Turbo Busa X2 – Part 3

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As you know from reading the first two installments of this series we set out to build the ultimate turbocharged Suzuki Hayabusa and as of now we think we have done a pretty good job of blowing away the competition – as well as the editor’s budget. Without further delay, let me show you what we have added for the third and final stage of this project and later we can take a look at our “Busa-Babe” model we’ve included as icing on the cake.

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The very first thing we noticed after unleashing the Velocity Racing 300hp was that the stock Busa’s braking system was not up to the task. It just did not offer the bite we needed to haul this missile down from the 200 mph plus speeds it will generate with ease. Straight away we started looking over the available brake systems on the market. As you can see in the photo we chose AP Racing as our supplier of choice and turned to Geoff at GP TECH to make our stops come true. They have a lot of racing experience and frankly, we feel their system is the dog’s bollocks. We went with their front wheel package starting with the CP4125 series master cylinder at $495. It is the heart of this system and where you should start if operating on a budget and want to buy a piece at a time. This master cylinder offers a patented adjustable ratio system. This means you can adjust not only the reach, but also the leverage, which determines the lever pressure required to exert a given pressure on the rotors. Using the easy-to-reach adjustment on the master cylinder, you simply turn the wheel to find the feel you prefer. You can dial it up so that the lever is hard without a lot of feel, which imparts the least pressure on the rotors. Or turn it the other direction and get a softer, more progressive feel at the lever that yields a higher braking pressure on the rotors. We opted for the later settings as it provided more feedback to the rider from the front wheel and allowed for more accurate adjustments in lever force.

If this is not enough trickery for you then try out their super-cool, dual-bore master cylinder. This is a great safety feature mandatory on all modern automobiles as it protects against fluid loss in one leg of the system that on a motorcycle could render the entire front brakes useless. Normally, both calipers are fed from one master cylinder so if you lose fluid for any reason such as leaky hose or damaged caliper, then you have lost both front brakes. Not so on the dual bore because each caliper has its own dedicated bore at the master cylinder and line to the caliper. Should you lose pressure in one caliper you would still have pressure on the other side. Of course it’s more expensive but what are brakes worth at the end of a mile-long race when you realize you’ve forgotten to properly tighten a banjo bolt?

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Next from GpTech we selected their CP-4177 six-piston calipers with integral dirt seals. For a price of $499 each you would expect nothing but the best, and after living with them awhile we can say you will not be disappointed. These are CNC machined from an aluminum alloy and contain differential bore diameters and each piston has its own dirt seal to protect it from the elements. It also uses quick-release R-Clip retainers for the brake pads which allow quickie pad changes. They also supply a pressure switch that allows you to keep full function of the factory brake light. We filled these up with PFM disc pads, which offer a lot of initial bite and fade-free performance on those long braking pulls from top speed.

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For the rotors, AP has the full floating stainless steel model. They are 320mm diameter and are part number CP-9109. They will set you back a full $640 a pair to know you have the best on the market. Not only do they look great on the silver bike offering major poser points, they make the big busa stop faster than many lighter weight sportbikes. The swept area of the rotor is designed to work with the calipers to provide the perfect combination for this sever-duty application.

To connect the master cylinder to the calipers we went with Galfer’s coated stainless braided lines. At $95 they are not the most expensive on the market but their proven track record make them the line of choice at GP Tech. You can get them from either GP or direct from Galfer at www.cyclebrakes.com.

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To continue the theme of building this into a world-class bike we turned to Charles Green again at www.streetntrackimport.com. This time he shipped us a few extra-special goodies like a set of RAM rearsets ($340), a Magical Racing carbon fiber fender ($235) and a Magical Racing two-piece, carbon fiber trim windscreen ($300).

The two-piece carbon fiber windscreen is something you are not likely to see on every Busa, so if you are looking for exclusivity, this is the way to go. The same is true for the carbon fiber fender which looks very good on this color bike in particular. The one we had was an early prototype and required a bit of fitting but later production models, we are told will have all of these issues sorted. Then finally, the RAM rearsets that are really a work of art, with every part machined from the toughest aluminum alloy available. But don’t even bother looking for a rear brake light connection because these are strictly for race use. Of course they increase cornering clearance, so if track duty is part of your game make sure you check into these.

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Another key issue related to a big horsepower bike is the drive chain. Since Schnitz Racing is the leader in drag race parts we called Dave and he quickly suggested another Tsubaki 530 hi-strength chain for us. They have the highest strength of any other chain on the market and will handle the boost with ease. Schnitz sells their chain by the link so you can get exactly what you need. This O-ring version runs $1.33 per link and each chain you buy comes with a master link.

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By this time we had the bike looking pretty good under the bright lights of the Dragbike.com studio, but in the dark it was a little bland. So next we turned to www.speedhut.com for their new, hot-off-the-production-line custom gauge faces. The thing we liked about Speedhut is that we counted 960 possible combinations of colors, fonts, etc all designed to ensure that you find exactly what you want. To compliment the color of the silver Busa we picked a silver background with a checkered flag pattern that looks great. The kit ($99.95) comes with a simple-to-wire on/off switch and even has a brightness adjustment for the backlit feature. The kit is not difficult to wire but the placement of the dials does require the removal of the entire speedo cluster and cover. If you are uncomfortable with tedious work you had better get some help here. Ours took about an hour and a half including the wiring, but the dials look very cool compared to the stock setup.

