Street Motorcycle

Ten Seconds Destroyed

Fontana, CA -- Take one part novice and one part professional instruction; mix together thoroughly with street bike and marinade for approximately two hours. Remove novice from street bike and add one turnkey drag bike. Bake rear tire for two to four seconds and then let mixture settle for 30 to 60 seconds. Set novice and turnkey drag bike at starting line. Turn on timing lights; apply full throttle then release clutch immediately to inject 165 horsepower. Hold full throttle for the length of a quarter mile or 9.96 seconds. Remove jubilant novice and garnish with NHRA license. Thats a recipe that just about anyone with $31,249.00 and most of the above ingredients can use to accomplish the same results or better, thanks to the Harley-Davidson Motor
Company and their CVO Division. Custom Vehicle Operations or CVO as its called back in Milwaukee, "creates low-volume, custom motorcycles produced by skilled technicians in special assembly areas at the Harley-Davidson plants in York, PA and Kansas City, MO." A long winded way of saying that this division has a single focus of bringing customization inside of the giant that is Harley instead of letting customers walk away and into the ever burgeoning market segment that is customizing. Earlier this year Harley unveiled the new for 2006, VRXSE Screamin Eagle Destroyer. A closed-course only motorcycle based on the 2006 VRSCA V-Rod chassis but designed specifically for drag racing. Even though Harley touts the Destroyer as a `Pro-Level Drag Bike, they make the distinction that "the goal is to bring grass-roots racing to dealerships and riders alike", according to Joe Nutt, CVO Project Leader for the Screamin Eagle Destroyer. As evidence of that, for 2006 there will be a dedicated AHDRA Pro class for the Destroyer. 
As mentioned above, the drag bike for the `average guy is rooted in the 06 V-Rod and has a color option of Electric Orange which isnt too dissimilar from the VRSCSE Screamin Eagle V-Rod. But thats where the similarities end. As one of the Destroyer engineers said, "Its a different bike from the ground, up." How long did it take to massage an out-of-the-box drag bike? Nine months from concept to completion. And final design was graced with input from Matt Hines, crew chief for the NHRA Pro Stock Bike champion Screamin Eagle/Vance and Hines team. Which, by the way clinched the 2005 NHRA POWERade Pro Stock Motorcycle championship on Nov. 6 at Pomona, California. So, what really sets the Destroyer apart from the pack, or at least makes it a narrowly focused machine? For starters the heart of the beast is a 1,300cc (79cu.in.) liquid cooled, V-Twin Revolution engine with 105mm cylinders that are made of ultra-hard ductile iron and a stroked, 75mm crankshaft. Forged pistons help create a 14.0:1 compression ratio. Cylinder heads are CNC ported; the valves, valve seats, springs and keepers are all competition grade and designed to complement the high-lift, high-duration cams. The heavily modified motor inhales through 58mm throttle bodies that utilize tuned velocity stacks in lieu of an air cleaner. An MTC multi-stage lock up clutch handles harnessing the power that this dragon produces and puts the ponies to a transmission that has a modified input, actuator and output shaft assembly which works with an electric-over-air shift system. Final drive is a 530 DRZ chain. Its the same chain that the Vance and Hines drag racing team uses.
A combination of things that you can and cant see further distinguishes this orange demon from its V-Rod relatives. Like the programmable, multi-mode shift light and a two-stage launch box (not lunch box) thats linked to the shift lever. Speaking of being programmable and invisible, the Destroyer will be shipped with a Screamin Eagle Race Tuner that you can use to play with the ECM. A digital tach/LED shift light is about the only indication of whats going on.
To really give it that `drag racer look, Harley has adorned the bike with a wheelie bar, a special swingarm with custom rear-axle adjusters, solid rear struts and the mother of all drag distinguishing goodies: a big, square slick for the rear and a skinny slick up front. The rear tire is a 7-inch x 25-inch Dunlop Screamin Eagle, while the "other one" is a 3-inch x 18-inch slick that may last a lifetime because it hardly ever touches the tarmac. Both tires can be purchased from your local Harley dealer but more importantly theyre in stock, according to Joe Nutt. Finishing touches include forward race-position drag handlebar and risers, drag racing controls of which the most notable is the button that says SHIFT, an emergency shut-off tether, rear-set (as in so rear-set that theyre mounted on the swingarm) footpegs and a race seat with a high-rise cushion. One of the most enticing comments about this bike came from Gene Thomason, who said: "With proper care this bike can go a whole season without being torn down." All this stuff sounds neat-o but what would it be like to ride one? MO was invited to find out just what Harley means by a turn-key, non-street legal, sub 10-second drag racing motorcycle. A cool, rain threatened day greeted us at the California Speedway Drag Strip in Fontana, California for what would be to some in attendance, their first time ever down the quarter mile. I was one of those. Never having been less than 10 feet from a drag strip, let alone racing on one, some instruction would be necessary at least as far as Harley-Davidson was concerned. To fill the shoes of instructor Harley chose seasoned drag racer Gene Thomason who is more than qualified as he routinely blasts down the strip on 200 horsepower Pro Gas drag bikes.
