Unless you disassemble the fork and cartridges … I have tried looking on line too but never found anything that said how oil I needed. ATF is approximately 5W and replacing it with a heavier weight oil will stiffen up your front end. The manual recommends oil to 6.5" from the top with the spring out and the fork fully compressed. Best to contact Rich at Sonic Springs, a member here, to verify fork oil amount or better yet, the distance from the top of the tube to the oil surface. Finally, although imprecise, you can measure the amount of oil that came … For a better experience, please enable JavaScript in your browser before proceeding. A rider who weighs 140 needs softer springs than someone who weighs 200. Category: Motorcycle. Service your fork yourself with our how to video's We have oil levels for almost any fork model and year. By Dave Moss. Best to contact Rich at Sonic Springs, a member here, to verify fork oil amount or better yet, the distance from the top of the tube to the oil surface. Refer to your motorcycle’s manual to find out how much oil you need to pour, and how much distance you should keep between the oil and the forks. … Many modern forks contain only 5 or 10ml of oil for lubrication; but this is all it needs to keep the system running smooth. Clicking this will make more experts see the question and we will remind you when it gets answered. I have tried this on several bikes and had a go with 10w oil and found it still to be lacking. Posted by lechy86 on May 17, 2011. To do that, apply some thread lock on the bolt that you removed, and tighten it while compressing the fork to hold it in place. Ask Your Own Motorcycle Question. The shock oil has to protect the shock tubes, seals and valves from wear as they constantly rub together. Answered in 6 minutes by: 9/7/2009. Do you have any diagrams to help me with ? What type of fork oil and how much fork oil should I use in my CB450 / CL450 / CB500T? As a rough guide start with 700ml and pump up and down to expel air. This means you should change your fork oil at least as regularly as you do for your engine. Factory oem numbers are as follows: N model= 490ml fork oil S model= 488ml fork oil. August 31, 2012. 350 ml is too soft. Note this is with stock springs. per leg, CB450 / CL450 K3-K4: 225CC / 7.6 Oz. CB450 / CL450 K0-K2: 290CC / 9.8 Oz. Easiest thing is to drain the fluid out of each fork and measure...as Glider says adding two much CAN blow seals and make fork too stiff, but 1 or 2oz over what you take out would probably not be overfilling. It also must protect against wear and corrosion, two tasks at which water is notoriously bad. There is usually a wet specification (the amount needed for a quick change) and a dry specification (the amount needed after a complete fork leg rebuild). More Street-Savvy. How much fork oil do i need to put in each fork of my gsx 750 ef - Answered by a verified Motorcycle Mechanic We use cookies to give you the best possible experience on our website. Engine Fires on One Cylinder. Much more than flow, though. Come join the discussion about performance, modifications, racing, troubleshooting, maintenance, and more! Chris B. But the fork oil must do more than influence rebound and ride feel. Also i want them to be a bit stiffer what weight of oil do people recommend? We recommend a 10W (light rider) to 15W (heavy rider) motorcycle fork oil. i bought a set of used forks and i tore them down last night to put new seals and dust caps on. Factory spec on the fork oil is of premium quality ATF (automatic transmission fluid). What size tire inner tube do I need for my CB450 / CL450 / CB500T? You need to measure the level from the top with the fork fully compressed and the spring out. How much fork oil do i need in each tube on a2004 Fatboy. The forks will compress and rebound quicker with SAE5 than with a higher SAE. normally fork oil level is measured in millimeters not inches. Once that’s loose, you’ll need to jack the front up. You won't have to take the forks … Oil reading should be 1/2 way between the add/full marks on the dipstick (hot). The specified volume in the manual (right around 500ml in each side) is ONLY so you know how much to buy because you will never get everything out and if you go by volume, you'll overfill - which can lead to the fork hydro locking and you crashing. Customer Question. Motorcycle Tech, Motorcycle … Sent you a set of the instructions, use the levels and method of measuring in them. Is my Condenser Bad? Still, you can start from 400 ml and determine if it is too soft or stiff enough for you. how much oil should go into the front fork of my Hyosung cruise 2 ? ☰ Home; Suspension. Fork oil charts, shock IPF depth and pressure. Set the fork oil height at 100mm, then drain down to 120mm height and measure how many cc of oil drained in the 20mm difference. If you want to do it properly, pull the front wheel off, take the fork legs off, drain the oil, wash out with kerosine, leave to drain to get the kero out, reassemble and refill. oil level is set to the specified level by removing fork springs and allowing forks to gently bottom out, maximum travel. The 427cc & 430cc reference is the total capacity for each fork leg, not a very accurate/consistent way of filling a fork with new oil. Submitted: 11 years ago. Share this conversation. Some bikes require you to fill the legs and take a distance measurement from the top. per leg, CB450 K5 / CL450 K5-K6: 160cc / 5.4 Oz. How much fork oil goes in the forks of an 2001 FXD and how do I do this ?

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