Pre-2014 Yamaha Raptor 90 A-arms & Shocks ATV Bolt-on Suspension Widening Kit +6

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Verkäufer: diamondjcustoms ✉️ (5.380) 96.6%, Artikelstandort: Polk City, Iowa, US, Versand nach: US und viele andere Länder, Artikelnummer: 311083187794 Pre-2014 Yamaha Raptor 90 A-arms & Shocks ATV Bolt-on Suspension Widening Kit +6.

This is a Widening Kit for the FRONT of your ATV. This kit will only work on the older dual a-arm front suspension Raptor 90s. In 2016 Yamaha changed from the dual a-arm suspension to the single a-arm suspension and this kit will not fit those Newer single a-arms ATVs.

Widen the REAR of your ATV also with our Wheel Spacers: https://www.ebay.com/itm/183818839938

CLICK HERE TO GO TO OUR eBay store:

http://stores.ebay.com/Diamond-J-Customs_W0QQsspagenameZMEQ3aFQ3aSTQQtZkm

Special notes on the Raptor 90 widening kit: 

Stock brake lines on the Raptor 90 are just long enough for this kit, but they will need to be disconnected and rerouted more directly to the front hubs rather than down to the center of the frame and outward as they are from the factory. We also found that the front of the Raptor 90 is wider than the rear, which is a little unusual, and the rear wheels are very small. For this reason, we sell a special rear wheel spacer kit for the Raptor 90 that widens the rear 4.25 inches per side (8.5 inches total) using a combination for our 4/110mm bolt patter rear wheel spacers which are 2 inches thick and stud extension wheel spacers that are 2.25" long. You can find these special kits in our eBay store.

Diamond J Customs does not sell extended brake cables, we only sell extended hydraulic brake lines for the larger ATV models. General information about Diamond J Customs products, starting with our widening kit:

Diamond J Customs' a-arm and shock widening kits are a unique approach to increasing the width of an ATV. Instead of replacing the a-arms with custom built, expensive after-market a-arms, this kit simply relocates where the a-arms and shocks mount to the frame. The precision laser-cut brackets supplied in the kit bolt to the stock mounts on the frame, and provide two sets of new mount locations for the a-arms and shocks that are 2 ¼ or 3 inches outward on each side. This provides a 4 ½ or 6 inch total (including both sides) increase in the width of the ATV while making use of all of the stock suspension components. Threaded tie rod extensions that thread onto your stock tie rods and secure in place with jam nuts are also supplied to extend the steering tie rods to match the widening kit.

Some of the widening kits for ATV's 300cc's and smaller have the option to include shock mount kits that are adjustable to allow the customer to vary the ride height of the ATV, utilize longer shocks, or both. We do not yet have a kit like this available for the Raptor 90, however.


Kits come complete with all necessary hardware to make the conversion to a wider stance.  Please specify if you want the tie rod extensions for the +4.5" or +6.0" setting by letting us know at the time of ordering. If we don't hear from you within a couple days, we will assume you want the +6 kit.

Shocks and a-arms are not included with any of the kits.  The words "shocks" and "a-arms" appear in the title because these are the parts of the ATV that are widened, not because they are included.  After-market a-arms and shocks will work with this widening kit, but they are not required.


The kits require no cutting or welding and can be installed easily in an afternoon by a typical home mechanic / do-it-yourselfer. We have installed many kits, and it takes us less than an hour to install a kit. Brake lines are typically long enough for the conversion if the intermediate brake line support on the a-arm is disconnected to provide more slack in the lines. Rerouting the brake lines around frame members to give a more direct path to the hubs can also help. Longer brake lines are available in our eBay store if you prefer to also make that modification. The following ATV's will most likely need longer brake lines for the +6" setting: YFZ450, 450R, Raptor 250, Raptor 125 and Z400.

Some of the pictures show the ATV's with the front bumper removed so you can see the kit more easily. The bumper mounts are not affected by the kits. Stock and aftermarket bumpers should work fine with all kits.


Steel brackets are made from 1/4" thick carbon steel and are designed to be used in all types of riding and racing, including motocross and GNCC. Many customers are using these kits to race every weekend. The a-arm mounting brackets are designed to be as strong as the a-arms connecting to them. The eight separate brackets work together to share the load in all directions (such as rough terrain or hooking an occasional tree on the trails). These kits ARE designed (and used) for the harsh conditions of motocross racing.  Maybe 1/4" steel doesn't sound thick to you, but anything thicker would be overkill (keep in mind the frame brackets that these mount to, are 1/8" thick steel. We have never had an incident where our kits have caused cracking of the frame mounts or frame joints. Because the widening brackets mount to both sides of the frame, and span both mounting locations, the loads are more easily shared between a larger area, which helps make this a very rigid and robust setup.


All kits come powder coated gloss black. Color choice is not available, but other colors can be painted or powder coated by the customer over the gloss black finish. Kit components go through a seven stage chemical dip cleaning process, are electro-statically dipped in black primer, baked, then powder coated and baked again to a super high-strength gloss-black finish.

Like most other eBay items, you are using this "as-is" kit at your own risk, with no warranty expressed or implied. By bidding, you are agreeing to these conditions. As you can see from our feedback, we can be very helpful if you have questions before or after your purchase, and we will do everything we can to make sure you are as thrilled with this conversion kit as we are.

We are thrilled with the performance of this kit, and excited that so many others have enjoyed it as well. You won't be disappointed!!! As you can see from our feedback, these kits are for real, and we are very fair & honest people to work with!! Send us pictures of your ATV after you have installed it so we can include it in our website galleries.