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Now that we had the bike basically the way we wanted it, we needed some quality leathers to protect the pilot upon landing, if he should take flight. For leathers FAST LAP is one of the top suppliers to the roadrace and street-bike market. We called Brian Stokes and got hooked up with their top-of-the-line Kobe Carbonstar full-race suit. These are not your run-of-the-mill, namby-pamby leathers; they are heavyweight premium 1.7mm-thick cowhide. Unlike many less-expensive products that are only 1.2-1.4mm thick, these will provide maximum protection when called upon to do so, for years to come. In fact, because they are more durable than most, we recommend them for club racers who can’t afford to buy a new set each year. They feature double- and-triple-stitched seams in all high abrasion areas and are also fully perforated for excellent ventilation. The critical areas such as the crotch, inner arm and back of the knee feature Keprotec Kevlar stretch panels to assure that trim fit you want at high speed. Of course it comes fully filled with CE-approved body armor as well as heavy-duty YKK metal zippers to ensure years of dependable service. In case you can’t tell we were very impressed by their look, quality, fit and most important the protection they provide. If you want a set for yourself call Brian or any of their sales staff at 1-888-FASTLAP and for a limited time they are on sale for $699. Compared to suits costing almost twice as much these are a bargain.

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To finish out the riding gear we also selected a pair of Kobe Pro gloves for $139. These are another super product from 1-888-FASTLAP. Because they are a direct importer of Kobe, they are able to offer direct prices to save you money. In fact, if you try to match the features of these gloves you will have to pay $200 to come close. I know because my last set of top quality pro racing gloves cost that much and are very similar to these. They include features like memory foam on the back of the hand, wrist, and fingers; Kevlar protection and special rivets over the palm and little finger area to save you from contact with the asphalt. Plus carbon armor covers all knuckles and the back of the hand. If you look closely you can see that the thread used throughout this glove is yellow Kevlar. After an honest side-by-side comparison to my previous favorite gloves I have to say that these are not only better but cost almost $100 less. Now I know why Kobe calls their products “World Class.”

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And finally we had to get a helmet painted to match up with everything so we contacted a well-respected custom bike painter on the west coast named Victor Riley, at Coyote Customs.  He normally works exclusively on custom bikes but we talked him into this project. Custom paint for a helmet like this run $275 and includes return shipment. We bought a new Arai Quantum for this project; Victor has no preference on brands as long as it is in new or like-new condition and in a solid color. I just happen to have an Arai shaped head and always seem to get the best results from their fit.

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Normally on a project like this we get a model to pose for us on the bike and this one is no exception. So, before we say goodbye to the 2002 Turbo Hayabusa project bike, say hello to Amanda of Chattanooga, who was kind enough to allow us to snap a few shots of her at White’s Suzuki and Marine, also in Chattanooga.

For those of you curious about the total, here it is, please don’t tell my wife!!

Item Contact
Price
2002 Hayabusa Capitol Cycle
9,605.00
Velocity Racing Turbo Velocity Racing
7,095.00
Dymag Wheels Street n’ Track Import
2,175.00
Adjustable Lowering Links Schnitz Racing
114.95
Billet Adjustable Kickstand Schnitz Racing
179.95
Chrome Gas Cap Schnitz Racing
109.95
Chrome Mirror Covers Schnitz Racing
59.95
Aluminum Chain Gaurd Schnitz Racing
79.95
Pollished triple Clamp Spencer Cycle
200.00
Tank Skin Second Look
89.95
Seat Covers Second Look
79.95
Clear Lens Covers Second Look
49.95
Tail Light Integrator Second Look
59.95
Double Bubble Windscreen Second Look
79.95
Custom Graphics gixx1300r@aol.com
120.00
Power Commander PCIIIr www.powercommander.com
399.99
Rennsport Tires Street n’ Track Import
290.00
AP Master cylinder www.gptechllc.com
$495.00
AP Calipers www.gptechllc.com
$998
AP Rotors www.gptechllc.com
$640
Galfer brake lines www.cyclebrakes.com
$95
RAM Rearsets Street n’ Track Import
$340
Carbon Fiber Fender Street n’ Track Import
$235
Carbon fiber trim shield Street n’ Track Import
$300
Tsubaki Hi-Strength Chain Schnitz Racing
$159.60
Backlit dial covers www.speethut.com
$99.95
Kobe Leathers www.1888fastlap.com
$699
Kobe gloves www.1888fastlap.com
$139
Helmet paint coyote@foothill.net
$275

Total
$25,295.04

Be sure to stay tuned to Dragbike.com for the new 2003 project bike, of which we will be showing initial photos very soon. For all of you who are tired of seeing Suzuki after Suzuki, you will be happy to know that the next one is NOT another Busa or even a Suzuki.

Stay tuned….

– Don Smith
motojournalism@aol.com
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