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KTM 690 LC4 Duke R
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. |
Make Model |
KTM 690 Duke R |
Year |
2012 |
Engine |
Four stroke, single cylinder, SOHC, 4 valves |
Capacity |
690 cc / 42.1 cu in |
Bore x Stroke | 102 x 84.5 mm |
Cooling System | Liquid Cooled |
Compression Ratio | 12.6:1 |
Exhaust | Stainless steel silencer with regulated catalytic converter |
Lubrication | Wet sump |
Engine Oil | Synthetic, 15W-50 |
Induction |
Generation Keihin EMS with EPT (Electric Power Throttle) |
Ignition |
Kokusan DC-CDI |
Spark Plug |
NGK LKAR 8BI - 9 (inside plug) NGK LMAR 7A - 9 (outside plug |
Battery | 12 V / 11.2 Ah |
Starting | Electric |
Max Power |
52.2 kW / 70 hp @ 7500 rpm |
Max Torque |
69.8 Nm / 7.1 kgf-m / 51.6 ft-lb @ 6550 rpm |
Clutch | APTC multi-disc wet clutch, hydraulically operated |
Transmission |
6 Speed |
Primary Drive Ratio | 36:79 |
Gear Ratios | 1st 14:35 / 2nd 16:28 / 3rd 21:28 / 4th 21:23 / 5th 23:22 / 6th 23:20 |
Final Drive Ratio | 16:40 |
Final Drive | Chain X-Ring 5/8 x 5/16" |
Frame | Chromoly trellis frame, powder-coated, aluminium sub frame |
Front Suspension |
WP Upside-down forks, 4357 ROMA |
Front Wheel Travel | 135 mm / 5.3 in |
Rear Suspension |
WP monoshock, 4618 with Pro-lever deflector |
Rear Wheel Travel | 135 mm / 5.3 in |
Front Brakes |
Single 320 mm floating disc, radially screwed four-piston brake caliper |
Rear Brakes |
Single 240 mm floating disc, single piston caliper |
Front Rim | Cast aluminium wheels 3.5 x 17" |
Rear Rim | Cast aluminium wheels 5.5 x 17" |
Front Tyre |
120/70 - ZR17 M/C 58W TL |
Rear Tyre |
160/60 - ZR17 M/C 69W TL |
Steering Head Angle | 63.5° |
Trail | 115 mm / 4.5 in |
Wheel base | 1466 mm / 57.7 in |
Ground Clearance | 192 mm / 7.6 in |
Seat Height | 835 mm / 32.9 in |
Dry Weight |
149.5 kg / 330 in |
GVWR |
350 kg / 772 lbs |
Engine Oil Capacity |
1.7 L / 1.8 US qt / 1.5 Imp qt |
Fuel Capacity | 14 Litres / 3.7 US gal / 3.1 Imp gal |
Fuel Reserve | 3.2 L / 3.4 US qt / 2.8 Imp qt |
Consumption Average | 4.2 L/100 km / 23.9 km/l / 56.2 US mpg / 67.5 Imp mpg |
Standing 1/4 Mile | 12.3 sec |
Top Speed | 202.9 km/h / 126 mph |
. |
Want to own a truly exotic motorcycle that makes you feel special every time you climb onboard, challenges you to ride to the limit of your ability and enables you to kick the asses of poseurs on porky sportsbikes? Then the KTM 690 Duke R is probably the bike for you.
Eschewing the standard Duke's falsely advertised 654cc, 64bhp engine in favor of an honest 690cc, 70bhp, 51.6lb-ft single-cylinder, the Duke R weighs just 148.5kg/327lbs (dry). That's still no where near the power to weight ratio of even a supersport 600, but it'll deliver that power in a typical single-cylinder all-at-once burst.
Get it right and that's just the thing for exiting a tight corner. The 'R' retains the WP suspension, but here the fork's all-black and the spring rates are slightly firmer front and rear. Visual changes include the orange frame, mostly white graphics, carbon fender, orange wheel stripes and blacked-out components.
Fitted with a single-cylinder 690cc engine that
pumps out 70 horsepower, the 690 Duke R isn’t exactly the most glamorous
motorcycle in the KTM line-up, but it could well be one of the most fun-to-ride
bikes anywhere. With its light weight (148kg dry), high-spec suspension and
slick six-speed gearbox, the little KTM is lean, lithe and sporty. Motociclismo
recently had the opportunity to test the bike and here are some excerpts from
what they have to say about the baby KTM:
The first KTM Duke 620 was launched back in 1994, primarily to meet the demand
for such a bike in France, where some riders had already started to convert
their motocross bikes into supermotards. The first Duke was one of the best
performing bikes in its class, something which still holds true today for the
latest 690 Duke.
With the 1999 Duke II, the 2008 690 Duke and the
2010 690 Duke R, the bike has become increasingly capable on the street and the
newest model also looks strikingly beautiful. KTM uses a somewhat similar recipe
with all its ‘R’ models – a slight increase in engine performance, uprated brake
and suspension components and, of course, that black-white-and-orange paintjob.
On the twisty Alpine roads on the outskirts of Nice, in France, the 690 Duke R
immediately feels very light and easy to ride. And it’s not just very agile –
it’s also very stable. With its stiff steel tube trellis frame, cast aluminium
swingarm and uprated front fork, the Duke R stays quite planted even at its top
speed of around 200km/h.
On bumpy roads with small patches of snow and ice, the Duke R doesn’t lose its
composure even at higher speeds. The brakes, too, work very well – the single
320mm disc with Brembo radial-mount four-piston callipers at the front, and
240mm rear disc offer so much stopping power that you actually need some time to
get used to these brakes.
The bike is comfortable to ride and the wide handlebars give you a lot of space
to move around. If it weren’t for the lack of wind protection, you could
actually use this bike for long distance trips.
For the Duke R, KTM have increased the displacement of their single-cylinder
engine from 654cc to 690cc and power output has gone up from 65bhp to 70bhp. And
yes, you can feel the difference – the new bike feels more responsive than the
basic 690 Duke. There’s still not much power up to 2,000rpm but things are
perfect once you cross that figure. The engine feels stronger and more rev-happy
than you’d expect a single-cylinder engine to be, and it doesn’t vibrate much
either. Honestly, you just can’t ask more of a machine with a 690cc
single-cylinder engine!
Any corrections or more information on these motorcycles will be kindly appreciated. |