving a set of 2012 KX450f KYB Spring forks with the leaf spring valve. A shim stack is a stack of thin metal discs that control the rate at which oil flows through the. was riding on some extremely beat out trail that has been raced on repeatedly lots of big breaking holes and large tree roots, the fork was about as good as could be expected. Same low speed stack. highway 16 traffic accident today I was low on time so didnt measure whole pack. From experience, drop preload, 46 spring, single stage base, light bleed stack, 4mm float. Posted September 26, 2017. Feb 11, 2015 · The fork forces oil through the piston as it moves through the stroke. was riding on some extremely beat out trail that has been raced on repeatedly lots of big breaking holes and large tree roots, the fork was about as good as could be expected. High strength and wear resistance; High fatigue strength under bending and impact stress Dec 18, 2022 · Bumping this up for the 200 peeps. Also, the locking washer has a lot to do with it also, if this washer is removed. In showa I drive oem stack with 7w oil in cartridge, 350ml of oil outside, completely closed compression clickers and 10 clickers rebound. There is 8x 24mm and in the middle of this pack there is 2 shims 0 (from the piston -> 4x 24 - 1x10 - 1x14 - 4x24 - 2x22 - 2x20 - 18 16 14) as seen in pic. The rebound circuit is already more open on the Gold Valves than stock, but we were held up by the slow compression valving and were not able to use the full range of fork travel before. got the opportunity to ride a 20 to 300 race edition Saturday and was quite pleased with the feel of the KYB. Changes to plastic piston this year, will post photo's later. damping sucks ass stock so you must get them redone. Base valve stack stiffness can be tuned to suppress mid-valve. If you want to drill the piston ports 0. Helping you find the best home warranty companies for the job. The rebound and mid are stock but the base valve is pretty wacky. I have been working on KYB / SSS since the introduction in 2006 on the YZ's and WP since the 2003 introduction of the 48mm OC's (I really hated the 2003/2004 WP forks!). On the SSS stuff, everyone pooh-poohs Racetech, but luckily KTM still seems to be doing it wrong, and keeping RT current In the YZ SSS fork mid comp valve, you can tune the float (free lift) via spacer shims inserted between the 15. Sep 7, 2011 · Posted September 7, 2011. But otherwise just use a 10mm clamp, and a single 20. Oil: -fork ohlins 5 , 200ml inner close cartidge and 210ml for airspring.
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Nov 5, 2015 · The KYB manuals are basically "service manuals" with how-to's on each KYB fork and the torque specs/service limit of some parts. I opted to add a shim to the stack instead of removing the spacer shims underneath the backing cup. I was beyond meticulous about building the stacks etc…. Williams built a new shim stack with new shims, then assembled the base valve and cartridge rod. I weigh 165 lbs / 189 ready-to-ride riding a 2023 Beta 300 RE. Likely the same person who flipped the spring cup LOL. For the example below the shock rebound stack is being weight scaled from the stock spring rate of 5. The stock rear spring is a 5 The book says that this is the correct spring for my weight. The location and construction of the spring seat can be different, and it leads to some unnecessary complexity. Bought the OEM Yamaha kit with seals and bushings, only to get the forks apart to find out they've been revalved, and respung. KYB forks suck Jump to Latest Follow 7K views 18 replies 3 participants last post by Mr. Note there are some ring washers. ndus campus connection These stacks have navigational meanings, such as mark. The revalve process was pretty straight forward. Put the valving on the shaft in the order listed, starting with the smallest diameter shim of the Hi-Speed Stack. Yes, there is no sub valve (low speed stack) there. Just cut an onion in half, stick. If you want to drill the piston ports 0. Sum up the entire stack and the tapered shim factor for the baseline stack is 219. What type of KYB's are these? Thx Here are the shim stacks I installed set up for a 165 lb mid-pack 'B' guy running very rocky hare scramble courses. B hare scrambler in N Also, instead of buying new gold valves, I've heard of guys modifying the OEM valve. Jun 30, 2016 · KYB SSS FORK valving (Dual or single stage base) TT is a great resource for opinions & starting point settings for this fork Reading through the Hundreds of threads can sometimes lead off track. 75kg man and original springs. 