Bikesales Staff•25 Jan 2006
NEWS
High-tech R1 launched
Yamaha has released its fifth generation R1 locally and says the machine is bristling with high-tech goodies. Among the features is the company's fly-by-wire electronic throttle plus variable-length intakes.The latter can from 140mm in length for low-speed running down to 65mm for performance work. Owners of current R6s will recognise some of the features, which have transferred across to the bigger bike, such as the new 24 degree valve angle. We've also seen the company drop its trademark 5-valve heads for a four-valve design.
While having a reasonably familiar family look to it, the machine is a complete revision in technical terms and probably the most significant update since it was first released in 1998.
Here is the company's list of tech highlights:
ENGINE
New liquid-cooled 4-stroke in-line 4-cylinder engine
Bore x stroke 77 x 53.6mm
Higher 12.7:1 compression ratio
YCC-I (Yamaha Chip Controlled Intake) variable intake funnel – the first ever electronically-controlled motor-driven system on a production motorcycle
YCC-T (Yamaha Chip Controlled Throttle) electronic throttle
4-valve cylinder head design
Titanium intake valves
Redesigned combustion chamber
Slipper clutch
Reshaped dual upswept mufflers
High performance ignition coils
3-way catalyser with oxygen sensor
Closed-deck cylinder
Liner-less plated cylinder
FS (Fracture Split) connecting rods
More efficient Forced Air Intake system
Compact EXUP with titanium valves
New-shape twin-fan radiator CHASSIS
All-new Deltabox frame
Redesigned hybrid asymmetric swingarm
3mm higher swingarm pivot axis
New-design high-performance front forks
Higher specification rear shock with 2-way compression adjuster
High-rigidity lower triple clamp
High performance 6-pot front brake calipers
Lightweight 310mm diameter front discs
All new front cowl, seat and tail cowl
Increased air intake capacity
More efficient dissipation of heated air from engine
4-bulb dual headlights
LED taillight
New rear fender with separate licence plate holder
Tags
Yamaha
R1
News
Road
Written byBikesales Staff
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Please see our Editorial Guidelines & Code of Ethics (including for more information about sponsored content and paid events). The information published on this website is of a general nature only and doesn’t consider your particular circumstances or needs.
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