2018 KTM 690 Duke fuel tank shape has warped and the fuel filler neck gasket no longer seals the filler neck to the tank so that fuel spills out the top of the fuel tank. This same issue was addressed for the 2016-2017 model year KTM 690 Duke under the federal safety agency Campaign Number 17V388000. The result of this fuel leak is a potential fire hazard that could result in injury or death. This problem has not been confirmed by a dealer or independent service center and has not been inspected by the manufacturer, police, insurance representative or others. There were no warning lamps or messages associated with this problem. The main symptom of the problem is a strong fuel smell when near the motorcycle.
The worst 2018 Ktm 690 Duke problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Fuel system5
- Electrical1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Fuel system5
- Electrical1
Recalls 1
Power train: clutch assembly: slave cylinder
- What is wrong
- KTM North America, Inc. (KTM) is recalling certain 2018-2020 690 Enduro R, Vitpilen 701, 701 Enduro, 701 Supermoto, 2019-2020 690 SMC R, Svartpilen, 2018-2019 690 Duke, and 2020 701 Enduro LR motorcycles. The bellow-style gasket on the clutch slave cylinder may have been damaged during manufacturing, which could cause the clutch to become inoperable and not disengage when the clutch lever is pulled in.
- Risk
- An inoperable clutch increases the risk of a crash.
- Remedy
- Dealers will inspect the clutch slave cylinder and replace it if necessary, free of charge. Owner notification letters are expected to be mailed December 3, 2021. Owners may contact KTM customer service at 1‑888‑985‑6090. KTM's numbers for this recall are KTB2112 and HTB2110.
Recall number 21V792000 · Recall details
Technical service bulletins for the 2018 Ktm 690 Duke 2
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
What 2018 Ktm 690 Duke owners say
Most recent owner complaints, unedited.
The plastic fuel tank has warped at the bottom interface where the fuel pump assembly sits. As a result, fuel leaks between the fuel tank and gasket (which is no longer sealed against a flat surface). The fuel pump assembly sits immediately above the engine. Fuel that leaks will drip onto the engine and may ignite. Fuel ignition presents a significant hazard to the rider. This issue appears to be related to recall campaign number 17V388000, which affects the 2016 and 2017 models. This recall addressed a warping plastic tank that resulted in the fuel filler neck not sealing. My understanding is that there are very little to no material differences between the 2016-2017 and 2018 models, and therefore the problem of a warping plastic tank would be shared among the model years.
Fuel is leaking a steady drop from bottom of fuel tank.
The contact owns a 2018 KTM 690 Duke motorcycle. The contact stated after having ridden the motorcycle approximately 30 MPH and then returning to his residence; after parking the motorcycle, there was an abnormal gasoline odor detected. The contact noticed that gasoline was leaking between the fuel pump and fuel tank at the rear center underside. The gasoline started to form a puddle in the driveway. The contact stated there was no warning light illuminated. The contact had not taken the vehicle to a dealer or independent mechanic. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 900.
Gasoline had visibly leaked from the fuel filler cap on the plastic fuel tank. Liquid fuel and fuel vapors are freely exiting the tank. This presents an extreme fire risk. There is an active recall (the federal safety agency Campaign Number: 17V388000) for 2016-2017 production of the same model. This recall should be expanded to include the 2018 model year. I removed a few parts and inspected the filler neck to tank connection and found visible warpage. A photo is included with this report. I will be contacting a KTM dealer to report this when they are open.
Tl* the contact owns a 2018 ktm 690 duke. The contact stated while he was walking backwards to turn the motorcycle around with the gearbox in neutral and the clutch lever engaged, the motorcycle was started and the clutch failed causing the motorcycle to accelerate inadvertently. The contact shifted into neutral and turned off the motorcycle. Las cruces motorsports located at 2125 s valley dr, las cruces, nm 88005, (575) 216-5312) was contacted and informed of the failure. The mechanic stated that the clutch failed and needed to be replaced. The motorcycle had not been repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 1,051.*dt *js
Compare the 2018 Ktm 690 Duke
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Questions about the 2018 Ktm 690 Duke
Is the 2018 Ktm 690 Duke reliable?
Owners have filed 6 complaints about the 2018 Ktm 690 Duke, close to a typical 690 Duke model year.
What is the most common problem with the 2018 Ktm 690 Duke?
Fuel and propulsion system, with 5 complaints. Next is electrical (1).
How many recalls does the 2018 Ktm 690 Duke have?
1 recall, covering power train.
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