how much sag on rear shock dirt bike


Static sag should be about 1/3 of race sag, so about 1 1/8 inches. Yamaha TT-R125LE with a seat height of 31.7. Dirt bike forks are the first course of attack for setting up and tuning your dirt bike suspension.

Now subtract that number from your un-sagged eye-to-eye measurement. Race sag is measured when the rider is sitting with all of his weight on the bike, while free sag is measured when the bike is stationary on the ground without any weight on it. AS A RULE OF THUMB, FOR BIG BIKES STATIC SAG SHOULD BE BETWEEN 30mm AND 40mm. A good rule of thumb is to aim for 30mm for street use, and 25mm for track use. Mark the reference point on the rear fender so you'll always measure from that exact same point. Look up the procedure for setting sag if you're not familiar with it.

Kawasaki KLX110 with a seat height of 26.8 (16 inch rear wheel) Kawasaki KLX140G with a seat height of 33.9. Free sag - the amount of sag of the bike under its own weight. Tighten or loosen the spring pre-load adjustment collars to obtain proper sag.

For most dirt bikes, a rule of thumb is around 100mm, but you should check your manual for the recommended figure. usually rear shocks run 100-200psi, but fork psi varies a lot, depending on the design. Lexia-3 Lexia3 V48 XS Evolution for Citroen/Peugeot Diagnostic PP2000 V25 updates with free Diagbox V7 I think it's time for a quality shock like a Fox or comparable Dirt Bike Parts- Drive/Gear Ratios: Replacing chain and sprocket (3:36) Dirt bike Air Filter Cleaning & Maintenance (5:35) Dirt bike: change tube/tire on Yamaha WR450(5:43) Dirt bike . Again, keep in mind you may want more or less sag depending on your bike, weight, and riding preferences. XR650R how much rear shock sag? Average rider (hoping to get better) Need to know rear sag . He is racing MX (beginner class) About 90 lbs with gear. As an Amazon Associate DirtBikePlanet.com earns from qualifying purchases. Static SAG refers to the amount the vehicle settles with no rider.

Dirt Bike Forks. Lowering By Adjusting Shock Pre-Load/Sag. This settling is about 6% - 10% of the total suspension travel. The .

Dirt Bike Discussions By Brand. Suspension built for every type of motocross bike. Member. Rear compression adjustment is usually a small screw on the rear shock body, and fork compression will be a small screw on the fork cap or inside the lugs. New (12) from $35.96 & FREE Shipping. You will need to subtract the smaller (shorter) number from the bigger (longer) measurement For example If you have 600mm free sag Then when the rider is on the bike it's 500mm. 9. I did my yamaha in about an hour and a half (wr450) took my time. Motion Pro Shock Spanner Punch $19.99 Trackside Steel MX Box Stand $49.99 XTrig Pre-Load Adjuster FROM $178.95 Basic dirt bike suspension terms I'll introduce you to a suspension pro in a minute, but first, let's establish some key suspension vocabulary and basics. Carefully dismount the bike without bouncing the shocks Tel : 951-245-2660 Fax : 951-245-2622 From 8 It will explain all that you will need to know about dirt bikes servicing your suspension and the complete That's not a cheap shock to buy but i'm afraid it's blown or bent 5 inch ground clearance Aftermarket performance parts can bring your . How do I stiffen my dirt bike suspension?

Subtract the measurement of you on the bike from that first measurement of bike sitting on the stand. First, climb on the bike and get in your riding position. Rider sag, or race sag, is the amount the suspension . Compact design, it does not take much space in your tool box. FRONT END SAG. A zero-preload spring rate is determined, then preload is applied to calculate the corresponding sag. Clamp anywhere on side panels, rear fender or sub frames, to measure suspension sag. For the rear shock - 20% - 30% sag is recommended. Guest hosts Iain and Eric from Touratech-USA demonstrate the correct way to set race sag, and explain why proper sag is . 13716 Bellamy Brothers Blvd. From MX, SX or Enduro and Offroad, SIX12 Suspension offers it all.

