3 years ago

SpeedZar Services Presents;
2021 KTM 890 Duke
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Being the new down-spec model, we’re a little surprised The Scalpel, as it’s referred to (not to be confused with the 890 Duke R’s Super Scalpel moniker), isn’t too far removed from the 890 Duke R. Though there’s a clear difference from the 790 Duke.

We’re talking, of course, about the bigger 889cc parallel-Twin LC8c engine we first saw with the 890 Duke R. If you’re new to Motorcycle.com, then you should know we’ve covered the 890 Duke R extensively in the past, first with 6 Things You Need To Know about the bike, then a First Ride Review, followed by a track comparison between it and the Boss’s own 790 Duke he converted into his own interpretation of what a 790 Duke R should be. After riding the 890 Duke R, however, Bossman Brasfield admitted how good it was (it is our 2020 Motorcycle of the Year, after all), but swore (and still does) that he’s happy with his 790 buying decision. The rest of the staff has their doubts…

Nonetheless, there’s no getting around the fact that the standout feature of the bigger Duke is its 890 engine. In non-R form, KTM says it’ll deliver 115 hp and 68 lb-ft (92 Nm) of torque – 10 horses more than the 790 and 3.6 lb-ft more torque. Bore and stroke are bigger than the 790, and even though the pistons are therefore larger, they are lighter than the 790 pieces. Moving to the cylinder head you’ll find four valves per cylinder, dual overhead lightweight camshafts, one spark plug per cylinder, DLC-coated finger followers, steel valves, and a hydraulic cam chain tensioner. Redline is also higher – 10,500 rpm vs. 10,000 on the 790. The result is an athletic engine that delivers 60 lb-ft of torque from as low as 5500 rpm, a real benefit in real-world street riding applications.

In fact, the engine is unchanged from the R model, so if you want to take a deep dive into it, click on the 6 Things article above to read all about it. One of the 790’s strong points was its gearbox, and much of that same architecture remains on the 890 Duke. For 2021 lighter spring action and shorter lever travel makes it easier and faster to change gears. Or you can check the Quickshfiter+ box on the options sheet for clutchless shifts in either direction. KTM says its settings have been revised and improved. Hopefully, this means the dreaded shifting weakness we experienced with the 890 Duke R has been resolved.

The subframe is a trick cast aluminum piece that houses the airbox, suspends the rider, and doesn’t require any additional bracing to maintain its integrity – that’s all already built-in. Since the 890 Duke is meant to be more street-friendly, seat height is lowered to 32.2 inches (from 32.8 inches on the R model).

As part of the lower-spec of the 890 Duke the WP Apex suspension features a non-adjustable 43mm fork with linear springs in front and Apex shock in the rear with a lighter, linear spring and adjustments for rebound and spring preload. The fork has an added base valve for better high-speed damping. Cast aluminum triple clamps allow for four different handlebar mounting positions to suit a variety of riders and riding styles. The bar is 30 inches wide.

Of course, the standard model couldn’t retain all of the hardware from the R model, and we see that in the braking department. Like the 790 Duke, brake discs are 300mm (compared to 320mm on the R model), and the Brembo calipers from the R are gone, too, replaced with new, KTM-branded J.Juan calipers. More aggressive brake pads improve brake feel. The 890 Duke uses cast wheels, but they are now fitted with Continental ContiRoad tires instead of the Michelin rubber used before.

Starting Price $10,999
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