Regardless of personal preference on compression stiffness and rebound speed, both ends must be balanced and work together. Travel. Soft terrain usually requires more . Step 3: Back out the compression and rebound adjusters all the way out. Summary This is just a "Base Setting" , so you have a baseline where to move it to/from , its just a reference point to start out , then you adjust from there to where the bike works good , the rebound controls the shock shaft speed when it extends and reacts to certain impacts on the track/trail , so 2 clicks . Rebound set at the 5 or 6 on rebound. Setting the rebound on the front fork is similar, but not as straight forward. Step 3 - Change the Shock Spring. Final Thought. The RUST set-up in a nutshell. Take your time and follow the video closely to get the job done right. 8.0 in./203mm. Rebound Damping: The rebound adjustment controls the speed at which your fork or shock returns to natural position. Compression damping is on the bottom of the forks hidden by the rubber stopper to keep the dirt out. There's a lot more women to look at!-WB. Much like a compression circuit, rebound damping relies on. . Features/Adjustments . I.e. Dirt Rider Staff If you are running in deep sand, your compression and rebound settings should be stiff to ensure you don't get bogged down.. Adjusting the sag usually requires the use of a hammer and punch. 249.9 cm³, 1-cylinder, 4-stroke engine. G395D & GX39RR1 - Right rear slick tracks. Compression set at 3 or 4 on compression. This dirt bike is a 1997 Honda CR250. For another example, adjust your front compression and rebound. How to Set Sag on a E-Mountain Bike. These resources are just a starting point, feel free to adjust for personal preference and ride style. Start with your bike on a stand that puts zero weight on the wheels. However, it will make your handling quicker but slower the speed if you lessen your bike sag. So just chill down and do one adjustment at a time. How much sag is 130mm fork? The final step is to set the compression and rebound clickers to their original settings. (Non-square edged bumps); More low speed compression and rebound are necessary. Hit the braking bumps, and here it should feel like it hops and is fairly loose in the rear. For more Dirt Bike Tech Tips, visit our Dirt Bike Maintenance page. Increase fork rebound, fork oil level or compression damping. Seat the clickers using a screwdriver, then back them out the same number of clicks noted earlier. Race SAG is the amount the bike droops with the rider on the bike. Pro Class . Make changes to your clickers 1-2 "clicks" at a time and one adjustment at a time (rebound or compression). However, take in mind that that's my preference for off-road riding . 4) Find a corner with acceleration bumps, rocks, or roots on the exit. Dial in your dirt bike shock by changing your rebound and compression damping for your riding style. Me: 180 lb mostly desert riding. Dirt Bike Forks. You can also run your front end higher (drop your fork height) and the rear end lower (higher sag number) if possible for stability, to combat any twitchiness your bike may have. Rebound is the down stroke. Keep the total percentage 33% (sag), and it indicates 95 to 115mm. Measure the distance in millimeters from the rear axle bolt directly upward to any point on the bike body, and mark this point with a pen. (Turn clicker out) SettinG the . I've tried pretty much everything with my Pike and the way to go is fairly stiff on air (about 18-20% sag weighting the fork in attack position) with enough tokens to prevent bottoming. Similar Threads for: fork rebound setting: Thread: Thread Starter: Forum: Replies: Last Post: 99 kx250 Fork rebound and compression settings: cdm61093: 2-Stroke Dirt Bikes - Kawasaki: 1: 04-22-2010 02:05 PM: rebound adjustment: tchui: Dirt Bike Suspension Tuning: 8: 07-17-2008 03:39 PM: CR125 Fork, rebound valve spring: drajasingam: Dirt Bike . Changing compression/rebound on the fork and shock at the same time can confuse you as to what setting is actually improving your machine. Dirt bike fork seals can leak for a few reasons, including bad bushings, which will cause the lower fork leg to move and cause an oil leak; dirt or debris breaching the seal; or a rock chip or nick in the lower fork tube sliding past and ripping the seal. If the rear of your bike kicks to the side, the cause can be that it's too stiff of a rebound setting or too stiff of a compression setting. By:Bruce Triplett. Create a suspension log that notes your air pressure, rebound