May 09, 2015 #3. You want to set preload to get the correct amount of race sag. 360 and No.361. Ideal rider sag can range from 25mm to 40mm or more, depending on the bike and how you intend to use it. For this bike, the calculation would be 57mm x 0.28, which equals 16mm.

Dade City, FL 33525 USA. Get the sag around 25% (maybe slightly less sag . Try it and see. The prices vary between $120 for an electric dirt bike for kids to around $1,500 for the most expensive models High grade materials and a durable titanium finish to Rear suspension: Double sided swing-arm with two hydraulic spring shock absorbers, 7x adjustable This model, the Apollo DB-X6 is a mid-sized automatic dirt bike powered by an air . All the way soft the spring length is 10", assuming you're on the .

Set the Sag To calculate your sag percentage, divide the static travel by the total length of the shock and multiply by 100.

How important is setting sag on dirt bike?

I have tried to set up the rear shock for my weight (100kg/220lbs) and even at 350psi (which is the max psi) and it still sits at 40% sag. . For the front fork- 10% sag is recommended. Lowering your dirt bike is easy by adjusting the shock pre-load, but I would not suggest this to be the first way to lower the suspension, even though it's simple and can lower the bike close to 2 inches. You can change the sag using a simple hammer. Stay safe stay upright. Lowering By Adjusting Shock Pre-Load/Sag. usually rear shocks run 100-200psi, but fork psi varies a lot, depending on the design. This calculation would be 200mm - 16mm which equals 184mm. Suzuki DR-Z125L with a seat height of 32.0. A quick tip, I always keep my tires inflated to 13-14 psi. Mark the reference point on the rear fender so you'll always measure from that exact same point. Nov 5, 2001 9 0. 25% initial sag is good so whatever pressure you need to get that is fine. If you feel a head-shaking problem, be aware of the fork oil. Setting Rider Sag. Leave the settings as received for at least 1/2 hour. In our sample, it would be 630mm - 600mm = 30mm. Static, or free sag is the amount the suspension compresses from fully unloaded under the bike's own weight and is very important on any bike except full suspension MTB where the bike weight is so much less than the rider's weight, the suspension does not compress under the bikes weight. Ideal rider sag can range from 25mm to 40mm or more, depending on the bike and how you intend to use it. Kid is move'n up from the 65 to the 85. Now, in this section, you will know the most common problems and solutions-. The preload should be adjusted to give you the right sag for your weight with gear on, without regard to height. For the damping (on the bottom of the shock on the exhaust side), there is a black plastic cover that slips off.

Very useful information about how to dail in and adjust the suspension to your trials bike which covers modern and twinshock bikes and too rear suspension (shocks) and front suspension (forks). Dirt Bike Brands - Other. Then, grab the clutch lever and gas tank with one hand and grab the handlebars with the other. Alter The Rear Shock Settings - And Feel The Difference! Having that measurement allows us to subtract the 2.6 inches (30 percent of 8.7 inches) that we want the bike to drop giving us 20.5 inches. 9. 2- On a dirt bike put the rider on the bike in full gear (yes, I know the guy in the picture isn't wearing his) . The sag amount is adjusted by adding or removing spring preload front and rear.

Static sag - the amount of sag with the rider and gear on board. Fox's Fitzsimmons says "If you race or ride at a faster pace, sag should be set up 15-20% on the fork and 20-25% on the shock. . Measure front and rear suspension sag easily with this kit. KTM stuck with the PDS system exclusively on all its dirt bikes until the 2011 SX-F and XC models. I used the borderline on my rear number plate. Wrap the top of the ruler with tape and with the sag setting tool in the axle, mark a reference point on the rear fender with the bike on its stand. The first step that you have to take for setting up and tuning your dirt bike suspension is the dirt bike forks.

Use the preload bolt to adjust your static sag. From my knowledge, riding FR, the . The sag amount is adjusted by adding or removing spring preload front and rear. This will give you a good idea of how much pressure is on the suspension when you're on the bike. 2. Usually 1 complete turn changes the sag by about 3mm.

