rebound damping adjustment

High speed compression, low speed compression, and rebound damping forces are independently adjustable with the compression adjusters located on the reservoir head and the rebound adjuster located on the shaft-end. Too soft and the wheel moves too quickly and travels further up in the stroke causing it to leave the road surface. Your motorcycle's level of comfort, control and traction can be improved by properly adjusting your suspension's rebound damping. Changes to one can sometimes make the other feel different. Found inside – Page 74Once you have used the preload adjustment to get the desired rider sag , recheck the free sag . ... Set your rebound damping adjuster first . Budget to Premium Coilovers – Whats The Real Difference? Rebound damping helps the suspension return to the proper position, after a bump or other irregularity causes the fork to compress, in a smooth and controlled motion. The KW damping and valve technology, 3-way We offer optimally adjusted damping technology for each vehicle class and almost every application. If the rebound is set too stiff in relation to bump then a process called jacking down occurs. Too little will result in soft “chatters” of the wheel when it is fully loaded in a turn. If the new setting doesn’t improve these you are going the wrong direction. High-end forks take this even further by using pressurized air instead of springs and by controlling damping with oil (viscous damping). If double adjustable KONI's are used, adjust the bump damping in three click increments to control the amount and the rate at which your front end settles during gear change. This is awesome! In general, two (2) clicks each. The Fora platform includes forum software by XenForo, http://www.sportrider.com/tech/146_0006_susp_trouble/, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Hi Roberto, thanks for the comment. Option 2: Ohlins TTX - fully adjustable. Aug 28, 2017. Setting the damping should only be done after you have set sag where you are comfortable. Figure 2: The handy adjustment button. Found inside – Page 84Adjusting the suspension meant you were going to increase the shocks spring preload. ... Rebound damping adjustments are nearly as easy but unmarked. Usually this would be either the gas pressure, valve diameter or shim thickness. If it is occurring on corner entry then the question must be asked whether the front of the car is rolling excessively or not. When the car begins to roll in a smooth controllable motion without leaning excessively; this is the point at which the damper is set to optimum rebound. This valve is simply rotated clockwise to increase the bump force and is rotated anti-clockwise to set it to its softest setting. For excessive roll front bump compression should be increased to provide more resistance to the lateral loads acting upon the car for corner entry, helping to keep the car flat and stable. Found inside – Page 100adjustment capabilities , for both rebound and compression . which means ... shock absorbers offer spring preload adjustment , but not damping adjustment . Hi Cater, thanks for the comment. The process is the same but check your manual. Found inside – Page 339To decrease the rebound damping , turn the adjuster counterclockwise . The rebound damping adjustment setting should be adjusted to personal preference to ... The optimum bump setting for the car can be found anywhere in the adjustment range of the damper for any car. Please clear "pogo'ing feel" that I don't understand. A graph will then be plotted on the dyno with these settings installed. Engine : Liquid-cooled single cylinder 501cc engine with fuel injection and hydraulic clutch (6-speed) developed by Husqvarna. 110370000701. The rebound damping adjusts how quickly or slowly the fork/shock is able to rebound back to the natural state. Rebound damping prevents the shock from springing back too quickly. your rebound setting. The procedure is focused mainly upon the low speed damping as it is the low speed damping that determines corner entry/exit behavior as the car transfers its mass across the axle during the cornering process. Found inside – Page 98KOND 2 / Rebound or extension adjustment with pin - mount shock : For the square ... Moving the adjuster from left to right increases rebound damping , from ... Rebound Damping (1) is the adjuster knob on the shaft . Turning the adjuster in increases, or stiffens, the rebound damping. If you make the damper softer, it is less resistant to acceleration and therefore moves more easily. Come join the discussion about performance, modifications, troubleshooting, purchasing, reviews, accessories, maintenance, and more! Adjustment: Rebound as well as compression adjustment has its benefits however in this article we deal with rebound adjustment which is prevalent in adjustable shocks available in market. This gives the perception that the back is too fast. Both the rebound and compression cartridges in the suspension will have this 'needle and seat' arrangement. The crankshaft is often set to put the damper through its full range of movement. Under-steering. This is usually located at the bottom end of the damper. Presently, I'm only running 7 clicks of rebound at each end, with 5 clicks of low-speed and 8 clicks of high-speed compression. The ideal bump setting is achieved when side-hop (which is where the car bounces towards the outside of