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Showing posts with label Big bikes.. Show all posts
Showing posts with label Big bikes.. Show all posts


One of the few bits of good news in the motorcycle industry these past few years, at least in America, is that many of the too-cool-for-the-States Euro-only models have finally dropped anchor and headed to the New World. The U.S. gets one such ride, Yamaha’s FZ8, as a 2011 model.just got a first taste of the new Fazer on a 100-mile run in California’s Santa Monica Mountains, discovering a fun-to-ride and versatile new middleweight.


The FZ8 expands what Yamaha dubs its Total Sportbike line, a designation applying to the high-performance Supersport R1 and R6, as well as the Sport-Touring FJR1300. In between are models Yamaha designates as its Sport models: the fully-faired FZ6R, half-faired FZ1 and the naked FZ8.
 

 Contrasting their best-selling status in Europe, naked street bikes have struggled in the American market. Yet Yamaha sees its FZ8 as servicing a growing segment. Although overall motorcycle sales have tanked since the 2008 economic crisis, the general market distribution remains more or less the same. Citing data from the Motorcycle Industry Council


(MIC), Yamaha claims the Total Sportbike segment of the industry has held steady from 2005 thru 2010 at 20% (cruisers maintain the top position at 45-50% of sales). Within the Total Sportbike category itself, however, the Supersport segment has dropped from 65% to 49% over that six-year stretch. Picking up the slack, the remaining Sport models are up from 29% to 37%, with Sport-Touring bikes more than doubled from 6% to 14%.

Other market indicators deemed favorable for the FZ8 include a growing trend of riders no longer purchasing multiple specialist bikes, but instead investing in a single, more versatile mount. Add in Yamaha’s own customer feedback, which put Rider Position and Price/Deal as their most important purchasing reasons, and Yamaha makes a strong case for its new naked standard.

The FZ8 sources a familiar looking Inline Four, which shares the pre-crossplane R1 pedigree of its larger-displacement FZ1 sibling. The engine cases are in fact identical with FZ1, along with the 53.6mm stroke. But the FZ8 displaces 779cc courtesy of its sleeved down 68mm bore (77mm on FZ1). The FZ8 mill further diverges with a new four-valve cylinder head (five-valve head on FZ1) and higher 12.0:1 compression ratio. Mellower cam profiles and revised valve timing tune the FZ8 for low and mid-range power, rather than the top-end bias of the FZ1, the latter bike also sporting a 500 rpm higher redline at 12K.
 

 Variable length intake funnels further refine the engine’s power characteristics. No, it’s not the movable YCC-I system from the R1, rather the outside cylinders are 125mm long, while the middle two cylinders route air from the 7.8-liter airbox through 150mm length funnels. Other internal changes include a narrower throttle bore than the FZ1. The other major change from the FZ1 mill is a lighter crankshaft, with Yamaha claiming a 30% reduction in inertial mass. While giving the engine a quick revving character and smooth throttle response, the company touts the crank’s the reduced rotational force “contributes to light and responsive handling.”

Well-suited to a bike pitched as a step-up model, the engine’s broad powerband has something for all skill levels. The low end churns out ample, yet manageable power, complemented by a forgiving throttle input. Approaching 6K on the tach and a fantastic mid-range zing kicks in. Squeeze the throttle between 6 and 9K and riders had best have firm grip on the controls, because it hauls. Fueling across the powerband is immediate without being abrupt, a very tricky formula to master. The engine’s smooth character holds throughout the revs as well, with no rattling or overt vibes until it buzzes up near the 11.5K redline.

Yamaha refuses to state power claims for this model, but our seat-of-the-pants dyno would confirm its middleweight displacement. It’s got more oomph than a 600 street bike, but lacks the potency of the FZ1 or 1043cc Kawasaki Z1000. In fact, the engine performance it’s most analogous in our estimation to the defunct-in-the-US Kawi Z750, which we fondly recall from many a riding season past.
 

 A 4-2-1 exhaust system exits out a black, right-side muffler. We found the exhaust sound muted but favorable, with a more robust melody wailing at the upper revs. Keeping it revved out doesn’t help with fuel economy though, and the Fazer seemed to suck down the gas during our test ride. Yamaha reps promise a 200-mile range from the 4.49-gallon tank, a claim we’ll test in a future comparison review.

The FZ8’s six-speed transmission features lower first gear and secondary reduction gear ratios than the FZ1. We found no fault with the gearing, the low first gear praiseworthy for allowing riders to creep along at low speeds without clutch finesse and little to no throttle modulation. The cable-actuated clutch delivers seamless engagement, while the lever pull felt stiffer than ideal but tolerable.

