Service bulletins for the 2020 Triumph Bonneville Speedmaster
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
98 on file from NHTSA, as of 2026-10-19.
By type
By component
| SMT-COM07-22SEPT | 2020-10-19. Service bulletin. EQUIPMENT. Dealer notice reminding of the new California Prop 65 regulation. |
|---|---|
| SMT-COM02-05AUGU | 2020-09-14. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. Dealer notice advising a build specification made to the radiator of the modern classic range. |
| SMT-COM02-14APRI | 2020-05-18. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2020-05 and dealers should begin using it immediately. |
| SMT-COM09-25MAR2 | 2020-04-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Diagnostic software 2020-4.3 available and dealers should begin using it immediately. |
| SMT-COM07-17MAR2 | 2020-04-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Technical Bulletin 207. |
| SMT-COM06-17MAR2 | 2020-04-13. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2020-4.2 available and dealers should begin using it immediately. |
| SMT-TB206-06MAR2 | 2020-04-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Technical Bulletin 206 provides instructions that applies to Electronic Systems Commissioning and Motorcycle Unlocking, Triumph Diagnostic Tool - Internet Connection and Minimum Equipment Requirement. |
| SMT-COM03-19FEB2 | 2020-03-16. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2020-3 and dealers should begin using it immediately. |
| SMT-COM02-18FEB2 | 2020-03-16. Service bulletin. EQUIPMENT. Dealer notice announcing the auto-issue of three new service tools. |
| SMT-TB201-20DEC2 | 2020-01-21. Service bulletin. POWER TRAIN; ENGINE; ELECTRICAL SYSTEM; STEERING; EQUIPMENT. Technical Bulletin 200 provides instructions that apply to Steering Lock and Keys, Neutral Position Adaption, Triumph Diagnostic Tool - End of Support for Microsoft Windows 7®, Triumph Diagnostic Tool - Internet Connection and Minimum eEquipment Requirement, Torque Change, Clutch Cable, Camshaft Frame Installation, Immobiliser Antenna Wire Routing. |
| SMT-COM07-20DEC2 | 2020-01-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Technical Bulletin 201. |
| SMT-TB200-20DEC2 | 2020-01-21. Service bulletin. POWER TRAIN; ENGINE; ELECTRICAL SYSTEM; WHEELS. Technical Bulletin 200 provides instructions that apply to Camshaft Cover Tightening Sequence, Replacement Keyless ECM Setup Process, Pin Point Test - ABS Modulator Communication, Cylinder Head Oil Jet, Owners Handbook Correction - Instrument Functionality, Keyless Ignition, Torque Change, Windscreen Fixings, Front Wheel Speed Sensor Routing. |
| SMT-COM06-20DEC2 | 2020-01-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing the availability of Technical Bulletin 200. |
| SMT-COM03-16DEC2 | 2020-01-21. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2019-8 and dealers should begin using it immediately. |
| SMTCOM0225NOV201 | 2019-12-16. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2019-7 and dealers should begin using it immediately. |
| SMTCOM0113NOV201 | 2019-12-16. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2019-6 and dealers should begin using it immediately. |
| SMT-TB197-18OCT2 | 2019-11-18. Service bulletin. STEERING; ELECTRICAL SYSTEM. Technical Bulletin 197 provides instructions that apply to Alternator Cover Installation - Addition of Sealant, Steering Head Bearings - Adjustment, Gear Change Selector Mechanism Kit and Fork Seal Cleaner. |
| SMT-COM03-18OCT2 | 2019-11-18. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Technical Bulletin 197 & 198. |
| SMT-COM02-18OCT2 | 2019-11-18. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2019-5.1 and dealers should begin using it immediately. |
| SMT-COM01-15OCT2 | 2019-11-18. Service bulletin. ELECTRICAL SYSTEM. Dealer notice announcing the availability of Diagnostic software 2019-5 and dealers should begin using it immediately. |
| SMTCOM0429JUL201 | 2019-08-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Dealer notice advising how to prevent Instrument download failures and recover in the event a download has failed/interrupted. |
| SMT-COM03-27JUN2 | 2019-07-15. Service bulletin. POWER TRAIN. Dealer notice announcing the introduction of the revised gearchange shaft to all liquid-cooled Triumph Modern Classics models. |
| SMT-COM02-24JUN2 | 2019-07-15. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING. Dealer notice concluding the comprehensive test conducted to explore the warranty claims for headlamps with surface damage and corrective actions to prevent the issue. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.