and compression settings as well as your maintenance intervals. HUSQVARNA FC450 The 2014 Husqvarna FC450 is a brand new bike compared to the 2013 model. I have spent 15 years dealing with susp on dirt bikes and mtn bikes. Race Tech Digital Valving Search. Rear suspension SAG is approximately 30% - 33%, the front SAG is around 25% - 30% of the total suspension travel. SOLUTION Increase both rebound or compression, drop forks through clamps to increase steering angle. Ride over a sidewalk curb ( ie. For example, set sag on your front forks. Each click can be heard and felt, but it's a very soft click, so pay careful attention when turning the clicker screw. Rebound damping controls the return of the wheel after a compression. You should see the letters C and R accompanied by arrows somewhere on your shock and forks - if you don't, chances are these settings can't be adjusted on your hardware. Rebound damping is on the top center of the forks. 12C -- 10R. Again, try one adjustment at a time. Now, back to dirt bikes. Opposite if you want to loosen it. For yet another example, set sag on your rear forks. The firmer settings commonly used on the tract are generally not recommended (or desirable) for road work. Reset the Compression and Rebound Clickers. Suspension set up is often seen as a daunting task for many riders because it seems like there are so many different aspects and variables involved in a correctly set up suspension. Once you have set your shock to the recommended settings, go ride the bike. Once the rebound is set properly, the compression damping can be fine . When riding about a trail or track, your lower low-speed movements are usually encountered on smooth bumps and jumps. of rebound and as the track gets rough, add compression 1-4 clicks. Inspect the entire exterior of your fork. Setting the sag on the rear shock. Rear Access Code: Compression Balance: The front spring and compression setting must coordinate with the rear spring and compression setting. Step 6: Remove the fork cap. Stiffer here, and your suspension is slower to extend after absorbing a bump. Tools The more compression damping you use, the firmer the shock or fork will feel. Step 4: use a flat tip screw driver and carefully remove the wiper from the fork and slide it all the way down. You can either use the factory . So just chill down and do one adjustment at a time. Now you know how to rebuild dirt bike forks. Kreft Moto is a suspension engineering company specializing in WP equipped KTM, Husqvarna and now Gas Gas motorcycles. In this video we go over the terms you'll hear in relation to suspension, and then we'll give you some tips on getting your bike adjusted and ready for anything . The position the suspension sits in relation to the top of the stroke is called sag. Measure the distance in millimeters from the rear axle bolt directly upward to any point on the bike body, and mark this point with a pen. Lack of traction (wheel spin) on acceleration bumps can usually be improved by softening the low-speed compression on the shock or speeding up the rebound, so the . The cone meets the ports of the rebound piston and is backed by a coil spring. The rear of the motorcycle should follow the ground. The rebound setting is not affected when you make adjustments to compression. It is a. bit simpler than compression damping, as typically it is only working against the. Don't get bogged down in trying to fix too much at one time. Factory FIT RC2; 203; Kashima Coated upper tubes, 1-1/8" straight steerer, rebound, low-speed compression, high-speed compression, air spring pressure.. If your bike has experienced a drastic change in altitude, the lowers can have air built up inside. Jul 16, 2015. For bikes with 120mm of front suspension travel, you want around 40mm of rider sag . STEP 15: RIDE THE BIKE TO TEST THE COMPRESSION FIRST. Most forks or shocks will have about 15-25 "clicks". If the front forks are too soft and plow through a whoop, but the rear end rides up over it, the . This is the compression adjuster. Rebound is the opposite. Step 6 - New Seat. Husqvarna FC 250 is another excellent motocross for adults from Husqvarna. First, start with the front tire and make sure it's inflated at a decent amount. . Rebound at the front is 6 clicks out from seated (in 1 click from stock). Set the compression softer, (Turn clicker out) front and rear to help get maximum wheel contact and plushness. Front Access Code: - - -. Compression set at 4 or 5 on compression. Standard damping settings worked best for