The FZ8’s cast aluminum frame and swingarm are identical with the FZ1. Same goes for the 57.4-inch wheelbase, 32.1-inch seat height and steering geometry. Swing a leg over the 8, however, and it feels smaller than our recollections of its bigger displacement kin. This may be in part due to the missing half fairing (a half-faired version of the FZ8 is available in Europe), but the seat and tank junction have also been slimmed down to deliver an easy reach to the ground (fuel capacity shaved by a little over a quarter-gallon). Smaller riders noted the FZ8 dimensions were easy to handle and not intimidating, and taller riders didn’t feel overbearing on the new model.

Slight repositioning of the handlebars (5mm forward) and footpegs (15mm backward, 10mm downward), compared to the FZ1, deliver a subtle forward pitch for the rider. Increased wind resistance from the naked design counteracts the forward cant, so no pressure is placed on the rider’s wrists or lower back. The standard position makes for a comfortable saddle, though we’d rate the seat only average – comfy for showroom floors and short jaunts, but lacking as the tripmeter turns into triple digits.
 

Get up to speed and the FZ8 turns in and transitions without much effort at the controls, the front-end light and intuitive when the road kinks up. Here’s where the Yamaha’s assertion of improved handling from the lighter crankshaft come into play. We’ll buy into the claims, as the FZ8 proved more nimble than our recollections of the FZ1 (we last tested the FZ1 during our 2007 Streetfighter Comparison, where it was deemed less svelte than its competitors), though we reckon this could also be owed to the half-inch narrower rear tire. Certainly the FZ8 feels lighter than the 15-pound spec sheet variances of the two FZ models.

The FZ8’s suspension is non-adjustable, save for nine-position preload adjustment for the rear shock. The inverted 43mm KYB fork works sound enough, set up well for its street use. Riders who find the fork’s performance limiting figure to already be drawn to the higher-spec FZ1, which sources fully adjustable KYB sticks. The YHSJ rear shock (Yamaha’s subsidiary suspension company formerly known as SOQI) is less adept. Sprung on the soft side, the FZ8’s rear end wallows when pushed hard on poor road surfaces. Riders in our test group who added preload reported improvement, but the shock would benefit from more rebound.

Braking performance is solid courtesy of the dual front 310mm discs and four-piston, non-radial-mount Sumitomo calipers. The single 267mm single-piston Nissin rear isn’t terribly impressive, but the overall package proves quite effective at bringing the 470-pound (claimed) bike to a safe and speedy halt. ABS is not available as an option.

The FZ8’s $8490 MSRP beats its direct competitors and falls under that imposing 10K mark by a full $1500. Fit and finish on the bike is decent, but not flawless, with things like the flimsy mount of the wind cowling somewhat detracting. Instrumentation is simple and easy to read, with our favorite perks like a gear position indicator absent but not missed. As bikes get more and more complicated the simplicity is refreshing.

On the styling end, the FZ8 is not a particularly edgy bike. That said, it plays to our particular sensibilities, with its naked profile and exposed header pipes our favorite trait. As far as colorways go, as Henry Ford once said of his Model T, the FZ8 can be had in any color the customer wants, so long as it’s black. Riders can, however, kit out their Fazer with numerous factory accessories including some extra bodywork and useful add-ons like a centerstand.

All told the FZ8 is a fun bike to ride and an exciting new middleweight option from Yamaha. The Tuning Fork logo makes a compelling case for its latest model’s success, even in the current distressed market conditions and traditional low sales of naked street bikes in the States. Now it’s up to the American ridership to decide if these Euro-only bikes are Euro-only for a reason.



The radial engine is a thing of beauty and it looks like several other folks think the same thing. After I posted the radial motorcycle yesterday, I contacted Rotec Engineering, makers of these 7 cylinder radial engines, and according to them, there are at least 4 of these projects in various stages of completion at the present time. Yesterday's bike and this one as well seem to be a bit short of running. I see no provisions for exhaust yet and no front brakes. This bike has no handlebars either so we're still in the building stage. At first glance, you wonder if these guys are serious but these do seem to be real works in progress.


Additional closeup photos on yesterday's post show exhaust pipes behind the engine and at least a foot brake pedal so it may be running as is.

This longitudinal engine arrangement seems more natural for a motorcycle, better clearance for cornering, however, cooling the rear cylinders would definitely be a problem. Yesterday's transverse arrangement is great for cooling and correct for the engine's design but it presents clearance problems, not only straight up for the bottom cylinder but when leaned in either direction, as well.