The sag amount is adjusted by adding or removing spring preload front and rear. you should run less sag and a correspondingly higher spring rate. This is your race sag. For example,. But, like the front forks, changes should be made one at a time to gain an accurate understanding of how they affect the bike.

Back in 1996 KTM's off-road bikes had linkage connecting the rear shock to the swingarm, just like everyone else's. Then came the 1997 Jackpiner. Allows you to measure suspension sag by yourself easily Compact design, it does not take much space in your tool box Measure front and rear suspension sag easily with this kit Clamp comes with rubber and will not damage your plastic fenders or side panels Clamp anywhere on side panels, rear fender or sub frames, to measure suspension sag . This measurement is L1. Search: Dirt Bike Rear Shock Rebuild Cost. Rear Suspension Set-Up. 9.

Re: Does adjusting the rear preload adjust ride height at al. That would be 3.4 inches. Location: Huntsville, Tx.

With a 170-pound rider, this works . Use a stand to put your bike and measure the distance with the rear axle. On most machines this is the large anodized nut on the top of the forks, and the collar above the spring on the rear shock. For a good starting point, I always start at 1/3 of the travel for "Race Sag". Re-measure the rear shock sag to insure this critical adjustment is still 4 inches. For the front fork- 10% sag is recommended. Setting marks at common sag settings.

Look for a number between 95mm and 115mm, or about 33% of the rear end's total possible travel. Bounce lightly to measure the compression distance. You'll want to know these words. Get the sag around 25% (maybe slightly less sag . . 16 mins ago - Dirt Jump Bikes. Your personal sag and front-to-rear sag bias will depend on chassis geometry, track or road conditions, tire selection and rider weight and riding preference.

Again, keep in mind you may want more or less sag depending on your bike, weight, and riding preferences. For the most part, this can be used across the board for trail bikes and downhill bikes. Sag setting is an ideal way of enhancing the height of your dirt bike. Porter adds: "When checking the fork sag, you are looking for closer to 10-15% if you are sitting on the bike. If you have never checked sag and want to read the detailed Racetech procedure click on this and it will open the Racetech procedure. For information on each entry and how to measure it click on the for each input box. IF AFTER SETTING THE. For the rear shock - 20% - 30% sag is recommended.

Adjusting the rear shock is as easy as 1, 2, 3.. Nov 7, 2001 #1 Hi, On my used XR650R I just bought, the difference in rear sag between when the bike is just sitting without me on it and when I pull it up is about . Use the rebound knob to adjust the rebound to your riding style.

A good rule of thumb is to aim for 30mm for street use, and 25mm for track use. Preload Adjustment & Race Sag. 1. Race sag is the difference in bike height from a bike on a stand with a fully dropped suspension and a bike with the rider on it. This measurement is the shock's static travel. any bike welcome as long as its dj or street 24 mins ago - Transition Spire - new long travel 29er 26 mins ago - Any suspension tuning camp/clinic/day of in Colorado? You can tweak it up or down maybe 1/4" or so to suit your riding style, but that's a good place to start. Setting Sag SIX12 Racetech Suspension. any bike welcome as long as its dj or street 24 mins ago - Transition Spire - new long travel 29er 26 mins ago - Any suspension tuning camp/clinic/day of in Colorado? If the amount of fork oil is too low, it can cause a head-shaking problem. Most manufacturers recommend that you set your sag somewhere between 25 to 35 percent. Measure the sag only when the rear shock is cool and not hot from riding. Keep the total percentage 33% (sag), and it indicates 95 to 115mm. For the most part, this can be used across the board for trail bikes and downhill bikes.

Too little rebound damping and it will rebound too fast and launch you off the saddle. The forks can be raised in the triple clamps and the rear shock height can be changed. Id say at your weight get a 6.2 for the rear and a .50 for the front.

once set you don't need to do it again unless you add weight to the bike.