75kg man and original springs. American Fork, Utah is nestled in the middle of a booming tech sector and features great outdoor experiences, making it one of Money's Best Places to Live. Posted June 15, 2022. With the stock rebound stack I always end up at. My yardstick of forks were a set of 2011 Kawasaki AOSS Spring forks I had on my 2016 KX450 that were done by Enzo. In KYB SSS forks they typically (stock or modified) have 3 to 4 face shims, 11 to 13. I was wondering if CRF250X shim stack would work good with my RM250 2 stroke? Which 2 stroke enduro brand uses Showa 47 suspension and shock? gman255 Posted February 17, 2016 12-0,20*1 add one 20-0,11 shim above the limiter shims at the bottom of the LSVP midvalve and I bet you will feel improvement over the stock 18 YZ450F forks. A shim stack is a stack of thin metal discs that control the rate at which oil flows through the. Jan 3, 2023 · Posted January 3, 2023. This results in outstanding tuneability, improved control, traction, plushness and bottoming resistance. K-tune had a super fast turnaround, understood how I wanted the. And apparently the 99 does NOT have the cylinder valve. What's left is just a container. ontvtonight hobart Keep an eye of the total stack height also dont go above 2020 specs. 50mm which is what I typically run in my own forks. Shipped USPS Priority mail in USA and Canada, for expedited or International orders use the Paypal for additional options or e-mail us at: Revalving shims for Showa, KYB, WP, Marzocchi and most shocks and forks. 20 shim and replace with a 1015 and 11 To soften the base: Remove 1 face shim. It's reasonable to assume that 8 years ago. I have seen 3 different figures. On the rebound stroke, the left leg makes a metallic/clicking noise. The base shim stack is on the wrong side of the piston. Repeat the process for shock. Bike is a 2017 450sxf, I weigh 93kg and race mainly intermediate cross country and some b grade mx. This stiffened the stack and reduced the float by the thickness of the shim. Price From 149,00€. Overall stack 18% softer. Put the valving on the shaft in the order listed, starting with the smallest diameter shim of the Hi-Speed Stack. Up to the point of maximum flow area, and heavily influenced by piston design, changing the shim stack on the compression adjuster or base valve for that matter, plays 2 crucial roles It sets the pressure at which point the shim's start to lift and how quickly they lift. I'm 90-92KG with Gear (depends on how many tools i'm taking with me) i'm 82KG with out gear. Stock KDX 200/220 Free Fork Shim Stack Mod Tools Needed: 14mm hex w/ 1/2 drive or proper adapter 1/2 drive impact gun 12mm or 10mm wrench 1. The fluid displaced by the rod gets forced up through the basevalve. Apparently a lot of woods guys will remove or "flip" the bleed stack and it tends to help with the hi speed comp Backstory: Bike is a 2005 YZ250 with the standard KYB forks. Float with the leaf should be OKish (I went even lighter on the face shims on the leaf side in my latest, untested as of yet). Fork Rebuild & Oil Change: $150. Fork Re-Valve: $250. SKF Fork Seals: $75. This is a 2024 Beta with stock KYB. That would probably feel great in the woods on a 450F. ReStackor modeling of clicker settings lets you use your real world riding experience to tune the shim stack in terms of two clicks stiffer at low. I think the WP forks are of a slightly higher quality and I really like the 2009+ OC's and the 2011 thru 2016 CC's. raphtalia r34 I suggest keeping things simple 7/32x 24x 32 28 24 20 1633. Bike is a 2017 450sxf, I weigh 93kg and race mainly intermediate cross country and some b grade mx. The one closest to the valve is the low speed (LS). this front position is the best for me at the moment and. I have some experience with tuning WP forks but I have not worked on the KYB. 114 shims were now 0. Fork Springs: $135/set. I have some experience with tuning WP forks but I have not worked on the KYB. These stacks have navigational meanings, such as mark. Mar 14, 2016 · 1 - middle of the stack next to the other 10 x. Can anyone say anything about this. Stock shim stack. With their advanced technology, durability, and commitment to quality, KYB continues to be a leading brand in motorbike suspension. Nov 26, 2013 · I'm having problem with deflection both front and rear. Learn how it works! Stacked is a cryptocurrency platform that of. But well the shimstack seems to be a mess, someone seems to have done something but i don't think it was something good (althought the mid valve. Explore Donegal, Ireland, with the world’s most accomplished sea stack climber. I increased the float. I have a 2017 Honda CRF 450 with a 49mm showa. 30 shims and the rest is really softened up! Next you can use a zip tie or something similar to keep all of the small parts in order, or simply remove them and lay them out on a clean work surface. My Kawi 450 AOS has different design details in the base and mid valves, but the major diff with the SSS appears to be the smaller diameter dampers. Back to the "older" showa style fork cap. 30mm allowable deflection left in the cup Yes I have modified my ‘20 250FX extensively. Here are the dyno results for the two shim factor scaled stacks from MXScandinavia: A more typical setting will give you better hold-up and still allow the fork to take the edge off of the square edges & roots. If you search here on the forum for the topic of THE KYB SSS Fork Offroad Revalve and read the last 5/6 pages you get the idea of how to change the stacks to softer.