 I can't believe these bikes will be much more than showpieces when done, who could actually ride them? Still, I think radial engines are among the best looking engines ever designed and these Rotecs are small enough to put in all sorts of different things, airplanes look great with a big radial out front but there are always cars, trucks, boats, you name it. But you have to give these guys credit, a radial engined motorcycle, superb!


2010 Star VMAX vs Triumph Rocket III Roadster review.

Who needs 165 horsepower and 132 lb-ft of torque? Well, nobody really needs it, but we sure aren’t complaining after comparing the Star VMAX and Triumph Rocket III Roadster.
This isn’t the first time we’ve sought a comparison mate for the reborn VMAX. When it first hit the streets in 2009, with its near 200 crank horsepower claims, we tapped the now-extinct Suzuki B-King for a comparison. Pure performance street bikes, head to head, but the sporty Hayabusa-powered B-King made the Max feel big and rather cruiser-ish. This time around we looked at the cruiser side of the performance spectrum for a comparison competitor.
A natural candidate emerged when Triumph announced it had taken its Rocket III Triple and wrung out 15% more torque, added blacked out styling cues and a more standard ergonomic package and slapped on the Roadster moniker. Voila, a hopped up performance cruiser to match up with the VMAX.
So that’s the rationale for our comparison. Grab two of the most powerful motorcycle engines available and run ‘em against each other to see what happens.


Testing these brutes we logged miles commuting to work, as well as off-the-clock play rides. Editors kept scrambling to place dibs on either one for the ride home on Friday, as there was plenty of rubber to burn on the weekend. We also put the two up on the Mickey Cohen Motorsports dyno, as well as our Intercomp scales to measure raw performance data and weights. And, of course, we had to take both out to the local dragstrip to snag some quarter-mile times during Friday night drags.

It was a fun couple weeks. Here’s what we discovered.
The VMAX and Roadster are both all about engine performance, but they bring the heat in two different ways. While the VMAX exemplefies the extremes of horsepower production with its distinctive V-Four, the Roadster rips pure torque from its Inline Triple.

A nasty-looking 65-degree 1679cc V-Four featuring 90 x 60mm bore and stroke powers the mighty Max. Internals include chain-driven intake and gear-driven exhaust cams actuating the four-valve heads, with an 11.3:1 compression ratio. Yamaha’s sportbike technology lends high-performance systems like the Yamaha Chip Controlled Throttle (YCC-T) and Yamaha Chip Controlled Intake (YCC-I), the latter featuring variable-length intake trumpets controlled by the ECU dependent on rpm. Then, of course, there is the ram air flowing through the distinctive polished aluminum scoops (they ain’t just for style).



All that fancy engine talk equates to some serious real world wahoo! – to the tune of 165 horsepower at the rear wheel. Factor in about a 15% loss due to the shaft final drive and our dyno measurement matches favorably with Yamaha’s near 200 hp crank claims. It also makes the VMAX one of the most powerful machines we have ever tested. Only three production rides have registered more dyno hp: the 2010 BMW S1000RR (182.8 hp), 2008 Suzuki Hayabusa (166.8 hp) and the VMAX we tested in 2009 (166.4 hp). The Max produces plenty of torque too, with 104 lb-ft peak numbers.
Triumph’s Rocket is no slouch either. It churns out prodigious torque courtesy of a 2.3 liter Inline Triple. Yes, that’s economy automotive-type big, and at 2294cc it’s the largest displacement motorcycle engine in production (we’re choosing to ignore the Chevy V-8-powered Boss Hoss – see side bar). To get a grasp on scale, that’s an extra 615cc more than the hulking VMAX! Like the Star the Rocket sources DOHC valve train, but with a much larger 101.6mm bore and 94.3mm stroke producing a lower 8.7:1 compression ratio.

At the tech briefing for the original Rocket, Triumph’s product manager told us that during engine development the mill produced so much power it caused the pipes to glow on the dyno. So it’s perhaps not surprising that the engineers at Hinkley managed to coax an extra 15% torque out of the already prodigious motor. Still, the 132 lb-ft registered on our dyno run makes the new Roadster the most prolific torque producer we’ve ever come across (and our lb-ft measurement tallies a little low from what we’ve seen, with some sources claiming close to 140 lb-ft).

Although both impressive, on road the two motors deliver a different riding experiences. The Triumph stonks acceleration right off the bottom, but can’t compete with the sheer brutality of the VMAX. That’s not a slight on the Trumpet, just a nod to the Yamaha. It takes a lot of chutzpah to call the Rocket III Roadster slow, but the VMAX has the stones to back it up.

