What's your KTM Duke 690 low-speed fueling fix?
KTM Duke 690—especially on earlier models—has a reputation for jerky throttle response and bad fueling at low speeds. However, this issue has been a complaint by many owners and has taken what would have been an otherwise enjoyable riding experience and has made that less enjoyable. The riders have proposed many solutions, from simple changes up to those that require more changes. There are some who swear by ECU remapping, others who prefer mechanical tweaks, and then others who like aftermarket parts. This is an interesting question to ask because this is a problem that Duke 690 owners have been trying to solve in different ways, and some of these solutions are better than others, while the others don’t work at all, and perhaps this would help other riders to improve the low-speed performance of their bike.
Performance intake and fueling dongle for Rottweiler. In low-speed handling, it's like night and day difference.
I just learned to live with it. After a while you get used to the bike's character, and you can work around the jerkiness. It's part of the 690's charm!
My 690 did wonders with a full exhaust system and a proper tune. It’s not perfect, but it’s a lot more manageable now.
On my 2014 model, adjusting the TPS (Throttle Position Sensor) helped a lot. It’s a bit fiddly, but definitely worth it.
I put a quick shifter on, and it actually made low-speed riding a bit smoother. It’s fun for faster riding, plus!
A larger rear sprocket made low-speed maneuvers easier. It gives up a bit of speed at the top, but it’s worth it for city riding.
The O2 sensor eliminator kit made a difference. It allows you to run a little richer, which rounds out the power delivery.
Regular valve adjustments keep the fueling in check, I found. Amazing how much it can drift over time.
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Discussions and Questions Whats Your Ktm Duke 690 Low Speed Fueling Fix
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