NHTSA ID Number: 10190961
Manufacturer Communication Number: KTB2107
TSB/Document Date: 2021-04-26
Summary
It is possible that on the models listed above that the silencer clamp was positioned incorrectly during assembly and must be checked to verify that it is positioned correctly. If it is not positioned correctly it must be adjusted and corrected. On affected VINâs if the silencer clamp is mounted incorrectly as shown in Fig.1 the clamp may come in contact with the protective sheathing on the rear brake line, the brake hose
bracket or the swingarm during heavy compression of the suspension and with excessive payload. Please check that the clamp is mounted correctly as shown in Fig.2 at the transition between the presilencer and silencer.
KTB2107 KTM
TECHNICAL BULLETIN - USA
APRIL 23, 2021
SILENCER CLAMP INSPECTION
AFFECTED MODELS:
2021 890 ADVENTURE
2021 890 ADVENTURE R
2021 890 ADVENTURE R RALLY
RESTRICTIONS: AFFECTED MODELS ARE LINKED BY VIN IN KTM![]()
DEALER.NET
INITIAL INFORMATION:
It is possible that on the models listed above that the silencer clamp was positioned incorrectly during
assembly and must be checked to verify that it is positioned correctly. If it is not positioned correctly it
must be adjusted and corrected.
On affected VIN’s if the silencer clamp is mounted incorrectly as shown in Fig.1 the clamp may come in
contact with the protective sheathing on the rear brake line, the brake hose
bracket or the swingarm
during heavy compression of the suspension and with excessive payload.
Fig.1 - Incorrectly mounted clamp
Fig.2 – Correctly mounted clamp
COPYRIGHT NOTICE: The user acknowledges that all components of this technical information are KTM
’s and/or third parties’ copyright protected
property. Alteration, assignment, distribution and reproduction are forbidden.
LIMITATION OF LIABILITY: The information included in or available through this technical information may include inaccuracies or errors. In no event
shall KTM
and/or its suppliers be liable for any damages whatsoever, arising out of or in connection with the use of this technical information. Please
always refer to the KTM
owners and repair manuals for proper instructions or contact the KTM
Dealer Services Department.
KTM
NORTH AMERICA, INC.
38429 Innovation Court // Murrieta, CA 92563
1119 Milan Avenue // Amherst, OH 44001
8701 Rue Samuel-Hatt // Chambly, QC J3L-6V4
www.ktm.com
1
DEALER SERVICES DEPARTMENT © 2021 KTM
North America, Inc. – All rights reserved
Please check that the clamp is mounted correctly as shown in Fig.2 at the transition between the
presilencer and silencer.
KTB2107 KTM
TECHNICAL BULLETIN - USA
APRIL 23, 2021
PROCEDURE FOR REPAIR:
1. If the silencer clamp is positioned incorrectly loosen the screw, take clamp off and reposition the clamp to
the position that is shown in Figure 2 and reinstall the screw.
Table 1 – Screw connections and torques
WARRANTY INPUT INFORMATION:
This Technical Bulletin only affects certain VIN numbers! Please check the VIN by performing a
Motorcycle History search in KTM
Dealer.net to determine if it’s affected. If the motorcycle is affected,
you will see a link to the bulletin and its repair status in the history results. KTM
North America will not
warranty units whose VIN numbers are not linked as this bulletin does not apply to them. It is the
responsibility of the dealer to determine if the unit requires this update by checking the vehicle history
and understanding the instructions provided by this bulletin.
Please note that when entering a warranty claim on an affected model, you must perform a vehicle history
search, expand the Technical information window and click the orange arrow on the right side of the
corresponding bulletin message.
You can now choose the TI Number from the list. The TI number for this procedure is according to the repairs
performed and listed in the warranty claim input information; click Continue with selected action code.
The Warranty Claim is automatically entered for you, including parts & labor. You must enter additional
information in the required fields marked with an asterisk “*” before submitting the claim to KTM
. The flat rate
time for this repair is based on the action performed and provided in minutes.
Warranty type:
TI warranty
DEALER SERVICES DEPARTMENT © 2021 KTM
North America, Inc. – All rights reserved
Component group:
05 – Exhaust system
Failure code:
900 – Failure identification by manufacturer
Failure causing part:
63605058000 – Exhaust clamp tube, 50 mm
Campaign code, parts, labor time:
Checking the silencer clamp
Action code:
05_1822046_00
Labor time:
10 minutes
Parts:
None
Are stock items affected: NO
COPYRIGHT NOTICE: The user acknowledges that all components of this technical information are KTM
’s and/or third parties’ copyright protected
property. Alteration, assignment, distribution and reproduction are forbidden.
LIMITATION OF LIABILITY: The information included in or available through this technical information may include inaccuracies or errors. In no event
shall KTM
and/or its suppliers be liable for any damages whatsoever, arising out of or in connection with the use of this technical information. Please
always refer to the KTM
owners and repair manuals for proper instructions or contact the KTM
Dealer Services Department.
KTM
NORTH AMERICA, INC.
38429 Innovation Court // Murrieta, CA 92563
1119 Milan Avenue // Amherst, OH 44001
8701 Rue Samuel-Hatt // Chambly, QC J3L-6V4
www.ktm.com
2
- Nickel-copper alloy is very flexible making for super easy...
- Corrosion and Rust Resistant: Copper-nickel alloy resists...
- SAE and ISO Certified: This tubing is tested and verified to...
- Complete Kit with 16 Inverted Flare Fittings: Includes 25 ft...
- Ideal Replacement for Steel Brake Lines: Copper-nickel brake...
- PACKAGE INCLUDE - MuHize Brake Line Kit Replacement with...
- SUPER EASY BENDING & FLARING - MuHize brake lines are easy...
- HIGHER QUALITY - MuHize brake lines are made with unique...
- WIDELY APPLICATION - MuHize 3/16 brake line tubing kit...
- PROFESSIONAL - MuHize focus on outstanding features and...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: KTB2107
Replacement Service Bulletin Number:
MFR Communication Date: 2021-04-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS
, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA
AutoAuth: Now supports FCA
SGW module for Chrysler
, for Jeep
, for Dodge
(2018+), for Fiat
(2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for Ford
, for Lincoln
, and for Mazda
ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order - 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABS
Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABS
Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first - Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW
, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford
, for Mazda
, and for Lincoln
. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase - OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS
/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS
/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities. - 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS
Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming. - 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.




