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Yamaha YZF-R1
In late 2008, Yamaha announced they would release an all new R1 for 2009. The new R1 takes engine technology from the M1 MotoGP bike with its cross plane crankshaft, the first ever production motorcycle to do so. Crossplane technology puts each connecting rod 90° from the next, with an uneven firing interval of 270°- 180°- 90°- 180°. The idea of this technology is to reduce internal crankshaft torque, thus giving the new R1 a more linear power delivery. Yamaha claims the bike would give the rider 'two engines in one', the low end torque of a twin and the pace of an inline four. As with previous incarnations of the R1, the 2009 model keeps its YCC-T (Yamaha Chip Controlled Throttle). Another advancement included on the 2009 model was D-Mode Throttle Control Valve Mapping, which allows a rider to choose between three distinct maps depending on the rider’s environment. Each mode of operation controls YCC-T characteristics, changing how the R1 reacts to driver input. The first mode is Standard Mode, which delivers performance for a wide variety of driving conditions. The second mode is "A" mode which will give a rider more available power in the lower to mid RPM range. The third mode is "B" mode, which is a dial back of the previous mode, designed to soften throttle response in inclement weather and heavy traffic. D-Mode throttle control is controlled by the rider through a forward mode button near the throttle. The instrument panel is more comprehensive than previous models, and the 2009/2010 Yamaha YZF-R1 model now features a gear indicator as standard.
Overall handling of the R1 was improved through
several changes to frame and suspension. A new sub frame was designed for the
2009 R1, consisting of magnesium cast in a carbon fiber mold. This new subframe
offers a superior strength-to-weight ratio, while helping keep mass closer to
the center of gravity, and subsequently gives the bike greater handling
performance. The rear shock absorber on the 2009 offers variable speed damping,
as well as an easy to tweak pre-load via a screw adjustment. The rear shock now
connects underneath the swing arm through a different linkage; a change from
previous years' models. Front suspension takes its cues from the M1 as the left
fork handles compression damping while the right controls the rebound duties. To
improve overall handling and safety, this is the first year Yamaha developers
included an electronic steering damper on a production R1.
ALL NEW FOR 2009
* The R1 features Yamaha D-MODE (or drive mode) with rider-selectable throttle
control maps to program YCC-T performance characteristics for riding conditions.
The standard map is designed for optimum overall performance. The “A” mode lets
the rider enjoy sportier engine response in the low- to mid-speed range, and the
“B” mode offers response that is somewhat less sharp response for riding
situations that require especially sensitive throttle operation. Switching maps
is as easy as pushing a button on the handlebar switch.
Engine:
* Slipper-type back torque-limiting clutch greatly facilitates
braking/downshifting from high speed.
Jorge Lorenzo impressions
‘I am not accustomed to these types of tyres on a
bike with so much power and I normally do not ride this type of bike. But with
regard to streetbikes – and I have ridden the last three or four years’ R1s –
the bike has improved dramatically at all levels.’
Riding impressions
‘All you need to know is, the new engine has
transformed the R1 into one of the best sportsbikes I’ve ever ridden, and that’s
praise indeed when you consider just how good the current Honda Fireblade is,’
says Michael Neeves at MCN. ‘Revving the engine for the first time, it’s hard to
comprehend just how quickly the rev needle dances around the dial; it spins more
like a two-stroke 500cc GP machine than a litre-sized road bike,’ he adds.
‘Overall, the feeling of the engine truly is hard to describe as is the distinct
sound. You still get the sense it’s an inline-four once the revs build high, but
in the low rpm it feels almost like a well-tuned V-twin race bike, and in a way,
sounds like one as well. Vibration is far from what you are used to as well,
feeling somewhat like a traditional V8 car. The most amount of disturbance is
right off idle low in the rpm, smoothing out as revs increase and becoming
almost nonexistent at top-end – completely opposite of any inline-four we have
ever ridden. Strange initially, but one quickly gets used to it,’ says Atlas.
Unleash The Spin Doctors
2009 Yamaha YZF-R1 Highs & Lows
True MotoGP technology and affordable
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Any corrections or more information on these motorcycles will be kindly appreciated. |