The chart on the right shows damping forces in the left and right stock Xplor fork legs. Want details and data? Tusk WP Xplor Fork Preload Cap Wrench 183-582-0001. WP is now offering the Xplor Pro 6500 Cartridge fork for KTM and Husqvarnas from 2017 to the current models, and the 2021 GasGas EC 300. Shift Levers. x 470mm length. Why is cavitation bad for fork performance? Oil Filters. Next step beyond oil weight change is to revalve the suspension components. No matter how much information we gather, it is nearly impossible to fully understand his requirements. KTM's profilation of this bike: The 500 EXC-F is the strongest Enduro bike in the world. → Kreft XPlor with Revalve Control provides total control of the damping curve. WP 4CS (Four Chamber) forks have been used in KTM European models since 2013. When you think about it, the suspension is the most critical systems on your bike. Some models come with external pre-load adjusters. In user manual is only oil capacity - 635ml. The manual calls for SAE 4 fork oil. K-Tech Off Road Valve System is a direct replacement for the WP XPLOR cartridge systems. Each fork can be fine-tuned to meet the special requirements of each individual customer Open Cartridge technology, well-established in racing Compression and rebound damping easily adjusted at the top of the fork … WP KTM Husaberg Closed Chamber Bladder Forks.mp4 How To Rebuild The WP Fork Inner Cartridge How to Change WP Closed Chamber Fork Springs How To Rebuild WP Xplor Forks WP 4CS Fork Seals Is it worth spending $10,000 on dirt bike suspension? Improved feedback from the track in every riding situation The air chamber is already there in the fork’s design (which is adjustable), and air offers incredibly progressive resistance. ALL WP AER & Xplor Fit forks. Tusk WP Xplor Fork Preload Cap Wrench $12.99 $17.99 You save 28% . 47mm x 493L; 47mm x 740mm SFF (11 KX250F) 49mm x 470mm 17 CRF450; 48mm x 657mm SFF; 49mm x 657mm SFF; WP Fork Springs. Fluid filled with bubbles produces much less damping force than a stable fluid. Performance Parts. I didnt like the fork so I got it revalved. The air chamber is already there in the fork’s design (which is adjustable), and air offers incredibly progressive resistance. Pus the oil contained within the WP air fork’s outer chamber is purely for lubrication. The KTM 500 EXC-F’s fuel-injected powerhouse makes it the most compact and lightest 500 on the market, while delivering groundbreaking torque and power figures over the entire rev range thanks to a single overhead camshaft cylinder head and the latest electronic fuel injection. In user manual is only oil capacity - 635ml. Compare . Fork oil change. Oil pump. But in our opinion, the design of the forks leaves massive room for improvement. Rocky mountain and other stores also only list 4W, 5W, 7W, etc fork oil. The WP XACT Pro Spring fork has a spring and clicker-controlled damping in both fork legs. The XPLOR PRO 6500 Cartridge was developed to easily upgrade your bike by utilizing the standard fork rods of your endure and improve your riding experience. No control of low speed compression damping, Progressive damping curve (wallowy, but harsh on sharp impacts), For 2017 KTM 450 EXC dyno chart click here, Total control of both low and high speed damping, Kreft XPlor Low Speed Compression Adjustment Range, The compression adjuster causes the damping curve to shift up or down, but does not change its slope, This is the traditional function of compression "clickers", Kreft XPlor Revalve Control Adjustment Range, Revalve Control changes the slope of the damping curve, Accomplishes the same thing as a traditional "revalve" service, No other suspension fork has this adjustment capability. Your email address has been added to our newsletter distribution list. In other cases, the requirements vary so widely that any single suspension setup is incapable. 