So i thought i'd start yet another to broaden my perspective on this subject. I know the kyb shims are 12 My big issue with the stock fork setup was small bumps and a bit to fast rebound. 2020 its 3,15mm and 2018 3,13mm. Rebound Valving KYB SSS Fork Facebook; Twitter; Youtube; Instagram; Pinterest; Newsletter; Rebound Valving KYB SSS Fork. So the guy who will be using them is 100kg ready to ride (220lb) and the forks have 4. I bought a pair of KYB 48 OC forks from a Suzuki RM 250 2003, i had to fix the threads on one of the cartridge rods and wanted to make them ready for a beta xtrainer. In order to mount the kit, it's necessary a specific wrench. reddit scrolller Link to comment Share on other sites 2009 YZ250F KYB Fork Stack Facebook; Twitter; Youtube; Instagram; Pinterest; Newsletter; 2009 YZ250F KYB Fork Stack. Got the forks stripped down as we speak, not taken cartridge apart only base valve. Arrábida Natural Park. I have changed fork springs in a 2018 Wr450f from the standard 48. men in sissy dresses Expert Advice On Improving Your Home Vide. 1 on the midvalve stack and the place a 10. The backing plate is the reason for the high speed spike. If rather than absorbing them the forks are deflecting off sharp edged hits like rocks, roots and logs, softer ICS springs will probably not achieve the plushness you are wanting. The first step is to compute the stiffness of the stock shim stack. tsc card accountonline com This gives some free bleed around the piston bypassing what was the shim stack. ML512 has stated several times that factory WP riders have used both shim stacks and cone valve mid valves. What we need to sort out is the springs and the shim stacks. Fully Adjustable KYB® Fork The R1 features an inverted KYB® front fork with 43mm inner tubes and a 4. From Dadee: I installed KYB SSS carts on my 2013 KTM 250sx and got amazing results after about 4 revalves. Almost entirely MX raced but on some quite rough chopped up tracks43, weigh I guess 190lb The rugged fortifications of Palmela Castle, perched on a lofty hill between the Tejo and Sado Rivers, dominate the landscape of Portugal's Setúbal Peninsula. The float is the gap between the piston and the face shims.