“The VMAX may not have the torque of the Rocket but it certainly is the King of this duo,” says Motorcycle USA VP Ken Hutchison. “Head to head roll-ons still seem to be the V-Max’s forte. One-up or two-up the Max feels faster in the real world. The engine is just awesome.”

The Star motor spins up much quicker than the Rocket, the throttle packing a knockout punch right from idle. The practical application of all those horses on the pavement is a rear wheel that can’t keep from spinning. Crack the throttle violently and the VMAX spins it up in the lower gears without effort. This trait alone make the Max a must ride for hooligans.



“By itself, it is impossible not to get sucked into cracking this thing open now and then,” admits Ken. “It’s so damn fast it makes me laugh. It burns out in parking lots if you crack it open for a second. It burns out when you are accelerating from a stop light. Heck, it even burns out if you give it too much throttle on the exit of a sharp turn. This is the original hooligan bike baby, and I dig it.”

The Roadster’s acceleration is far from timid, but by comparison feels more manageable and linear. Torque is everywhere, plenty of it, chugging along from right down at the bottom. With well over 120 lb-ft just off idle, the torque climbs and holds steady right up to 4000 rpm where it registers peak horsepower at 114 hp. From there it signs off fairly quick, but don’t worry, shift up through the five-speed gearbox and hold on tight.

“The Roadster has the capacity to draw power from very low rpm,” agrees our Cruiser Editor, Bryan Harley. “Hitting an uphill switchback with the added weight of my wife as passenger, I was able to keep it in second gear despite dropping down to 1500 rpm, and it still had the torque to power back up without having to shift down. Impressive pull, with a very linear power delivery and broad powerband.”

It’s worth noting too, that with a curb weight of 809 lbs the Rocket has to carry an extra 120 lbs compared to the VMAX. Yet, in spite of the weight handicap, the British bike still blurs the roadside scenery at a brisk pace.



Considering their immense size and power outputs, neither engine exhibits much vibration – particularly when judged as performance cruisers (imagine the vibes from a 165-hp Harley – forget your fillings rattling out, your teeth would be gone!). With the Triumph’s monster Triple longitudinally mounted, we also expected the twisting force of its gyrating crankshaft to be far more noticeable. The sensation is there, particularly when revving hard at idle, but it’s not overpowering and less pronounced than what we recall even from the BMW Boxer or Moto Guzzi V-Twin. Triumph credits a contra-rotating balancer and shaft drive for the smooth operation.

Triumph tweaked its shaft final drive and clutch to match up with the up-spec engine performance. The VMAX is shaft driven as well and while these bikes are not as smooth as a chain or belt-driven motorcycle, neither shaft unit significantly hinders performance, though they felt a little more course when applying throttle in a corner (which you need to be very careful with, particularly aboard the VMAX.)

The Triumph and Star each sport a five-speed gearbox. Some testers noted the Star’s clutch engaged at the end of the lever, with a stronger pull required, but both bikes acquitted themselves well enough in this area. Our Cruiser Editor did note, however, that the Rocket III transmission felt more clunky than the silky-smooth gearbox on the British firm’s new Thunderbird Twin.

Ride safely. Most parents recite this and italian folks are no different,
so it's no surprise that the heart of the Streetfighter is Ducati's tried and tested liquid-cooled 1099cc L-twin engine as used in the 2008 Ducati 1098 superbike. The Streetfighter S however

is the first naked sport bike equipped with competition-level traction control as standard equipment. Accessible from the left-hand switchgear and displayed on the digital instrumentation, Ducati Traction Control (DTC) offers a choice of eight ‘sensitivity levels’, each one programmed with a wheel-spin tolerance matched to progressive riding levels of skill.

When activated, the system analyses front and rear wheel speeds to detect the level of wheel-spin, instantly evaluating the Streetfighter’s ‘dynamic situation’ before administering two types of interaction in varying amounts: ignition retardation and fuel injection cuts. DTC understands exactly how the Streetfighter is being used. From slow mid-corner acceleration with serious lean angle to high speed corner exits while almost upright, the intelligent system reacts according to each and every situation, enhancing performance and maximising control.