The day would start with instruction on how to approach the burn out box, do a burn out, approach the staging box, stage one and stage two lights on a pro light tree, go down the strip straight and exit the strip once the run is over. It sounds simple in premise doesnt it? Harley isnt so eager to get the word out about the Destroyer that they would just plunk any old editor in the saddle of a purpose built, 165 hp motorcycle and let `em go. No sir, not at all. We had to prove to the Harley folk and Gene that we would be able to grasp the concept of drag racing before riding the real deal. And in order to do that Harley provided V-Rods, Screamin Eagle V-Rods, Screamin Eagle Fat Boys and of all things Screamin Eagle Ultra Classic Electra Glides. Scoff if you will at the idea of launching these street machines down the strip but one can and must learn the basics of what seems like such a simple form of racing. For instance, approaching the burn out section or "box", you should already be looking down the track and picking a point in the distance to begin lining yourself up, all the while being conscious of not moving the bike through the water thats used to help initiate the burn out. After positioning the bike in front of the water my next step was to ease the bike backwards so the rear tire would be in the water. The entire time youre backing up you never want to lose your gaze down the strip. Looking anywhere other than straight down at your feet will cause you to be crooked. Once I was certain that I had the rear tire in the water I then eased the bike forward approximately four feet to position for the burn out. Next in the process is getting the bike into second gear (not first as many would assume), holding the front brake with all four fingers, holding in the clutch and revving the engine to around 7,000rpm for the V-Rods and around 5,000rpm for the Electra Glides by using that fifth digit called the thumb. Now youre ready to release the clutch, shove the front end into the ground and keep the revs up.
Again, this all sounds simple until you attempt to do it the right way, the right way being to never load the rear tire. Youd be surprised how few people can do it correctly. Its a tiny symphony of actions that require practice. A burn out should be between two to four seconds. After completing the burn out, approaching the staging lights is the next order of business. Seemingly, this should be yet another simple act. On this day we would be using what is called a "pro tree." The first action is completely in the racers control as the first staging light is lit. Nothing will happen until he or she causes the second staging light to go off by literally inching forward. At this point all bets are off and the racer is at the mercy of the starter. The starter can trigger the green light in as little as one second after the racer has activated the second staging light. Though typically the window is one to five seconds. Just about everyone has seen the configuration of lights at a drag strip: three yellows and a green on the right and left and a single red light at the bottom. The typical countdown, so to speak, is yellow, yellow, yellow, green. In a pro tree scenario all the yellows will light at once and then the green. Genes instruction to us drag race hopefuls was to drop the clutch and go once you see all yellows light up. The bike and rider reaction time will be such that once the bike moves the green light should be up. Its just one more thing to catalog in the "easier than it sounds" section. Should the rider do all this as planned the only thing to do after that is keep the throttle open, shift and go straight. Somewhere in the next nine to 14 seconds you can expect to reach the end of the quarter mile.
After completing 15 to 20 passes on various street bikes it was time to move onto the big dog. Gene needed to give additional instruction to us for riding the Destroyer. The general principles were the same but the Destroyer, being a true drag bike, has a variety of nuances. For example, the "stutter box", as its commonly referred to, is the programmable rev limit depending on whether the clutch is disengaged or engaged. With the clutch lever pulled in the bike could only rev to 7,500rpm. Once the clutch is released the engine will go to full rev, somewhere around 10,000rpm. And again, this can be programmed to the racers liking.
While on the subject of the clutch one of Genes most important pointers was that we release the clutch immediately. No slipping of the clutch allowed. This serves a two-fold purpose: it prevents additional heat from being built into the clutch and is the only way to get a good launch from the line. Just a few more tidbits were covered before our first soft launch: lay across the "gas tank" in full drag racer mode, utilize the LED shift light, keep the throttle on and go straight. All other lessons learned were applied to these few new instructions and it was time to line up. The first pass was whats called a soft launch. In other words, the goal was to essentially roll away from the line and continue to build speed through first gear. After first gear at full throttle, we could hold the throttle open and shift when the shift light said it was time, with engine speed around 8,000rpm. Call it a soft launch if you want but theres nothing soft about the way this liquid cooled, 1,300cc eagle screams. Since there really isnt anyway to describe something like riding a dedicated drag bike for the first few times a lot of cliche have to be applied. One to start with is: "It was over before I knew it!"