KTM 390 Duke 2013-2016 Service Manual

Bennetts' own detailed used-buying guide confirms exactly what genuinely set this original engine apart from its smaller-displacement siblings in KTM's range: "unlike the 200, which is basically a big-bore 125, KTM gave the 390 a ground-up new engine." That same review is refreshingly candid about the real character of this first-generation platform: "producing 44bhp with 25.8lb-ft of torque, the 390 Duke is quite a spirited performer but it does thrive on revs and ideally you need to be above 6000rpm to get the motor singing. Do this and it is more than fast enough with 100mph achievable given a bit of a run up. While it can be ridden at lower revs thanks to the single's low-end torque, the throttle response on this first generation isn't great and it can be a bit snatchy when you are getting back on the gas, which is a shame, but it doesn't really spoil the party too much."

Power comes from a 373.2cc (398.6cc per Wikipedia's own confirmed sub-model specification) liquid-cooled single-cylinder four-stroke engine, a 89mm x 64mm bore and stroke, and a 12.6:1 compression ratio, delivering a claimed 44 hp at 9,500 rpm and roughly 26 lb-ft (35 Nm) of torque at 7,250 rpm through a genuine 6-speed transmission with wet clutch and X-ring chain final drive. Wikipedia's own confirmed launch timeline notes the bike "debuted at the 2012 EICMA show in Milan, Italy, and went on sale in India and the Philippines in 2013 and in the US in 2015" — a genuinely staggered global rollout worth knowing, since American buyers didn't have access to this exact first-generation model until two full years after it launched in its home markets.

Wikipedia's own confirmed chassis specification lists a tubular steel trellis frame with a 43mm WP telescopic fork (150mm travel) up front and a monoshock rear end, braking through a 300mm front disc with a four-piston radial ByBre caliper (a genuinely smaller rotor than the 320mm disc fitted from 2017 onward) and a 230mm rear disc, both with standard ABS. That same source confirms this exact first-generation configuration ran a 25-degree rake with 100mm of trail, a 1,367mm (53.8-inch) wheelbase, and an 800mm (31-inch) seat height — genuine baseline dimensions that autoevolution's own account confirms changed with the 2017 redesign: "a larger front brake disc, a modified headlight converted to LED, a TFT display with phone pairing capability, increased seat height, smaller wheelbase, manually-adjustable brake and clutch levers, larger fuel tank, and a ride-by-wire system" — real confirmation that this earlier 2013-2016 range predates all of those specific upgrades and runs a genuinely simpler, cable-throttle setup with a smaller, non-touchscreen instrument display.

Bennetts' own long-term ownership assessment confirms one genuinely specific electrical quirk worth knowing on this exact generation: "watch out for alarms, not many have them fitted but the Duke's battery is quite small and older alarm systems and small batteries often end up becoming quite a nuisance unless you use the bike regularly or stick it on a charger to keep the battery topped up." An MCN-collected real owner testimonial confirms genuine long-term satisfaction with this platform: a rider who bought a 2014 model in 2015 and sold it in 2018 after 23,000 km reported the bike "put a huge grin on my face over and over and over and taught me a lot more about motorcycling overall," while flagging the digital dash as "the worst feature of this bike. Next to impossible to use any of the functions without recourse to the user manual." Bennetts' own review confirms this generation's genuinely strong residual value: "with used prices now plateauing, it is unlikely you will lose much cash should you own one for a year or two and then decide to sell it on."

This factory service manual covers the procedures, torque specs, and diagrams needed to keep a 2013-2016 390 Duke running the way it was built to.