Fork Oil Viscosity Chart

Owning two highly-tunable Foes. Oil is such a critical suspension tuning decision that is the first priority to get worked out after springsag choice. They use a special combination of synthetic base oils viscosity modifiers anti wear agents and extreme pressure additives to provide the highest level of performance whether it be competition or recreational usage.

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Fork oil viscosity table Discussion in Hermiston started by Wistrick Oct 6 2013.

Fork oil viscosity chart. Advanced Search Cancel Login Join. Viscosity cSt cSt 40C 100C 193 355 112 182 344 512. 10W the viscosity of the oil when measured at 0 degrees Fahrenheit the W means winter grade 30 the viscosity of the oil when measured at 212 degrees Fahrenheit.

Technosynthese 5 100 Synthetic 4 Viscosity. 5w 2 10w 2 20w 1 15w 1 75W 1 25W 1 MOTUL FORK OIL EXPERT HEAVY 20W. Fork oil weights The real story.

Here is that chart I telling Paul about breakfast. They are compatible with. New susp oil chartxls Author.

Found this chart thought it may shed some light on the fork oil mystery. Specially designed for any type of fork. Besides just the raw viscosity data there are other considerations to make when selecting a fork oil.

Clicky DO NOT GO BY LABLED OIL WEIGHT. Meaning it can have a viscosity of 38 or 39 or 40 or 41 or anything above 38 and this is exactly the case and X branded 5W fork oil will have different viscosity than a Y branded 5W fork oil. Dark Mode Menu Log in Register.

Shock and Fork Fluid Shoot-Out 0 20 40 60 80 100 120 140 160 141 1412 12. 15 rows The choice in fork oils is mind boggling. Therefore it will flow freely at temperatures as low as -20 degrees Fahrenheit.

Oct 6 2013 1. Current Fluid Bardahl Fork Oil 5w Bardahl Fork Oil 10w Bel-Ray HVI 3w Bel-Ray HVI5w Bel-Ray HVI 10w Bel-Ray HVI 15w Bel-Ray Fork 5w Bel-Ray Fork 7w Bel-Ray Fork 10w Bel-Ray Fork 15w Bel-Ray Fork 20w Bel-Ray Fork 30w Bilstein Shock Oil stock. Some say type E is equivalent to 10W some say its equivalent to 15W.

Joined Feb 9 2004 1355 Posts 2 Mar 10 2008. Only show this user. Penrite MC Fork Oils are a full synthetic very high viscosity index fluids designed for motorcycle forks and other suspension systems.

MOTUL FORK OIL EXPERT LIGHT 5W. 9212004 50101 PM. In other words SAE 10W-30 has a base rating of 10 when cold.

Not only is this a poor way to decide which oil to use but each manufacturer seems to be on a different scale. The MoCo specifies HD Type B or E and respective equivalents fork oil depending on year model. If anyone has any additional oil specification data please pass it along and Ill add it to the chart.

Red Line Suspension Fluid Fork Oil Cross Reference. An oil of viscosity 38 and a different oil of viscosity say 40 can both be branded under same weight category ie. Chart of fork oil viscosity.

HD doesnt divulge the highly classified weight of their fork oil. 1186 95 82 104 673 89 649 89 209 667 2075 76 592 137 519 72 473 1676 4727 7 38 58 374 738 3548 1022 3455 56 335 525 261 99 216 44 216 62 205 382 169 377 1649 345 345 1506 1457 41 126 44 103 19 92 VISC. Motul provides a large viscosity grade range to cater to every application and rider preference.

5W and in terms of performance they both will be. Craig Kelly is my copilotProduct Marketing and Product Photographer. 180 rows But due to the international SAE standard being so loose one oil companys 5Wt.

The oil in a bikes fork or shock not only cools and lubricates the system but is the heart of all the damping control available for the springs. HD Compared to Redline. In this thread in this sub-forum in the entire site.

Shock. Castrol Fork Oil 20 wt Brand Viscosity cSt 40C 100C. Even one oil brand can have many choices.

This table is sorted by real viscosity. All phases of the damping involve the viscosity of the oil used in the system. Front forks as opposed to rear shocks do not produce a lot of heat so the viscosity to focus on for fork oil is the kinematic viscosity at 40C and although a high viscosity index is good it is not critical since they will not normally reach temperatures higher than 40ºC.

For example Maxima RSF 7wt is. Fork Oil Viscosity Charts. Viscosity Index VI Silkolene Fork Oil 5wt 5 223 44 106 107 Motul Fork Oil Factory Line Medium 5-10 75 223 62 254 253 Elf Moto Fork OIL SYN 5 5 233 48 130 129 PJ1 Fork Tuner 25wt 25 261 49 111 Spectro Golden Spectro Cartridge Fork Fluid 125150 261 525 150 135 Spectro Golden Very Light 264 99 400 397 Maxima Racing Fork Fluid 125150.