mixed terrain of woods and open field test: Fork: preload: 2 turns, compression: 20 clicks, rebound 18 clicks. The shock is usually around fifteen clicks also. Step by Step Guidance to set up Dirt Bikes for Suspension! For bikes with 120mm of front suspension travel, you want around 40mm of rider sag . The first step that you have to take for setting up and tuning your dirt bike suspension is the dirt bike forks. G395D & GX39LR1 - Left rear tacky hooked up and fast tracks. How important is setting sag on dirt bike? Compression is the up stroke of the suspension. SOLUTION A quick tip, I always keep my tires inflated to 13-14 psi. The RM-Z250 has the most significant changes, which include a new frame, a new KYB air fork and a three-mode launch control, which Suzuki calls S-HAC. **If you have both Front Access and Front Rebound codes, please fill out codes for both at the same time. If the bike is kicking too much in the rear. However, and this is when . Most 125cc bikes are set up from the factory for about a 150 pound rider, and most 250cc bikes are set up for about a 180 pound rider. Set sag on front forks. Again, try one adjustment at a time. ATM! Introduction. Compression controls how quickly the spring compresses; rebound controls how fast it expands again. High/low-speed compression. Damping is the product of compression and rebound. PROBLEM Bike turns too swiftly. Compression damping, like the name implies, controls how much damping is on the compression stroke. From here, the rear shock should feel like it's absorbing the take-off smoothly. I found that many riders out there have a completely "wrong" rebound setting on the rear shocks. Setting it up for your style If your bike still has stock suspension and it's not extremely worn out, then the stock springs are usually set up for about a 130-165lb rider for motocross. . Usually you set these by feel, and fine tune by reading your tires. To reset, turn in (clockwise) until it stops and then count clicks or, turns out, counter-clockwise. By Ron Lawson on June 15, 2015. . When you decrease compression damping by turning the adjustment knob counter-clockwise, you allow the shock to compress faster. Dirt Bike Forks. A primary function of rebound is keeping your wheel on the ground. The more rebound damping you use, the slower the fork or shock will return to its natural position. It has 4 stroke engine with 1 cylinder and 249.9 cc, which make this model great for beginners and also for experienced riders. From here you want to adjust the rebound damping by reducing it, which means turning the clicker out resulting in faster rebound. For example, set sag on your front forks. On hard pack dirt it is better to adjust the rebound and compression to a softer setting while still maintaining control and bottoming resistance. Finding The Standard Setting First, start with the front tire and make sure it's inflated at a decent amount. But . Now put the bike on the ground, with no rider or gear on it, and measure between the same two points. Dirt Bike Suspension Setup. The first thing we'll look at is the high-speed compression adjuster. If your bike still has stock suspension and it's not extremely worn out, then the stock springs are usually set up for about a 130-165lb rider for . Adjusting Rear Shock. The Cone Valve fork is a very high-end system that uses quality components and a unique "cone valve" mid-valve to control compression damping. The position the suspension sits in relation to the top of the stroke is called sag. If the rear of your bike kicks to the side, the cause can be that it's too stiff of a rebound setting or too stiff of a compression setting. Step 5 - Set the Handlebars. After watching the videos please use the Suspension Set Up Matrix with suggested settings for Rebound, Compression, and Air pressures for both the fork and shock. I seem to find that Japanese bikes come with too much compression (harsh on sharp bumps) and too little rebound (wallowing, unsettled feeling). As I'm sure you know, your low and high-speed settings on your shock only effect compression. . Fill out a detailed list of your settings. (Turn clicker out) (If this fails soften the compression two clicks.) This cup-and-cone system is different from the shim system used in nearly every fork on current dirt bikes. Now turn the adjuster to the setting you looked up in the owners. write your base settings on the fork and shock for both compression and rebound-i.e. High/low-speed compression. 