Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
KTB2513
Service Bulletin/Repair Instructions
KTM North America, Inc. has determined that a defect which relates to motor vehicle safety exists with certain model motorcycles listed above pertaining to the engine control unit software. An issue with the originally installed engine control unit software may cause the engine to stall at low rpms. A loss of engine power increases the risk of a crash which could cause injury to the rider or others and/or damage to property. To remedy this defect, it is necessary to install the updated engine control unit software on all affected motorcycles.
KTB2512
Service Bulletin/Repair Instructions
KTM North America, Inc. has determined that a defect which relates to motor vehicle safety exists with certain 2024 250 DUKE, 390 DUKE and 990 DUKE motorcycles. Due to material deviations, small cracks may occur on the fuel tank cap seal. This can lead to the possibility of fuel leaking from the fuel cap. For this reason, the fuel tank cap seal on all affected motorcycles must be replaced with the improved fuel tank cap seal (p.n.96307008020).
KTB2405
Service Bulletin/Repair Instructions
HOW TO DISTINGUISH BETWEEN THE VERSION 1 (V1) AND VERSION 2 (V2) STARTER DRIVE Due to an ongoing change in the model year, there are two variants of the starter drive on the affected model (see Fig. 1). On the following pages the distinguishing features will now be detailed and there will be an explanation of how the two variants are presented in the spare parts catalog.