Written by Jim Harmer in Dirt Bikes. Compress the rear suspension slightly (about 15mm - 1/2") and then SLOWLY release it back up - particularly at the end. If you're pitching forward, you'll probably need to increase rear sag and increase your fork spring preload. Posted: Mar 20, 2008 at 21:22 Quote: Does your bike/shock come with an instruction manual? How do you soften the rear shock on a dirt bike? the rear suspension's static sag.This measurement will quickly determine if your rear spring is approximately correct for your weight.

Put the bike on a center stand and release the accumulated air from the front forks. A dirt bike with a 125cc-450cc engine should have a rider sag of 102-105 mm and a static sag from 30-40mm. How important is setting sag on dirt bike? The FREE sag, which applies only to the rear suspension and uses the same system of measurement, should be between 2 and 8 millimeters. Bringing rider sag into the proper range (typically 30 to 40mm, front and rear) will place your bike's ride height, ground clearance, rake, trail, and other important factors into the right range and also help you to determine if the spring rates already on the bike are right for your weight. Make adjustment to the spring seat adjuster at the bottom of the shock to get it close to the 30mm's setting 3mm's will be ok either side of 30mm. Sag is adjusted utilizing the preload adjusters on the shock and the fork. You just need to adjust a little with the sag settings appearing at the suspension rear and all will be good then. Extend the fork completely by getting the bike off the ground and measure from the wiper (the dust seal atop the slider) to the bottom of the triple clamp (or lower fork casting on inverted forks; Figure 2).

If your shock is hot from riding it is best to note sag changes by the amount of turns in or out since the rider sag was set. You'll probably need to reduce rear sag and increase LSC. I am clueless on where the suspension settings should be on the 2003 yz85. For most full size dirt bikes, the rear shock should have a rider sag of between 95-110mm. More sag on the front or less sag on the rear will make the bike turn more slowly. Enter L1 measurement Enter L2 measurement Enter L3 measurement Race/Rider Sag Results Stiction Results Subtracting the second measurement from the first will give you the sag - simple. For dirt bikes, this measurement should be 30% to 33% of the total travel. Too much sag at max psi on rear shock. You want to aim for 3-4 . . You can look up the complete article which was released in two parts in Trialsport Magazin No. .

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Preload is how much you're compressing the spring from it's normal length with nothing on it. Is your suspension sag set properly? Honda CRF230F with a seat height of 34.8. However, take in mind that that's my preference for off-road riding . You want it to be around 100mm, but check your manual for exact. Setting your rear shock sag Bounce firmly up and down to charge the negative spring and free up the travel. The first measurement is taken, as earlier, with the That's between 30 and 35 millimeters for sport, sport-touring and standard bikes or 25-35 millimeters for road race bikes. Using different sag front and rear will have huge effect on steering characteristics. Rear compression adjustment is usually a small screw on the rear shock body, and fork compression will be a small screw on the fork cap or inside the lugs.

Yamaha TT-R230 with a seat height of 34.3. Choose a sag appropriate to your riding style.

Loosen the shock collar to reduce tension on the spring, increasing sag and making your suspension softer.

Get another person to notice the sag while you're on the bike, then tweak it according to . With the bike unladen, that's around 40mm of sag. my kyb shock didnt have the circlip but its about the same, unload the preload on the shock all the way, disconect shock linkage (bike on stand) push up on the spring from below, slide collars and rubber stopper up remove . . Race SAG is the amount the bike droops with the rider on the bike. IF THE LOCKING RING IS PLASTIC, TAPPING IT CAN BE RISKY. How do I stiffen my dirt bike suspension? How do I set my sag? Tighten the shock collar to compress the spring and add more preload; this pushes up with more force and reduces sag. Example: 12 travel x .

Most dirt bikes shock springs are held in place by two metal . Take the ruler out and measure down 100mm, 105mm, 108mm. Headshaking. These are the common settings that I use. Use a hammer and punch to turn the bottom lock nut, also known as the adjuster nut, counterclockwise at least 1 full rotation. (2) Variables.

All these bikes are life-size dirt bikes, the KLX110 is the . To check your dirt bike's sag, use a tape measure or (preferably) a sag scale tool to measure the distance between a reference point on the rear fender and the rear axle.