2008 Aprilia SL 750 Shiver Twin Road Test Rider Magazine

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Aprilia Shiver 750

2008 Aprilia SL 750 Shiver Road Test

Photo Scott A. Williams


November 5, 2008

The Aprilia is Aprilia’s first middleweight a product of its plant in Noale, This factory has already as the birthplace of the Tuono and RSV models, and scooters, but in the past Aprilia had buying its motors from Now that it has become part of the Group, Aprilia is building of its own motors, including the Shiver’s 90-degree V-twin.

With a and … of 92 x 56.4mm, this design indicates an engine makes its power and peak at relatively high rpm; its overhead cams actuate its valves per cylinder through a of gears and chains. This design also enables to use this platform as the basis for motors in various displacement in the future.

The Aprilia SL 750 is a tight its muscles densely packed its steel trellis frame, led by a headlight above that male-slider fork and followed by an swingarm with reinforcing The Shiver’s sporting orientation is from its engine, frame, and styling. Still, its raised, handlebar and high seat do not the rider to the extreme leaned-forward, seating position so common to street-ready racers.

Climb and the Shiver presents an orange-and-silver (the only color available in the United States for and an LCD display with the analog and digital speedometer.

Twin mufflers tuck up the seat. Wait, those that nose—isn’t that a from Wall-e?

With a height of 31.9 inches the will be most welcome to of the long-inseam persuasion. Unlike other bikes, though, how it’s going to be and how much it’s going to generate you twist the throttle will upon which electronic you select for it. Until recent when the rider rotated the twist-grip, this motion cables that physically and closed the butterfly valve(s) in the

In recent years, that connection in both automobiles and has been replaced by electronics read throttle position and do the opening and closing instead, upon a number of parameters. And not a bad thing. With the old cable-actuated there were always problems when the engine was so the rider had to manipulate a choke or idle control.

And whenever the pinned the throttle, it could so much raw gas into the system as to stuttering and hesitation-not to mention gas, increasing emissions and hard on parts. Advances as electronic fuel injection largely eliminated those problems.

Hit the starter button and the immediately settles into the rap of a staccato V-twin idle, and is where things get interesting. The “ride-by-wire” throttle control incorporates three modes: Touring and Rain. With the running and throttle closed, the can access these modes in on the fly by (get this) pressing the button quickly twice in

At this point the system through the selections and the appropriate S, T or R will appear in the LCD instrument Any of the three modes can be accessed you’re riding down the

The letter “R” to the left on the digital indicates that the Shiver is in Rain mode.

Aprilia this as an electronic accelerator system. To do its work it feeds variables as engine rpm, selection, speed of throttle engine operating temperature and atmospheric pressure through a set of to the ECU.

In an instant it reads electronic “maps,” calculates it believes to be the optimal throttle by balancing rideability and performance then selects one and sends a to the injectors to squirt in the proper of fuel. According to Aprilia, the and torque curves are the same in the and Touring modes, and only the response, the “feel,” is changed.

I set the in Sport mode, let out the clutch (the friction zone is narrow) and the bike leaped the exhaust note seemingly than in the other modes; the can feel the power right off the end. Shifting is light just a slightly longer than expected, clutch is moderate and both levers are

Take the Shiver up through the and there’s torque everywhere, a hit throughout the rev range and the bike like a sporty 750 with a bit of lethargy. Calibration is overly in the Sport mode, however, as in what seemed like a amount of throttle results in a amount of fuel than

Even the slight movement by traversing a series of bumps can intermittent lurching, making it to modulate the throttle precisely. We detected minor surging in the mode. Unless we were attacking the turns, we learned to flip the Shiver into mode (where we spent the majority of our riding time) minimized this problem.

the Aprilia’s exhaust note a little flatter, the engine up a bit more slowly and that hit in acceleration is diminished, but still enjoyable.

A compact engine, frame and easy access contribute to mass centralization.

a short wheelbase of 56.7 and rake/trail figures of 25.7 inches the Shiver is obviously to be a quick handler. Not only is the extremely smooth (a 90-degree offers perfect primary but torque is abundant all the way through its rev to its 10,000-rpm redline.

The most of the three settings is Rain, as selected it feels as if the bottom had dropped out of the Shiver’s power This mode is designed to unwanted wheelspin during traction situations, and suddenly much less torque in other modes-you’ll need a bit throttle to get away from a start. While our dyno showed peak horsepower as at 9,200 rpm in Sport mode, claims a peak of only 62 in Rain mode, and states peak torque is likewise by 5-12 lb-ft throughout the rev

We also found that, below 6,000 rpm, the throttle abruptly in fifth or gear (as if you wanted to pass downshifting) produced only acceleration. Out here in Southern we did not have an opportunity to ride the in the rain (oh, darn!), but our indicates that in Rain there’s not much chance of traction under normal

Twin radial-mounted, four-piston are powerful and provide good

Aprilia Shiver 750

Aprilia fitted the Shiver appropriate radial-mounted four-piston calipers on the front, hugging a of 320mm stainless floating the same used on the RSV and the Tuono. The single-piston caliper embraces a disc, braided steel are used all around, and braking at both ends is solid, and predictable.

The Shiver’s bar and pegs the rider into a light that, combined with a that really blends with cushion, I was able to on a brisk 200-mile ride needing to shift around for a comfortable spot. And the windblast become near as tiring as it have been on a bike offered a more upright position.

That dual-parabola headlight the Shiver a unique style, yet insectlike.

Out in the twisties in the Sport the Shiver feels taut, the strong, its quick turning somewhat by its height and weight. Of by being tall there’s no with cornering clearance. torque propels it out of turns, and triple discs haul it down with precision.

that wide bar and sculpted it’s easy for the rider to off, get a knee out and lever the through turns. The Shiver’s non-adjustable male-slider fork is adequate for the usual haring but its side-mounted shock absorber there to create more for the mufflers) is less so.

It offers preload and rebound damping only (which are easily but action is harsh over bumps, and we would have less compression damping. Its Sportmax Qualifier tires, a front and 180/55-ZR17 rear, tenaciously and offered good

Because of the plastic cover on its tank the Shiver will a strap-on tankbag. It returned a 46 mpg average in Rain mode, and mpg overall. On our scales, the Shiver the numbers spinning to 486 pounds which explained why the bike quite as responsive as we’d

Though we haven’t tested any 750 sportbikes recently, earlier year we did test the somewhat Ducati 695 Monster and Triumph 675 Triple, which weighed in at 419 and 420 respectively.

The Aprilia Shiver has a raw, look with lots of angles.

Nits to pick? The is so long that it stands the relatively upright and could be when parking in windy Also, the stand’s tang is so close in that it requires a ankle bend to deploy. But we’re not complaining.

The SL 750 Shiver a lot of performance and value for its $8,999 tag, and is darn fun to ride! a sportbike upon which one can comfortably travel, and that’s a lot.

Ride-by-wire technology that in the Shiver can smooth off the edges and make power more controllable and economical. We do without that throttle and surging, of course, but even so, the is a ball to ride!

2008 SL 750 Shiver Twin Spec

Bore x Stroke: 92.0 x

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