the corner) is removed when encountering bumps on a corner and when the ride is not overly stiff. I have a question for the definition of soft/stiff: is being “soft/stiff” based on driver feel or damper travel? The most common mistake made by people learning to tune suspension is to use too much rebound damping. If the answer is no then the front rebound settings should be increased. Oh, turn the rear rebound damping adjustment full counter clockwise, and do the push down hard test. Here's my reply from the "Is A Wee Strom Plush" thread: Nobody has mentioned the rebound damping adjustment on the rear shock. Turn your rebound knob to the closed position, clockwise until it stops. Maybe I should open this at a more technical-oriented forum ( :shock: ) but I am sure some of you can/will teach me also here. So you say that to fix understeer in corner exit you need to increase rebound stiffener. This is where, after hitting a bump and compressing the spring, the rebound is set too stiff to allow the spring to return to its full length before the next bump is encountered. The bike is plush and still well controlled. Joined: Sep 25, 2001 Oddometer: Retail price: $ 627.00 Making the correct changes with your clickers will make your bike handle better and give you a friendlier riding experience. The question that must be asked here is whether it is occurring through a high speed corner or a low speed corner. A series of bumps in succession, like acceleration hack, too much rebound damping does not allow the shock to return to absorb the next bump. Since this adjustment has one of the most significant impacts on the handling of . Further to this basic damping adjustment, more and more bikes are now coming with high-speed damping adjusters. Full hard is fully clockwise & full soft is fully counter-clockwise If the motorcycle feels unstable, loose and rather bouncy, then the rebound damping should be increased. The Kawasaki Concours 14 does not allow for separate damping of compression and rebound. Next the rebound settings, currently set to full soft need adjusting. Found inside – Page 18On some machines, this type of adjustment is limited because the tops of the ... You'll also want to increase rebound damping in the fork to compensate for ... Thanks in advance. Bump and rebound can both be adjusted based upon driver feedback once that base settings have been found. Choose a small drop to ride off slowly and focus on how the rear suspension springs back after impact. The two lines for full bump/rebound and minimum bump/rebound can be overlaid as well. Spring Preload - Release the ring nut (4) by means of the appropriate spanner. For shocks that feature both compression and rebound damping adjustment (Old Man Emu BP51, or Bilstein 8100), here are some behaviors that can be adapted according to preference. Use your air pressure to find your rebound setting. Repeat with damping full clockwise. To hard and the energy doesn’t dissipate in the springs and instead travels to the steering head and frame causing the bike to “pop” up and again the wheel leaves the ground. Rebound Adjustable Coilovers - The TVR-A Valve: For rebound damping adjustment, KW has developed the TVR-A, or "Twin Valve Rebound, Adjustable" valve. Found inside... coilover kit Variant 1, a Variant 2 with additional rebound damping adjustment or the famous Variant 3 with separate rebound and compression adjustment. Oversteer occurring in corner entry or a mid-corner situation can also be controlled by adjusting the dampers. “Less is more” is a great rule for setting rebound damping. Found inside – Page 51... with threeposition adjustable rebound damping in the righthand leg only ... a single airspring shock and a three-way rebounddamping adjustment that is ... This restricts the oil flow and adds more damping. The key is to get out there improve your bikes performance and allow you to ride longer with more comfort. Found inside – Page 651986 - on The shock on these models has both compression and rebound damping adjustments : 1. Compression damping adjustment : Perform the following : a . Don’t be scared of doing this. Andrew, Apr 21, 2010 #19. Generally, make adjustments in single clicks or half-turns. The fundamental categories of suspension geometry are: Ackermann Bump Steer Camber Camber Gain Caster Front View Swing Arm Fundamentals of Grip Instantaneous Centre King Pin Inclination Scrub Radius Toe Tyre Slip Angle There are more aspects to suspension geometry but the most influential are listed above and are the focus of this website. Though, typically, the high-speed adjusters are only found on the . Tuning suggestions are starting points. The KW variant 4 and the KW Clubsport 3-way use our leading racing technology, which enables independent adjustment of the rebound forces as well as the separate adjustment of the low-speed and high-speed compression. Hi gurus out there, I'm looking for some help. Found insideThe 8611 has independent compression and rebound damping adjustment with enough damping force to accommodate spring rates of 400800 lb/in. Found inside – Page 35... the shock body for setting compression and rebound damping, respectively. ... but rebound damping adjustment now is included along with spring preload. Too rapid of a movement or too slow of a reaction will cause the bike to handle poorly. Their sophisticated, versatile suspension offers countless combinations to find