20 thru axle system, post style disc brake mounting . Step 2 - Set the Sag. If the rear-end bounces or kicks up, then it needs increased rebound, so turn the clicker to make it slower. Rebound set at the 4 or 5 on rebound. I would be rebuilding the original forks, but the rebound clickers broke off on both forks, and replacement fork cap assemblies are hard to find and way too expensive. Save. Seat the clickers using a screwdriver, then back them out the same number of clicks noted earlier. The shock is usually around fifteen clicks also. Standard fork springs are 4.2N/mm, we needed 4.4N/mm. Alternatively, if you wind the clicker out (anti clockwise) the fork will soften. It feels softer and more supple. Front: . Standard shock spring is 69N/mm, we needed 72N/mm. Static SAG refers to the amount the vehicle settles with no rider. Run minimal compression dampening for plush ride. A complete turn can change sag 3mm. FAQ. This means Low-Speed Rebound Damping can be set for excellent traction while keeping the compression nice and firm. For road race bikes, rear sag is typically 25 to 30mm. Set sag on front forks. 2. Standard setting is in the middle. The first step that you have to take for setting up and tuning your dirt bike suspension is the dirt bike forks. Make sure that your fork is ready to ride. Turning up the rebound makes it push down faster. Step 4 - Change the Fork Spring. Number three shows where the rebound clicker is on the shock, and number four is where the compression clicker is. Rebound/Compression: Mr Bigglesworth: Dirt Bike Suspension Tuning: 7: 07-23-2003 11:06 PM: All . This affects how quickly or how slowly the shock works during compression, esp. Rebound adjuster: This can be different on some bikes but for mine, it's on the bottom of the shock. More here, and your suspension will be stiffer to absorb bumps. Suzuki has announced its 2016 line of off-road, MX and dual-sport bikes. The adjuster should only sit lightly in the seat when fully stiff, so turn it slowly, stopping as soon as you reach the end of adjustment. You have to be willing to test. The final step is to set the compression and rebound clickers to their original settings. Setting it up for your style. I'd like to hear what you ended up with as far as your compression and rebound front and back on a stock bike. 2. Use the end of a zip-tie and press it in past the seals to release this pressure. Setting Sag To get the best performance from your fork, it is necessary to set and adjust sag. To the best of my knowledge this is the most reproducible and easier method to tune the rebound of a shock. There is also preload which is the starting position of the suspension with the rider on the bike. 4-5 inch drop ) and adjust the rebound until you have only one bounce. stored energy of the spring, so . Each click is about ¼-½ revolution of the screw. . The two tools work best after loosening the shock spring lock ring. Street riders usually use 30 to 35mm. Much like a compression circuit, rebound damping relies on oil moving through a circuit to regulate the speed at which the suspension extends after being compressed. . Sag means difference. Using an open ended spanner, turn the nut clockwise or anti-clockwise to make changes (it makes no clicking noise). Suspension set up is often seen as a daunting task for many riders because it seems like there are so many different aspects and variables involved in a corr. Changing compression and rebound on the fork and shock at the same time can confuse you as to what setting is actually improving your machine. Rebound test scenario 2: For test scenario two, you'll want to find a jump that sends you pretty well - it doesn't need to be massive, but it needs to be a decent size. Strange Honda would set up the bike like that. Setup your bike's suspension step-by-step. Reset the compression and rebound clickers. First make sure the tire isn't springing off the obstical by going in 1 or 2 clicks on compression. Grab your screwdriver and . In this video, we show you how to rebuild dirt bike forks and change suspension fluid. 