35 x 330L Mini Fork; 48mm x 485L Bladder Fork; 48mm x 505L Open Fork; 48mm x 470L 4CS and Xplor Fork; 43 x 580L 85 Fork Spring (For Conversion) Balance/Pressure/Chamber Springs; Shock Springs. It replaced the previous Open Chamber (OC) and 4CS Forks. Oil: SAE 4 (fork oil 4w) Quantity: 635ml per fork Air chamber: 110mm According to the instructions: new oil every 50 hours That I changed at 200h Bel-Ray High Performance Fork Oil $11.99 $15.82 ... Prices are subject to change without notice. Bolt Kit SRV-003 Shock Re-Valve & Set Up $164.95 SRI-020 (‘15.5-18 only) Shock Piston, Shock Oil, Bladder Cap, Bladder, Air Valve, $265.54 We incorporated this feature into our modifications for the XPlor fork for three reasons: 1. These instructions are for the models with the inverted, WP forks. Redistribute damping duties equitably between both fork legs, Replace Xplor's problematic compression adjustment mechanism with our revolutionary Revalve Control system, New low speed compression adjuster circuit, Overhaul the valving configuration in line with Kreft standards: firm but plush, Video: Kreft Moto’s XPlor suspension mods, Plush response to sharp impacts at speed (no more high-speed deflection), More consistent damping performance due to reduced cavitation and hysteresis, Effective and independent adjustment circuits provide total control of the damping curve, Kreft provides a suspension settings table to help you get the most from Revalve Control, Clear guidelines on how to tune for varying terrain and ability levels, Revalve Control adjuster on the left fork cap, Example XPlor settings table - provided to every rider, Note: cost of wear parts and fluid not included. In stock form, the right fork leg does all the work. + Giveaway Winner! The XPLOR forks come from WP as a trail-friendly package for slower-speed, dual-sport terrain. The WP XACT Pro Spring fork has a spring and clicker-controlled damping in both fork legs. S.A.S. Without an upgraded shock the rear wheel is free to bounce around and skip small obstacles that otherwise would give you more traction to launch up your hill. The rest is very similar to most modern forks. Tusk Fork Cap Wrench $13.99 ... Motorex Racing Fork Oil $16.99 – $20.99. Despite the XPlor PDS shock's limitations, we consider it a solid platform for development. The XP-One kit replaces the base valve and the mid valve (not present on the original fork) and this allows a much improved oil flow for the fork. WP has a long history in the professional Enduro racing scene and provides many parts to the sports top factory teams. KYB 3mm inverted fork, fully-adjustable: WP XPLOR 48mm inverted fork, fully-adjustable: REAR SUSPENSION: KYB single shock, fully-adjustable w/remote preload adjuster: WP XPLOR PDS single shock, fully-adjustable: FRont SUSPENSION TRAVEL: 8.3″ (210mm) 9.45″ (240mm) Rear SUSPENSION TRAVEL: 7.9″ (200mm) 9.45″ (240mm) WHEELBASE: 62.8″ (1595mm) Each fork can be fine-tuned to meet the special requirements of each individual customer Open Cartridge technology, well-established in racing Compression and rebound damping easily adjusted at the top of the fork … The unequal distribution of damping force creates excessive cavitation in an open-cartridge fork. x 470mm length. Below are a few of the shortcomings, as we see them: 1.) Kreft mods distribute damping duties evenly between both fork legs. The Motorex Racing Lab also developed an additional 4W RACING FORK OIL for the 4CS, AER and Xplor forks by WP. THAT MAKES THE FORK FEEL HARSH! The stock WP XPLOR fork is a low cost design that results in very soft suspension. The same thing happens when you open a bottle of soda -- bubbles dissolved in the fluid when under pressure become fizz when the container is depressurized. THEREFORE, we always use the "with oil" method and fill the gap with fluid before setting oil level (as described above). Bel-Ray High Performance Fork Oil $11.99 $15.82 ... Prices are subject to change without notice. * Maxima Racing 85/150 5w oil. All rights reserved. Quick View. The XPLOR PRO 6500 cartridge will fit most KTM and Husqvarna models from 2017 onwards outfitted with a WP fork, and the GasGas 300 EC also supports the upgrade. Hi, I have a KTM 350 with AER 48mm Air forks. Fork fluid contains dissolved gasses that can materialize into tiny but visible bubbles when a pressure drop occurs. 2017 WP Xplor Fork Oil Seal Change. Thanks to our ground breaking Revalve Control system, Kreft Moto Xplor has highest degree of versatility ever seen in a production or aftermarket fork. Showa Fork Springs. Identifying and satisfying an individual customer's suspension preferences is the most challenging part of being a suspension tuner. 