the handling that's right for you. This book will help you hone and perfect your suspension for high-performance street riding and track days. Rebound Damping. Write this down and you can always go back to it. If the new setting doesn’t give you more comfort, confidence, and control, it’s the wrong setting. damping, softer ride, but possible bottoming out). It utilizes an adjustment knob to offer 16 precise positions of adjustment that range from street comfort to maximum body control. Adjustments are there for you to "customize" your set up and feel on the track. You can distinguish between lowspeed- and highspeed-ad-justment Lowspeed-rebound: Adjustment for slow impulses Highspeed-rebound: Adjustment for fast impulses Rebound damping is the damping force absorbed by a shock which opposes suspension extension. The ability to tune both independently has made my tuning far better. The rebound settings are the part of the damper that control how fast the car rolls in and out of corners. Therefore, the car needs to be tested in order to fine tune the damper to get its optimum setting for any particular track and set up. Do you now how I can fix it? If the driver is complaining about understeer then first you must find out where in the corner this is taking place. Too slow and your shocks pack down. It does not limit the total amount of roll but the speed at which is rolls. Found inside – Page 166... fully adjustable 14 - position compression , and rebound damping . ... and Progressive's line gives you five - position rebound adjustment . Rebound damping will let that happen more slowly or more quickly. Wind the screw all the way in then wind it out 1 complete turn. Found inside – Page 44Only higher-end forks and shocks have compression-damping adjustment. ... Use bracketing for any adjustment: rebound, compression, or even pedaling platform ... Found inside – Page 58Adjustments compression and compression and compression and compression and rebound damping, rebound damping, rebound damping, rebound damping, ... Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Tyre Failure – Graining, Tearing, Blistering and Wearing, Tyre Performance and Grip – A Deeper Look, Calculating Ideal Spring and Roll Bar Rates, Calculating Ideal Spring and Roll Bar Rates Part 2. The main function of rebound damping is to control the extension of the fork or shock after it compresses over a bump--hence the term "rebound." (This is also called tension . All of the data above the horizontal line shows the bump forces and all below show the rebound forces. Damping Force Curve. If the screws are turned counter clockwise the fork/shock will return to the at rest position much quicker. If the answer to the first two is no but the last question is yes then you can increase the rear compression/bump rate. The rebound damping controls the transitional roll (lean) as when entering a turn. What if it doesn’t get any better? For shocks that feature both compression and rebound damping adjustment (Old Man Emu BP51, or Bilstein 8100), here Found inside – Page 127Now dial in the recommended compression damping and test again . ... slack off all adjustments to minimum , then bring in enough rebound damping to make the ... Only at the very high end of motorsport are damper internals altered track to track. It utilizes an adjustment knob to offer 16 precise positions of adjustment that range from street comfort to maximum body control. ADJUSTING rEBOUND DAMPING rebound damping allows you to adjust the speed with which the fork rebounds after it was compressed. #18. Too little rebound damping results in a pogo'ing feel. Repeat the test, each time reduce rebound damping by one click (-) and see how the shock starts to recover faster. The bumps are bigger and spaced farther apart so they require more rebound damping to minimize kick. Adjustment Procedure 26, 28, 30 Series. Too bad the Stroms don't come with fully adjustable suspension on both ends... Dear Gary: on my bike, the rebound damping screw is completely jam at full adjustment (all to the right, clock wise). The rebound adjustment is dependent on the air pressure setting. Setting rebound damping on your shock. adjustments that may be included on your RockShox suspension, as well as guide you through spring setup, damper adjustments and tuning, and air spring bottom out tuning. Why compression damping is a bit like a coffee filter. For adjustable dampers, the damper will be set to minimum bump and rebound settings before testing. This is desirable because it improves the rear suspension's sensitivity to small bumps and the tire's Make adjustments in increments of 1-3. When I was going through books and magazines it seems like the every author has a different definition of soft/stiff. The V-Strom shock rebound damper adjust has a range of about 2 1/4 turns. Found inside – Page 120... both spring preload adjustment and compression and rebound damping adjustment . The compression damping adjuster controls the rate at which the shock ... That means your suspension needs different damping rates at different times. Then turn it counter-clockwise to the number of clicks shown in the table below. Sadly these are common road hazards we deal with every day. Next the damper is set to maximum bump and rebound settings and tested again. This might be counting quarter turns from a mark, or from fully tight. If it is on corner exit then the front