5. Fill out a detailed list of your settings. The 450 has fewer changes but the company reports that suspension and the S-HAC system has . A quick tip, I always keep my tires inflated to 13-14 psi. It feels stiffer and more supportive. Performance R; 203; anodized upper tubes, 1-1/8" straight steerer, rebound, coil spring preload.. Lower leg. Low-speed compression adjuster: Grab a flat screwdriver and look for the screw that's in the center of the bigger nut. The company claims to use a scientific approach and the latest suspension development technology staying focused on the bikes they know and ride. However, take in mind that that's my preference for off-road riding . For yet another example, set sag on your rear forks. I would start with stock rebound settings. Transmission. Compression set at 4 or 5 on compression. You have to experiment. Kreft did a full "kit" suspension upgrade to a set of standard forks and a . For another example, adjust your front compression and rebound. Shock Rebound: Turn your adjuster (IN), counting each click, until you reach the stop. WITH THE SUSPENSION DIALLED, YOU CAN USE THE BIKE'S POWER STRAIGHTS PROBLEM Bike bottoms out on larger bumps. Lack of traction (wheel spin) on acceleration bumps can usually be improved by softening the low-speed compression on the shock or speeding up the rebound, so the . There are no set rules. Starting with the forks, turn the rebound adjuster clockwise all the way to the stiffest (aka slowest) position, being careful not to over-tighten the adjuster. Dirt Rider Staff The same rules for your fork apply to your rear shock as well, and your. Though in some cases this is found on the bottom of the fork and the rebound is on the top - check your bike manual.If you wind the screw in towards the 'H' (clockwise) the downward action of the fork will harden. . Bikes set up for the track are compromise when ridden on the street. But, we didn't find any specific measurement. you want the shock to be able to absorb a hit, but not keep rebounding to cause you to lose control. That will depend on rider weight and fork travel (less travel = more tokens needed). by JimDirt » Thu Sep 17, 2015 5:55 pm. Step 1 - Adjust the Bike. Setup your bike's suspension step-by-step. If a bike jumps consistently with the front end high, try setting the shock rebound setting a couple clicks softer. This settling is about 6% - 10% of the total suspension travel. The '97 fork has a cap the screws onto the OUTSIDE of the compression unit (damper) and uses a set screw to keep the cap in place . In this video I will explain how to correctly tune your rebound damping for achieve a great stability & traction balance. section for sand set-up, as these rules don't apply for sand.) The reasonable adjustment should be about 95-115mm on the full size of the bike, but this usually depends on the rider preferences and the make of the bike. Rebound damping regulates the speed at which your fork or shock recovers, or bounces back, from an impact and returns to its full travel. Husqvarna FC 250 2022 specifications: Engine type. Start by adding 1-2 clicks (Turn clicker in.) when absorbing big hits or heavy landings. If the rear end "breaks up", reduce the rebound. You can change the sag using a simple hammer. There's one good thing about getting older. Write this number down and don't lose it. Sand is soft so your suspension settings shouldn't be. #2 04-09-2004, 11:40 AM Faded. Rebound, rebound damping — Rebound is the opposite of compression, in that it controls how quickly the suspension returns (rebounds) to its natural state. Front Rebound Code: - - -. Step 5: Using a pick or small flat tip screw driver remove retainer clip. Bounce lightly to measure the compression distance. Start with your bike on a stand that puts zero weight on the wheels. Rear rebound is set a 1 turn out from seated which is 1/2 turn in from the punch mark on the shock. Suspension: 97kg rider meant heavier springs require. Now put the bike on the ground, with no rider or gear on it, and measure between the same two points. When you increase compression damping by turning the adjustment knob clockwise, you make the shock compress slower. Number three shows where the rebound clicker is on the shock, and number four is where the compression clicker is. Make changes to your clickers 1-2 "clicks" at a time and one adjustment at a time (rebound or compression). Compression damping is on the kickstand side of the bike located at the top of the shock's remote reservoir. Rebound test scenario 1: The first testing scenario is finding a fast straight with braking bumps leading into the corner. Step 2: Remove the forks from the bike. This will kick the rear end up a little on the lip of the jump making the front . Check that your 20mm axle and pinch bolts are properly adjusted and tightened to 19 in-lb (2.1 Nm). Setting the sag on the rear shock. Rebound set at the 4 or 5 on rebound. If you want to tighten the suspension turn it clockwise. Definitions.
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