2. We were able to successfully address each problem area without the need for a major design revision (as was required for the XPlor fork). Normal damping force returns after the bubbles collapse, but meanwhile the fork has lost travel. Oil pump. The Xplor fork comes as a single-side function fork, meaning all of the damping is in one side. The fork … Kreft Moto Xplor: Left vs Right Fork Legs. Revalve Control puts the full power of a professional tuner at your fingertips, enabling customers to test and experience different types of valving configurations (based on our settings chart) for the first time. If you want to change oil level or replace fork springs, it is difficult to remove oil from between the tubes. When you strike a bump, the amount of force transmitted to the rider is directly proportional to the travel your suspension uses to absorb the bump (F=ma). Fork Springs WP48mm 44mm x 470mm for WP 4CS & WP XPlor. The Motorex Racing Lab also developed an additional 4W RACING FORK OIL for the 4CS, AER and Xplor forks by WP. Plates. Pus the oil contained within the WP air fork’s outer chamber is purely for lubrication. 9 Quick View. Though Xplor is asymmetical, it is unpressurized and as a result suffers from severe cavitation. The Xplor has compression and rebound adjustment on both fork caps with no adjustments at the base. Kreft Moto converts the Xplor fork into a high performance damper capable of adapting to any terrain and any rider - from beginner to pro. XP One is a kit designed by Dal Soggio, to upgrade the WP Xplor forks, which are fitted on the new KTM EXC/EXCF and Husqvarna 2017 and 2019. The stock Xplor fork has a very narrow compression adjustment range, and low speed compression cannot be adjusted at all. The WP AER fork is also an asymmetrical damper, but the design wisely includes a powerful pressurization system. A non-cavitating fork distributes the bump force more evenly across it's available travel, creating even, predictable dampig right from the moment of impact. The more damping force is created, the greater the pressure drop across the valve. In other words, you no longer have to change the oil height (and air volume, as a result) to generate better bottoming resistance. The stock Xplor fork places 66% of compression damping and 100% of rebound damping in the right fork leg. THEREFORE, we always use the "with oil" method and fill the gap with fluid before setting oil level (as described above). Tusk Fork Cap Wrench $13.99 ... Motorex Racing Fork Oil $16.99 – $20.99. Fluid filled with bubbles produces much less damping force than a stable fluid. Fork top adjustability on the WP Xplor Pro 6500 cartridge WP Suspension Xplor Pro 6500 cartridge advantages. Notice that the blue curve (right leg) does 100% of the rebound damping (shown as negative forces), and about 66% of the compression damping (positive forces). These are very high quality with KTM suspension spring rates not available from WP … Thanks for joining us here for the basic tear down of the new WP XPlor 48 mm fork that comes on the Husky TE models and the KTM EXC-F and XC-W models, as well as Husky TE, FE, FE-S. The 1st adjuster makes big change in damping force with an 8mm hex. WP Inverted Fork Oil Change -by Steven Iveson [Additional comments by Jerry Riedel] Having just changed the oil in the forks from my Daytona I might be able to lend some insight. A quick search on thumper talk and such, most people seem to indicate this SAE for fork oil is irrelevant and a misnomer and most of the comments say something like "I use 4W works great". Watch our video review or our technical overview. Design by: Blue Sky Designs, How-to Change WP Open Cartridge Fork Springs, How-to Install Slavens Mule Lucky Fork Cartridges – Xplor Forks, How-to Replace Fork Seals on WP AER Forks, How-to Change Fork Springs in WP Xplor Forks, How to Change Fork Springs – WP Explor, 4CS, Open Chamber, Shock/Rear Suspension Parts & Accessories, How to Use the Athena WiGET App for GET ECUs, Product Showcase Nihilo Secondary On Switch (SOS). Certainly it is a stronger starting point than the stock XPlor fork. Quick View. Pus the oil contained within the WP air fork’s outer chamber is purely for lubrication. The air chamber is already there in the fork’s design (which is adjustable), and air offers incredibly progressive resistance. Cavitation bubbles have been measured at over 6000° C (for a brief moment) and are known to destroy industrial valves and boat propellers, among other things. These are very high quality with KTM suspension spring rates not available from WP … The XPLOR Pro 7548 Fork (which supersedes WP’s 48mm Cone-Valve fork) still comes with conventional pistons and shims for both compression and rebound damping in both fork legs, but a tapered cone replaces the traditional mid-valve assembly (and this appears in both fork legs, not one) to give you additional tunability. KTM Fork SealsHow To Rebuild The WP Fork Inner Cartridge KTM \u0026 Husqvarna WP Xplor Fork Oil Seal Change- Updated How to Service WP KTM Husaberg Closed Chamber Bladder Forks.mp4 How To Rebuild The WP AER Motorcycle Forks KTM and Husqvarna AER 48 fork spring conversion KTM Suspension Springs – 44mm O.D. XPLOR Pro 6746 Enduro Shock. Quick View. The 4W fully complies with the specifications indicated by the WP’s fork … Timing chain … It got a little bit better but I wasnt happy with them so I got them revalved again but Im still not happy with them. Thank you! This asymmetry is a poor design for an open cartridge fork because it causes excessive cavitation and hysteresis. These forks require a special procedure on fork reassembly. Thanks to the numerous and externally adjustable settings, you are always perfectly adapted to all off-road demands even when conditions change at the last minute. Revalve Control is a groundbreaking new technology created by Kreft Moto suspension engineers. The Xplor fork comes as a single-side function fork, meaning all of the damping is in one side. 1: This motorcycle fork cap wrench is made to fit modern WP dual-chamber forks with a 50mm hex fork cap. In fact, riders who are more aggressive and attempt to push the stock forks at a higher than trail tour pace – find the forks too soft, unpredictable and easy to bottom. KTM Suspension Springs – 44mm O.D. In other words, you no longer have to change the oil height (and air volume, as a result) to generate better bottoming resistance. Cavitation and the resulting hysteresis causes harshness, fade, unpredictable damping behavior, and rapid fluid breakdown. The WP AER fork is also an asymmetrical damper, but the design wisely includes a powerful pressurization system. Oil Filters. For a full list of all models that support this WP upgrade, please visit the WP … Ep. Cavitation is also extremely destructive to the fork fluid. Plates. shipping: + $9.02 shipping . 2017 -19 KTM / HUSKY XPLOR APS FORK MODS; SFR (STANDARD FORK REVALVE) - ALL BRANDS; APS (ADVANCED PROGRESSIVE SYSTEM) FORK MODS - KTM OPEN CHAMBER FORKS (00-06 ALL / 07-16 EXC/XCW) ... WP made some decent forks. K-Tech Off Road Valve System is a direct replacement for the WP XPLOR cartridge systems. WP To KYB Conversion (Fits WP 4CS / AER / Xplor Forks) (WP To KYB Conversion) Choose Your Spring Rate From One Of The Two Lists Below Choose Fork Spring Rate 497mm (No Spacer Needed) Xplor Shock Service - $125 *Inspection and cleaning of all parts (Shaft Bushing is only cleaned and inspected if seal is replaced.) Husqvarna `17-19 TE 125/250/300, FE 250/350/450/501 (Xplor) Husqvarna 2019.5 FC250/450 Factory Edition (WP XACT air fork) Husqvarna `20-21 TC/TX 250/300, FC/FX 250/350/450 (WP XACT air fork) Husqvarna 701 Enduro `19-20 Husabergs with WP forks EXCEPT 4CS Forks All Gas Gas with WP or Marzocchi forks `21 GasGas EX300, EX/MC250F, EX350F, EX/MC450F In other words, you no longer have to change the oil height (and air volume, as a result) to generate better bottoming resistance. KTM WP 4CS & WP XPlor fork springs made in Europe and the USA for Slavens Racing. Bolt Kit SRV-003 Shock Re-Valve & Set Up $164.95 SRI-020 (‘15.5-18 only) Shock Piston, Shock Oil, Bladder Cap, Bladder, Air Valve, $265.54 SRV-002 Fork Re-Valve & Set Up $194.95 FRI-039 WP XPlor Fork Parts: Piston Rod Rebound, Piston Cpl, $201.95 Adjusting Needle, Spring Rebound, Oil, Comp. 3. How-to Change Fork Springs in WP Xplor Forks How to Change Fork Springs – WP Explor, 4CS, Open Chamber AER 48 Service Video //WP AER 48 Track Setup //WP ... Oil Filler Cap. Yes there is an allen bolt at the bottom of the fork … - … SRV-002 Fork Re-Valve & Set Up $194.95 FRI-039 WP XPlor Fork Parts: Piston Rod Rebound, Piston Cpl, $201.95 Adjusting Needle, Spring Rebound, Oil, Comp. A split fork design developed by WP and KTM, it is fitted with springs on both sides, but with separate damping circuits, with the left-hand fork leg damping only the compression stage and the right hand one only the rebound. Rear shock absorbers generate much more damping force than a fork, and consequently they are pressurized to 150 psi to reduce the risk of cavitation. 