rebound must be increased and made slightly stiffer. Does the suspension bottom out or jam at any point during cornering. First, keeping in line with the rebound train of thought, the rebound on the front shock(s) could be too slow. Is it important or not that the adjustments are made on the adjustment screw's clicks, or can the screw be left in any position? Increasing the front rebound stiffness allows more control over the extension of the dampers and prevents them from returning too quickly which can unsettle the contact patch and cause understeer. Found inside – Page 50At the rear, the bike's single shock is adjustable for preload and for rebound damping, but the damping adjustment range is so small as to be infinitesimal. There are some bikes that have an adjustment relationship between rebound and compression. Found inside – Page 4111.0:1 . . . dohc, four valves per cylinder, shim adjustment . . . . . . . . . . . . . 6000 mi. ... 4.7 in. . . . . . rebound damping, spring preload . Found inside – Page 71Low - speed rebound damping is handled by large passages in the piston , and will have either a tapered needle or multi - orifice type of adjustment ... If the answer is yes then the front bump/compression settings should be increased. Rebound Damping. JavaScript is disabled. Shocks feature external adjustment 16-position knobs. Rebound Damping Adjustment. It may take trying various adjustments to find the settings that work best for each individual rider, bicycle, and trail condition. Your rebound damping adjustment is meant to give you comfort and control when you're moving over various kinds of terrain. Apr 22, 2020. Because the rebound damping adjustment was already almost totally open, a lighter rider with a lighter spring might struggle to get the fork to return fast enough. Many shocks and forks have the plus and minus on the adjuster to help you. The KW variant 4 and the KW Clubsport 3-way use our leading racing technology, which enables independent adjustment of the rebound forces as well as the separate adjustment of the low-speed and high-speed compression. Found inside – Page 104The first damping adjustment to make is rebound , as it has the greatest effect on your bike's handling . Try to dial in only as much as is necessary to ... Turn your adjuster, counting each click, until you reach the stop. Found inside – Page 49Though both the front and rear suspensions are tuneable, neither has the full complement of adjustments. The fork features 20 positions of rebound damping, ... Turn the rebound knob to the closed position (full clockwise) until it stops. Of course, I can't test this . OEM adjusters can make the ride better but lack the range to make the bike unrideable. The damping is unaffected by changing the spring preload, but you should also increase the rebound damping if you raise the spring preload. Rebound damping: Generally adjusted at the top of the fork using a flathead screwdriver or twist mechanism. Our engineers recommend values for rebound damping (Rx Tune) primarily based upon spring rate. The main function of rebound damping is to control the extension of the fork or shock after it compresses over a bump--hence the term "rebound." (This is also called tension . As the car exits the corner it begins to level, at this point it is important to control the rate at which the outside front damper returns to ride height, which the rebound stiffness does, so that the car is not shocked by exit forces. Our engineers recommend values for rebound damping (Rx Tune) primarily based upon spring rate. Rebound Damping - Work the ring nut (1) to set shock absorber rebound damping. Found inside – Page 1053... and completely isolated rebound and compression damping functions resulting in improved and predictable traction •Wide adjuster range; all adjustments ... Start by adding full rebound damping (+) to the shock. Therefore, the most common route is to set a damper to a softer high speed setting so it can absorb and handle the sudden undulations but still behave how you would like it to through the corners using the low speed as a fine tuning tool. With the rebound set at 7 1/2 sweeps out (1/2 sweep or 1 click from full soft) drive a lap to definitely feel what too little rebound damping feels like. Too little rebound damping force will cause a loose or disconnected feeling or, at the extreme, even instability of the motorcycle. LEAST AMOUNT OF REBOUND DAMPING, FORK REBOUNDS FASTEST MOST AMOUNT OF REBOUND DAMPING, FORK REBOUNDS SLOWEST CLOSED (CLOCKWISE) OPEN (COUNTER-CLOCKWISE) 9 8 7 6 5 4 3 2 1 . However when exiting the corner the front end of the car pops up and I imagine that with a slower front rebound the front wheels are pulled up together with the front end of the car and this would reduce front grip and thus induce understeer. Both rebound and compression forces can be adjusted independently via two easily accessible knobs. When making rebound changes, it's important to note whether the changes have a noticeable effect on compression damping too (how hard it is to compress). Just remember to write down your initial settings and you can always go back. Kayaba (KYB) Genuine Parts. The more rebound damping you add, the slower the wheel goes back down, and vice versa. Includes complete rebound adjuster bolt assembly - adjustment knobs . 