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KTM 690 Duke

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The KTM LC4 engine is a single-cylinder work of art, but it is not without its faults. One the more well-known issues with the 690cc thumper is its slave clutch design, which is prone to failure and leaks.

For anyone who has experienced the issue (including this author), it is a less-than-fun situation when the clutch system loses pressure and fails to disengage, but KTM has finally acknowledged the issue, and has begun a worldwide recall of KTM and Husqvarna motorcycle that feature the design.

If I said that there was an 81hp track bike that weighed less than 280 lbs ready to race, would that be something you’d be interested in? If so, say hello to the Krämer HKR EVO2, a purpose-built track bike from Germany.

Built around KTM’s 690cc single-cylinder engine, which is found in KTM 690 Duke and Husqvarna’s 701 series of bikes, the Krämer HKR EVO2 features a bespoke steel-trellis chassis, custom bodywork, and a host of top-shelf components.

The real tasty part about the Krämer HKR EVO2 though is the attention to detail and the purposefulness of its design – take for instance the 12-liter XPE plastic fuel tank that doubles as a subframe, which has integrated crash sliders, and a sighting hole for easy adjustment of the rear shock damping.

Up-close, the build quality is excellent and the bike feels incredibly light. Oddly enough, the riding position is even comfortable for riders over six-feet in height, and as such we are itching to get some ride-time in the coming weeks.

Owners for 2016 and 2017 model year KTM 690 Duke motorcycles should take note, as the National Highway Traffic Safety Administration (NHTSA) has issued a recall on the popular hooligan machine because it may leak fuel from its filler cap on the fuel tank.

The recall affects 718 units in the United States, but in documents to NHTSA, KTM says at this time it does not have a remedy for the problem, and that such a remedy could take up to 120 days to create.

Presumably, this would then bar KTM from selling any 690 Duke models in the United States until a fix can be made.

Just a month ago, KTM issued a worldwide recall on its Adventure bikes because the ABS modulator and wiring harness could potentially come into contact with each other. Now, the same issue is hitting the KTM 690 Duke, and affects the bikes from the 2012-2016 model year.

As was the case with the previous recall, if the ABS modulator and wiring harness come into contact, and the wiring harness becomes frayed, it could cause an electric charge to be conducted through the ABS modulator, which would eventually overheat and melt the unit.

This can obviously lead to the brakes failing, and as such KTM dealers are being advised to inspect the routing of the wiring harness, and if necessary take corrective measures. A securing grounding cable will also be installed.

The Husqvarna 701 Supermoto and Husqvarna 701 Enduro will be getting an update for the 2017 model year, with both bikes receiving the updated 690cc single-cyliner engine that is currently found in the new-generation KTM 690 Duke.

The biggest highlight of the new engine is its secondary balancing shaft, which reduces vibrations to the rider, and also allows the big thumper to rev higher and thus create more power.

This means that the 2017 Husqvarna 701 Supermoto will have 74hp (+6hp), as well as 52.6 lbs•ft of peak torque (+4.4 lbs•ft) – a modest gain for this already stout package.

The KTM 690 Duke has always been a fun street bike, with a fair amount of power wedged into a relatively light package. For 2016, the KTM 690 Duke learns some refinement though, most notably with an engine overhaul that drops the buzz from the motor, and adds power to the dyno chart.

This comes about as the 690cc LC4 engine gains a secondary balancing shaft, a new crankshaft, and lighter pistons and connecting rods. All these changes come with a new cylinder head that has the exhaust valves on roller rockers, and the intake valves on the camshaft.

The result is that the 2016 KTM 690 Duke gets a modest power gain – a 73hp peak horsepower figure – and a powerband that is 1,000 rpm wider than before.

KTM is pulling the interesting move of only alerting certain outlets to the fact that the Austrian company will be bringing updates to the KTM 690 Duke for the 2016 model year. Regardless of that alienating choice, the facts remain, and we’re here to give you the details of their new models.

As such, expect to see the 2016 KTM 690 Duke to get a power boost, roughly to the tune of 73hp @ 8,500 rpm (up 1,000 rpm over the previous model), with peak torque also getting a boost of roughly 6%.

This increase in power comes about partly to internal changes, which include a larger bore and shorter stroke. These give that 690 Duke a very slight displacement increase of 3cc, for 693cc in total.

The spy photographer who sent us these photos calls this mystery motorcycle a “Husqvarna 701 café racer” which honestly is as good of a guess as any when it comes to figuring out what the Swedish brand is doing with this machine, and its 2016 motorcycle lineup.

Based off the KTM 690 Duke, as is the Husqvarna 701 Supermoto, this machine promises to have a 70hp thumper at its heart, mixed with a short seat-height, clip-on handlebars, underslung exhaust, and an attractive trellis swingarm.

To our eye, the motorcycle in question looks like Husky’s take on the KTM 690 Duke – a naked street bike that’s equally at home in the city as it is in the twisties – more than it does a café racer.

KTM is shaping up to be the brand of 2013. Surpassing BMW Motorrad in outright unit sales, and becoming the largest motorcycle brand in Europe, zie Austrians have been on a tear with their small-displacement machine strategy. Most of that move has been buoyed by KTM’s partnership with Bajaj, which in-turn owns a very sizable minority stake in the Austrian company, but KTM also has been making other moves as well, like the acquisition of Husqvarna by CEO Stefan Pierer and his company Pierer Industrie AG.

Surprisingly, what has been occurring in KTM’s boardroom is almost overshadowing what is occurring in the company’s model line-up, with the KTM 1190 Adventure set to finally come to the USA later this year, almost a year after its European debut, as well the upcoming release of the KTM 390 Duke and its sport bike and adventure variants. Perhaps lost in the wash is the 2013 KTM 690 Duke, which is a new machine for the US market this year.

A single-cylinder hooligan-maker, the KTM 690 Duke is 330 lbs (curbside without fuel) and 67hp of two-wheeled fun, and we hope that the Austrians bring the KTM 690 Duke R our way as well. While we are on the topic of things missing from KTM’s American line-up, a decent supersport is painfully obvious, yet we can’t see the folks at KTM following the paths of other brands. That’s where our friend Luca Bar comes to mind with his latest concept: the KTM RC4.

The following news from KTM USA today might shock you, but the KTM 690 Duke is headed to America’s favorite democracy in 2013. That’s right, the previously available everywhere but here model is coming to North America (both the US and Canada), much to the surprise of A&R…and just about everyone else. KTM isn’t talking dollars yet, though it says that the KTM 690 Duke will be competitively priced in its North American markets.

Assuming the US model is the same as the European version, we can expect that 90% of the bike is completely brand new from the previous iteration of the 690. Accordingly, at the heart of the 2013 KTM 690 Duke is a 690cc LC4 single-cylinder thumper that puts out a crushing 67hp and 51 lbs•ft of torque, while the whole motorcycle package weighs only 330 lbs (without fuel) at the curb.