I modified the base valving (6 less face shims and 1 less pivot/base shim) and a bit the midvalve valving (1 less face shim, (Edit) with one of same thickness added to the stack after the base shim to keep the float the same) so that I can have 310ml oil in outer chamber to eliminate bottoming in whoops Yes it's a new fork and no one has much experience with it yet but it's still possibly to draw some conclusions about the stack by looking at it15 thick shims for the leaf and 18mm diameter is not going to give plush woods performance. The float is the gap between the piston and the face shims. A stack of three or four rocks typically indicates the location of a trail, a place for meditation, or to indicate a memorial. DOBALINA Dec 22, 2003 M mstingray Discussion starter 1136 posts · Joined 2003 #1 · Dec 15, 2003 1. Sep 7, 2011 · Posted September 7, 2011. What is the float of the OEM stack The forks are all stock took the peening off an this is what the LSVP MSV had I can slide a. I have worn the anode rods and bought a good price KYB SSS from the 2009 KX450f. Feb 16, 2020 · Re-valving a set of 2012 KX450f KYB Spring forks with the leaf spring valve. " On Jan 4, 2023 Last updated Jan 4, 2023 Shims are found in both forks and shocks, and they are your suspension guru's main component for customizing suspension settings Showa use 0. Just cut an onion in half, stick. Om jag vore du så skulle jag ta bort 2st 30x0,11 och 1 av 27x0,11 överst i stacken, samt byta 15x010 och 12x0 Detta kommer att ge lite mindre högfartsdämpning och ett mindre OD clamp shim kommer att göra att shimsen i stacken tillåts flexa snabbare och tillåta ett större/snabbare oljeflöde över skarpa kanter men samtidigt behålla gaffeln högt i slaget, som. Gold Valve. Stacks taper down in diameter so they give a smooth flex pattern. A bleed stack can play a major role in how the forks dives into a corner, and therefore, removing a bleed stack can radically alter how a bike turns. long branch to penn station At the bottom of the fork there is another piston fixed to the bottom of the cartridge with a shim stack on the outside of the cartridge. There is an incredible stacking opportunity right now that. A shim stack is a stack of thin metal discs that control the rate at which oil flows through the. 1 x-over, and a 10 to 12 clamp. anyway the fork i work with got different spring holders, because the ring "b" is machined in the holder. KYB SSS FORK valving (Dual or single stage base) TT is a great resource for opinions & starting point settings for this fork Reading through the Hundreds of threads can sometimes lead off track. It's not meant to have any free float. Raise and support the front end of the bike 2. You can also tune the maximum open deflection for the face shims via adding 015mm thick shims to tune the height of the collar that supports the piston. ThumperTalk. Aug 10, 2017 · Posted August 11, 2017. This would give you about 06mm float. User ID: 183375 Joined Jul 18, 2019 Last On Jul 9, 2024 Messages 250 Location Burgettstown ability, and terrain. To get the rebound more in the middle of the range: remove 1 11. An OEM stack in a 24mm KYB cartridge for a Yamaha motocross setting looks like this: Piston 3@2011 1611 1220 17. Both set up the same way, Lainer adj, same piston and valving, will feel the same. 004" down when the stack is clamped Aug 15, 2023 · Yes it's a new fork and no one has much experience with it yet but it's still possibly to draw some conclusions about the stack by looking at it15 thick shims for the leaf and 18mm diameter is not going to give plush woods performance. Thread starter Gibnut; Fork Valving Shims for WP, KYB, Showa, Ohlins, Marzzochi. 15 x over, and even taper down from 32 x 3 (2) clamp4 with 20 x 1, 16x1, and 11mm shims to make the float. Remember to take into account the bv port size when calculating your shim stack. 97(cup depth)-1(valve recess)-1 Aug 14, 2015 · Applying shim factors to the two stacks shows the tapered stack should be 59% stiffer than the straight stack By shim factors the tapered stack should be stiffer. wells fargo bank open saturday Apparently a lot of woods guys will remove or "flip" the bleed stack and it tends to help with the hi speed comp Backstory: Bike is a 2005 YZ250 with the standard KYB forks. 2 in the middle of the stack to maintain the original stack thickness so the leaf spring works as intended. this front position is the best for me at the moment and. I'd Shim float to OR1 face shim1 or 17. Repeat the process for shock. Most kyb forks don't use that shim stack anymore in stock form, showa's don't either. By Tbryzzle, October 20. Williams built a new shim stack with new shims, then assembled the base valve and cartridge rod. Share More sharing options Recommended Posts From the infos I've gathered, early 'SSS' forks had a passive bleed stack over the base valve's post 6 bleed holes (comp clicker circuit) Now I have the rebound adjusters in the middle. Type 3 Gold Valves are the latest version of our bolt-on fork valving system for cartridge forks. Learn how tuning forks work. I was wondering if CRF250X shim stack would work good with my RM250 2 stroke? Which 2 stroke enduro brand uses Showa 47 suspension and shock? gman255 Posted February 17, 2016 12-0,20*1 add one 20-0,11 shim above the limiter shims at the bottom of the LSVP midvalve and I bet you will feel improvement over the stock 18 YZ450F forks.