IntroductionThe Buell Lightning series is a family of motorcycles with a strong strain of American Streetfighter DNA. Packing a one-two combination of V-Twin muscle and innovative engineering, the Lightning is a motorcycle designed to excel in the real world, where torque trumps horsepower and credibility is earned on the streets and backroads.
Wide, flat handlebars and athletic ergonomics put the Lightning rider in control of any situation. A broad, V-Twin powerband means thrust is always just a twist of the throttle away. The Thunderstorm 1203 features electronic fuel injection and dry-sump oiling, and is equipped with the Buell InterActive Exhaust system, which utilizes a valve in the dual-chamber muffler that is controlled by the ECM and adjusts exhaust flow according to riding conditions to smooth torque delivery and optimize engine power.
A short wheelbase and stiff chassis – the pure application of the Buell Trilogy of Technology philosophy – produce a motorcycle that is agile and intuitively responsive to rider input. There are five Buell Lightning models for 2008.
BUELL BRIEFING - The History of a DreamAt the heart of any motorcycle purist, resides the soul of a dreamer. No matter how big or small, within each of us is a desire to color outside the lines and to dream the impossible. The difference though between the dreamers and achievers is the added ability to risk it all, and to not only reach your dream, but to never stop dreaming of more.
For most dreamers of the two-wheeled variety, having your namesake emblazoned on the fuel tank of an American built streetfighter motorcycle you spent years creating, massaging, failing, succeeding and more importantly dreaming of, would be reason enough to smile, sit back and call it a day. But for Erik Buell, the man behind this classic American success story, the dream has only just begun.
Case in point. On Feb. 19, 1998, Erik Buell completed the sale of almost all of his interest in the Buell Motorcycle Company to his business partner, Harley-Davidson, Inc. Harley-Davidson had been a minority partner in the Buell Motorcycle Company since 1993, and a behind the scenes player prior. As part of the acquisition, Erik was named Chairman and Chief Technical Officer Buell.
According to Erik, the acquisition was a strong signal of Harley-Davidson’s continued commitment to Buell as a separate and distinct product and brand. "I knew with Harley-Davidson’s expanded level of support, Buell could move forward with plans for growth which were nothing more than mere dreams before," Erik said.
The acquisition was yet another chapter in the remarkable story of Buell Motorcycles. It was major event in the life of company founder, Erik Buell, and a signpost along the ongoing 18 year dream of creating a world-class American sportbike.

BUELLOGRAPHY - It Starts with OneThe first motorcycle Erik designed and built under his company name ’Pittsburgh Performance Products,’ was the RW750 in 1983. This 750cc, two-stroke, "square-four," rotary valve racing machine was designed specifically to compete in the AMA Formula One road racing class. The first prototype RW750 hit the track for its debut that same summer in the AMA National at Pocono Speedway. Buell continued extensive testing and development work on the bike throughout the summer and into the fall. His success was measured during testing at Talladega, Alabama, where it was clocked at a top speed of 178 mph.
Development on the RW750 continued through 1984, and a production version was released in the fall. Just one RW750 was sold to the American Machinists Racing Team before the AMA announced that 1985 would be the last year of Formula One racing. Superbike would now occupy the premier race class in 1986, effectively eliminating any market for the RW750.
Crushing news as that may have been to lesser builders, Erik viewed the rule change simply as a setback. He went back to work, refocusing his dream and this time aiming squarely at the goal of creating the first world-class sportbike designed and assembled in the USA. Tapping his knowledge of what works on the racetrack and his experience as a Harley-Davidson engineer, Erik designed his first entry into the sportbike market, the RR1000. Powered by the Harley-Davidson XR1000 engine, the rigid and lightweight chassis incorporated a rubber-mounting design which became a patented engineering feature of Buell sport bikes.
Buell motorcycles also utilized the engine as a fully stressed member of the frame, and the use of a rear suspension mounted beneath the motor with a shock operating in reverse of conventional compression-rebound practice, capped off the first ever all-American sportbike. A total of 50 RR1000 models were produced under the name of Buell Motor Company during the 1987-88 season depleting the remaining XR1000 engines.
Erik saw the new 1203cc Harley-Davidson Evolution engine as an opportunity to continue.


Buell Thunderstorm 1203 V-Twin engine 103 peak hp @ 6800 rpm (per SAE J607) 84 ft. lbs. peak torque @ 6000 rpm (per SAE J607) Buell InterActive Exhaust New DDFI 3 Electronic Fuel Injection ECM New eight-row oil cooler with Jiffy-tite fittings Fully adjustable 43 mm Showa inverted fork Fully adjustable Showa rear shock absorber Buell ZTL front brake Goodyear Hibrex drive belt with Flexten Plus technology Dry Weight: 395 pounds Wheelbase: 52 inches Seat height: 28.6 inches New Cosmetic Frame Protectors New Pre-Wired for Accessory Heated Grips New Instrument Panel Graphics Pirelli Diablo T tires Available with Translucid bodywork Commemorative Buell 25th Anniversary badge

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