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