9.80. Damping adjustments are made without removing the shock from your vehicle. Found inside – Page 15... the dual rear shocks offer air preload adjustment to fine-tune the ride. ... four-way rebound damping adjustment Wheelbase: 65.2 inches Brakes: Front: ... Front Fork Rebound Pushrod - YZ450F 18- & KX250F 20- & YZ250F 19-. When your rebound is set properly the bike will settle quickly after a bump, it won’t continue to bounce, and although you will feel the bump it will be smoother. Having too much rebound set on the car will cause an initial loss of lateral acceleration which will cause the car to understeer or oversteer on corner exit/ entry. For more compression damping, turn the compression ring to the right. This is a machine that fixes one end to a load cell (force measurer) and the other end to a crank shaft. Do I do the same procedure for high speed or is the high speed the procedure you do that with and the low speed is different now? Write this number down and don’t lose it. The average stock suspension adjusters only deal with low speed damping. Remember the goal is comfort, confidence, and control. Found inside – Page 92A. Too much compression damping adjustment HS and LS B. Too much compression damping internally HS C. Spring rate too stiff D. Too much low - speed rebound ... It is important not to use the damper to control roll or bottoming of the car, this is instead done with spring rates, anti-roll bars and ride height. This is where you will start your testing. The shock absorber may or may not have a rebound damping adjustment, depending on the machine. Do I still follow the same adjusting procedure? Higher air pressure requires more rebound damping and lower air pressure will require less rebound damping, so please adjust accordingly. Spring Preload - Release the ring nut (4) by means of the appropriate spanner. If the car is rolling excessively on corner entry wouldn’t you decrease rebound to help with the roll not increase it? A couple pieces of advice before you even start making adjustments. If it is in a mid to low speed corner then a series of questions must be asked: If the answer to all the above questions is no then you can either increase the rear rebound rate, or you can reduce the rear compression/bump rate. Rebound damping is adjustab. There will be one on each leg and as with preload, adjust them equally and in tandem. Rebound Damping (1) is the adjuster knob on the shaft . Found inside – Page 80Setting up the fork on each bike Shock/Rear Suspension for the Pros but about right ... compression. and the rebound damping has a ZZ-position adjustment. Begin by turning the adjustment screw 1/4 turn clockwise. Compression damping is achieved with fluid, usually oil. The rebound settings are the part of the damper that control how fast the car rolls in and out of corners. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Rebound Damping . This model has adjustable rebound (22 clicks) as well as compression damping. Making the correct changes with your clickers will make your bike handle better and give you a friendlier riding experience. I am going to describe a clicker style adjuster. You can distinguish between lowspeed- and highspeed-ad-justment Lowspeed-rebound: Adjustment for slow impulses Highspeed-rebound: Adjustment for fast impulses The adjuster is at the bottom . Rebound damping adjustments (typically a red knob or gold for Öhlins) are controlling the rate that the spring is allowed to return to the original sag position. If you get a kicking sensation, slow the rebound. You can essentially fine-tune the shock piston performance by adjusting the compression and rebound damping. If the rebound is set too stiff in relation to bump then a process called jacking down occurs. Adjusting your rear rebound. Which I read make the front rebound slower. Is my understanding correct? Compression damping attempts to keep the wheel from leaving the road when going over a bump. So what should it feel like? Advanced users, however, may want to deviate from these recommendations based on terrain . But if the bike packs down over undulations in a corner or feels harsh over bumps, reducing the rear rebound damping could help, too. Found inside – Page 84Adjusting the suspension meant you were going to increase the shock's spring preload ... Rebound damping knob at bottom of shaft can r easily adjusted to 40 ... At this stage the bump can be backed off by two clicks. If double adjustable KONI's are used, adjust the bump damping in three click increments to control the amount and the rate at which your front end settles during gear change. Bump damping controls the un-sprung weight of the car, which is the wheel and upright assembly and the coil spring. The method to set up the rebound setting on the damper is to make sure the rebound is still set to full soft. In this case the damper is relatively easy to make adjustments to. Found inside – Page 46External damping adjustments can never make up for extremely worn out dampers. ... 9eIV\UK +HTWPUg Changes in rebound damping affect traction. Next, drive the car around the circuit with these settings installed, increasing the pace slightly each lap. My understanding is that some of the Showa forks have a real rebound damping circuit with the flow adjustment needle sitting on top of the rebound shim stack, and others have a crappy rebound circuit with the rebound flow adjustment needle in the fork top cap.

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