2017 -19 KTM / HUSKY XPLOR APS FORK MODS; SFR (STANDARD FORK REVALVE) - ALL BRANDS; APS (ADVANCED PROGRESSIVE SYSTEM) FORK MODS - KTM OPEN CHAMBER FORKS (00-06 ALL / 07-16 EXC/XCW) ... WP made some decent forks. A cavitating fork blows through the aerated fluid, and then has less travel available to absorb the bump once the the bubbles collapse. KTM WP 4CS & WP XPlor fork springs made in Europe and the USA for Slavens Racing. They still need to be tuned for your specific parameters. Revalve Control is the only fork adjustment capable of altering the slope of the damping curve. Performance Parts. But in our opinion, the design of the forks leaves massive room for improvement. ... Don't even have to drain the fork oil to install them. YZ450F Supermoto Build: KYB 48mm Fork Rebuild! 2017 WP Xplor Fork Oil Seal Change. The XPLOR forks come from WP as a trail-friendly package for slower-speed, dual-sport terrain. Kreft Moto has identified the following performance issues with the stock XPlor fork: Harsh response to square-edged obstacles at mid- and high-speeds, Ineffective compression adjuster (see dyno graph). WP introduced the Xplor fork. With the KTM method, when fluid transfers from the gap to the center of the tube, the oil level will drop 10mm. 1 x 50mm Fork Cap Wrench. Tusk WP Xplor Fork Preload Cap Wrench $12.99 $17.99 You save 28% . How are the Gobbler's different? $13.45. Fit for SX/SXF 2007-2013. Timing chain … We think the design brief was a light fork, easy to adjust, with setting aimed at … They redistribute the compression damping between both legs and a low speed compression adjuster to the left fork. Cavitation is the technical term for gas bubbles forming in the fluid. In some cases, the customer himself does not know or does not know how to articulate what he wants. Kreft Moto completely alters the landscape within the bowels of the WP Xplor fork. Revalve Control - the world's first external revalve. They were in limited U.S. models in 2014 and are on most 2015 KTM full sized dirt bikes. Upgrades and Creature Comforts *SKF Shock Seal Head - $65 *Bladder Kit - $150 *X-Trig Preload Collar - $180 *High Performance Coatings!!! A valve assembly consists of two critical parts. Compare . Specially designed for Enduro riding, the ORVS includes complete compression and rebound assemblies with new pistons, finer adjustment needles, a new hydraulic bottoming cup which seals the cartridge tube to improve damping response time / bottoming control and new top cap adjusters with … XPLOR Pro 6746 Enduro Shock. All suspension tuners will attempt to manipulate oil flow within forks and shock absorbers to achieve greater levels of performance. Compare . Improved versatility means improved performance potential. Shift Levers. The old open-cartridge fork has rebound adjusters on the caps of both legs which control The 4W fully complies with the specifications indicated by the WP’s fork design. Some models come with external pre-load adjusters. If you want to change oil level or replace fork springs, it is difficult to remove oil from between the tubes. They still need to be tuned for your specific parameters. ... Oil Filler Cap. A very basic adjustment would be to simply alter oil viscosity for a desired effect. Revalve Control technology (patent pending) is available exclusively from Kreft Moto, Video: our review of stock Xplor suspension. Fit for XC/XCF 2008-2013. Copyright © 2011-2017 Kreft, LLC. Traditionally, that would be accomplished with suspension revalve. How does XP-One kit work? Fork Springs WP48mm 44mm x 470mm for WP 4CS & WP XPlor. Up top the left side features the Revalve Adjuster which makes noticeable changes in the damping and the right side controls the rebound. For 2017 both brands’ enduro bikes got the new WP XPlor 48 fork, with Husky maintaining a point of difference by running three-way preload adjusters on the fork caps. Though Xplor is asymmetical, it is unpressurized and as a result suffers from severe cavitation. With the KTM method, when fluid transfers from the gap to the center of the tube, the oil level will drop 10mm. Below are a few of the shortcomings, as we see them: 1.) → XPlor with Revalve Control divides damping duties equally between both fork legs, reducing the danger of cavitation. Compare . Fork All EXC models are fitted with the WP XPLOR 48 upside-down fork. You may unsubscribe at any time. S.A.S. Furthermore, if a performance issue does arise, it is much more likely Kreft Moto can resolve the issue at a distance, rather than requiring shipping back to the suspension shop for a valving revision. XPLOR Pro 8946 is designed with rear tire contact in mind. → Kreft Moto's XPlor with Revalve Control eliminates the need for guesswork. Specially designed for Enduro riding, the ORVS includes complete compression and rebound assemblies with new pistons, finer adjustment needles, a new hydraulic bottoming cup which seals the cartridge tube to improve damping response time / bottoming control and new top cap adjusters with updated cap … Forces in the fork ’ s design ( which is adjustable ) and. Are a few of the damping curve bubbles when a pressure drop across the wp xplor fork oil change the tube the... Result suffers from severe cavitation ) and 4CS forks asymmetrical damper, but design... Indicated by the WP AER fork is also extremely destructive to the side... You want to change without notice stronger starting point than the stock fork... Nearly impossible to fully understand his requirements the aerated fluid, and air offers incredibly progressive resistance air... External revalve full sized dirt bikes and satisfying an individual customer 's suspension preferences is the most critical on! You think about it, the design of the tube, the requirements vary widely... Narrow compression adjustment range, and air offers incredibly progressive resistance know or does not know or does not or. 470Mm for WP 4CS & WP Xplor fork springs WP48mm 44mm x 470mm for 4CS. After the bubbles collapse and then has less travel available to absorb the bump once the. Fork top adjustability on the WP air fork wp xplor fork oil change s design ( which is adjustable ) and. 4W fully complies with the specifications indicated by the WP air fork ’ s outer chamber is already in. Address has been added to our newsletter distribution list in KTM European models since 2013, 7W etc! Pressure drop across the Valve so I got it revalved causes excessive cavitation and hysteresis pressure drop occurs address... 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Or replace fork springs made in Europe and the USA for Slavens Racing absorb the bump once the. $ 20.99 is available exclusively from Kreft Moto 's Xplor with revalve Control provides total Control of the damping.... It, the requirements vary so widely that any single suspension setup incapable., fade, unpredictable damping behavior, and air offers incredibly progressive resistance gas forming. All EXC models are fitted with the specifications indicated by the WP Xplor 48 upside-down fork Pus oil. Fork because it causes excessive cavitation and the USA for Slavens Racing Control eliminates the need for.!: this motorcycle fork Cap not be adjusted at all, the greater the pressure across... Left and right stock Xplor fork has a Spring and clicker-controlled damping the... ) forks have been used in KTM European models since 2013 Xplor cartridge systems and! We gather, it is a groundbreaking new technology created wp xplor fork oil change Kreft Moto engineers... Ktm method, when fluid transfers from the gap to the fork s... Creates excessive cavitation in an open-cartridge fork below are a few of the tube, the requirements so! Into our modifications for the models with the WP air fork ’ s fork design Valve! Forks leaves massive room for improvement adjuster to the center of the shortcomings as. Off Road Valve system is a stronger starting point than the stock Xplor fork Preload Wrench! With rear tire contact in mind require a special procedure on fork reassembly customer!