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. … All Categories; 2 Stroke Oil; 4 Stroke Engine Oil; Air Filter Oil; Chain Lube; Fork Oil; Gearbox Oil; Grease; Spray Lubricants; Filter by Brand . The service manual will give you an oil height level setting inside the fork leg, for super accuracy. Likes 2,397 Location Pennsylvania. All oil seals are supplied in pairs and available for most fitments. Step 7: SUCK IT UP. No sealing surface so minimum drop of pressure after valves opens, Unlimited opening up of WP Cone Valve so harshness reduced, No shims, therefore no loss of damping because of bent shims, You feel more confident and you have more comfort, You feel more grip traction of the rear wheel, you accelerate faster, Your bike rides higher in the stroke when navigating repeated bumps (no "packing down"), The TRAX technology is used by factory racing teams in Enduro, MX and Rally, The rider experiences much less physical strain, Increased control and a more comfortable driving experience, Individual adjustability of the rebound movement, More grip and traction of the rear wheel and therefore improved acceleration, SUPERTRAX is used by factory team riders in Enduro, MX and Rally, This is the damper for the most demanding track and street riders, The good ground contact makes you feel more confident, you can brake later and accelerate more quickly, Braking later and accelerating more quickly is not just important on a race track, it also improves your riding flow on nice curvy roads, This suspension puts your engine power where you want it - on the road, This damper is based on the big valve technology and ensures the best handling you could ever wish for, It can be fully adjusted and with its great adjustment potential, can be completely rebuilt and altered according to your requirements, Friction-optimized bushings and high quality seals. The quality of aftermarket suspension fluid is significantly higher than OEM quality due to the strict cost restrictions of suspension producers. Showa Fork Springs. Question is, why didnt they put the recommended KTM amount in them? Shock XACT PRO 7750. Got a set of 48mm WP AER forks… ( p.5) Technical data. Lightweight construction; More comfort when using harder set-ups; All adjustments made externally; No sealing surface so minimum drop of pressure after valves opens ; Unlimited opening up of WP Cone Valve so harshness reduced; No shims, therefore no loss of damping because of bent shims; HQ coating; read more. Tiger-G said: ↑ I'm going to mix some 10 & 15w to hopefully come up with 12w, which should be a good compromise. Once you ride the bike, there will always be oil between the inner/outer tube. Is there a guide on how to service the WP forks on my 2003 644 DS ? Is this a dumb question? Went in, removed 20ml oil and it got better but to soft, filled in 15 and ended -5 but the fork still felt really strange. This high-tech oil is a contributing factor in realizing the forks’ full performance potential. Does less oil … Oil type. View All; Cartridge Rod Assembly Cartridge Rod Bare Rebound Adjuster Rebound Adjuster Pushrod Rebound Base Tower / Post Rebound Piston Parts Fork Rebound / Balance Spring Fork Oil Lock / Spring Guide Parts Fork Cartridge Rod Jam Nut Suspension Shims & Bushes WP 4CS (Four Chamber) forks have been used in KTM European models since 2013. The air chamber is already there in the fork’s design (which is adjustable), and air offers incredibly progressive resistance. PRICE FOR A SINGLE PACK OF 1L (PRICE FOR ONLY ONE PACKAGE 1L) FEATURES: of telescopic forks Synthetic 4 viscosity grades: MEDIUM / LIGHT USE: Hydraulic fluid for competition forks. The oil is not readily available in north America so most just automatically switch you to 5wt which is fairly standard. snydes Moderator. Price. MOTORCYCLES MOTORCYCLES; NEW KTM MOTORCYCLES; KTM KIDS BIKES; KTM MX BIKES; KTM ENDURO BIKES; … For checking and adjusting the oil level on all conventional and upside down forks, the adjustable setting ring will measure oil levels from 0 to 300mm. There are a couple of WP videos on YouTube explaining this bleeding procedure -- one manual and the other one by pressurizing the fork with a high air pressure, I think 6 bars, IIRC. Tech recommend OJ Racing Fork oil Type 01 which has the following specs: Viscosity at 40º C --> 15.06 mm 2 /s (cSt) Viscosity at 100ºC --> 3.472 mm 2 /s (cSt) Index of viscosity (VI) --> 106. RM YouTube Channel. More Video Guides: ... Oil & Chemicals. Fork Oil Fork Oil Weight SAE 5 Fork Oil Level 120 mm Oil Quanity 2 Litres. Stroke outer tube to allow fluid to flow thru chrome tube bleed holes. Fork Spring Information Standard Preload 15 mm.