FREQUENTLY ASKED QUESTIONS and ANSWERS:

Q: What kind of shock and a-arms come with this widening kit?
A: Please read the description again. This kit is for widening your existing a-arms and shocks, so that you don't need to invest in new suspension components.

Q: Can I get this kit in a different color?
A: No, sorry.  We only sell the kits in black, but you can paint them in your garage if you prefer a different color.

Q: How wide will my ATV be after installing the kit.
A: If you order the +6.0 inch widening kit, your overall width will be exactly 6 inches wider after installing the kit. If you have the +4.5 kit, you will be exactly 4.5 inches wider after the kit is installed.

Q: Do you ship to countries outside of the USA?
A: We will ship our products anywhere.  We have already shipped our kits to hundreds of foreign countries. Our ads list the shipping cost for the US, Canada and all other countries.

Q: Isn't 1/4" steel going to bend or break?
A: We could make these brackets out of any thickness.  We have found that 1/4" thick steel is the perfect thickness for strength, and keeps the weight as low as possible. We have performed computer analysis of our kits, and have subjected them to thousands of hours of testing and have made several improvements over the years where they were needed.  An additional positive, is that even in our most extreme tests and in accident situations, the failure mode of these steel brackets is bending (not breaking).  This is preferred, because if you do encounter an unusual situation, bending a bracket versus breaking something, is always preferred.  We don't expect you to have strength issues with our kits, but occassionally an accident will occur.

Q: Do I need extended length tie rods for this kit?
A: We supply a tie rod extension for each of your two tie rods, so you can thread them on and go. We supply tie rod extensions because they are cost effective, easy to install, and it allows us to stock common parts that are usable on all of the different makes of ATVs.  If we supplied full length extended tie rods, it would add cost to the kit and we would need to make literally 60 or 70 different tie rod lengths and diameters to cover all of the different models. For the vast majority of customers, our tie rod extensions are the perfect solution.  For some ATV models, in particular the pre-2006 Yamaha's like the YFZ450's and 660R's, the factory uses 10mm diameter tie rods which are sometimes a little weak.  Making them longer with extensions just puts additional stress on what might be the weak link of the system.  We recommend if you ride in harsh conditions, you consider a high quality +2 or +3 extended length tie rod made of steel or high quality aluminum. There are many sellers on eBay and in ATV distributor catalogs that provide these parts. You can also buy tie rod and tie rod end kits that will allow you to upgrade to 12mm diameter tie rods like the Honda's and the 2006 and newer Yamaha's use.

Q: How much does a widening kit weigh?
A: Our widening kits generally weigh between 9 and 12 pounds depending on the model. This includes the mounting hardware, which will replace some of the hardware already on the ATV. We try to keep the weight as low as possible, but adding weight is one compromise to a wider stance. By comparison, a set of +3 extended length aftermarket a-arms can add around 5 to 8 pounds depending on the brand.

Q: Does a widening kit create excessive bump steer?
A: Bump steer is when the front tires "toe-out" when landing a big jump, which can cause the ATV to dart left or right unexpectedly. All ATV's have bump steer from the factory, because the pivots of the tie rods aren't exactly lined up with the flex points of the dual a-arm system. This means that as the suspension goes through its range of up and down motion, the tie rods go through a slightly different range of motion which affects the toe-in / toe-out of the tires at each point through the range. Because our widening kits move the a-arms outward without actually moving the tie rod pivot points, they do increase the amount of bump steer in the system. The real question is "how much is significant, and will I notice it?". We have sold literally thousands of kits across the world. We can count the number of customers that have said they noticed a change in bumpsteer on one hand (less than five). This is even less that we would expect, because if you know what you are looking for, its possible to feel it. We think that the added amount of bump steer is an acceptable compromise compared to spending much more on expensive systems that avoid added bump steer. We recommend that you be the judge, because the chances that someone else's opinion is based on facts or experience, is unlikely... 


Shipping & handling is flat rate, and our products are all pre-boxed and ready to ship. Combined shipping is not usually possible.  We use the US Postal Service to ship worldwide, and it is by far the least expensive method available.  Our kits fit perfectly in the flat-rate shipping boxes, so shipping costs are minimized by a single kit per flat rate box.


We also have awesome looking and very strong custom billet aluminum rear wheel spacers that will fit these ATV's and spread the rear 2 inches on each side. They are listed in our eBay store.

The goal of Diamond J Customs is to develop and offer products that add performance to the ATV without the enormous price tag found on other ATV aftermarket products. We do this by designing kits that will allow use of as many stock components as possible, and allow you to mount higher performing parts from other ATV’s on your model. These parts are often available at reasonable prices on eBay, saving you money. We've sold literally thousands of these kits to other “Quad Fanatics” and from the feedback from customers on eBay, you can see that they have been more than satisfied with the products. We work hard to design products that maximize the performance of your ATV while keeping prices as low as possible. Safety is not something that will be compromised. We appreciate your interest in our products, and hope to have you as a customer!! 


On Jan-04-09 at 10:34:45 PST, seller added the following information:

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  • Condition: Neu
  • Mounting Style: Bolt-On
  • Fits: ATV
  • Warranty: No
  • Color: Black
  • Manufacturer Part Number: R90 SWID +6
  • Make: Yamaha
  • Material: Steel
  • Placement on Vehicle: Front
  • Brand: Yamaha
  • Displayed Make: Yamaha
  • Type: Bolt Kit
  • Compatible Make: Yamaha
  • Part Brand: Diamond J Customs, LLC
  • Positions: On
  • Surface Finish: Black Powder Coated
  • Country/Region of Manufacture: United States
  • Compatible Year: pre-2014
  • Item Weight: 8.75 lb
  • Part Type: A-arms

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