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Service bulletins for the 2018 Triumph Bonneville Bobber

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.

111 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
SMTCom01282019-03-18. Service bulletin. EQUIPMENT. Dealer notice announcing the auto-issue of two new service tools required to perform work on the listed Triumph models.
SMTCom05182019-03-18. Service bulletin. EQUIPMENT. Dealer notice announcing the revised instrument download procedure on certain models.
SMTCom01112019-03-18. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical Bulletin 193.
SMTTB193112019-03-18. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE; EQUIPMENT; POWER TRAIN. Technical Bulletin 193 provides instructions that applies to California Proposition 65 Hang Tag Reminder (Californian Market Only), Front Subframe Cable Clips, Alternator Cover Sealant, Chassis ECM DTCs Flagged Incorrectly, Pin Point Test - Power Source Voltage Drop/Voltage Rise, Inner Tube Valve Nut, Swinging Arm/Chain Rubbing Strip - Parts Kit, Service Manual Correction - Rear Brake Disc Minimum Thickness, Service Manual Correction - Main Bearing Selection, Owners Handbook Correction - Scheduled Maintenance Chart, Motorcycle Assembly Guide - Windscreen Installation.
SMTCom0102Aug2012018-09-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Dealer notice announcing that Diagnostic software 2018-7 is now available and dealers should begin using it immediately.
SMT-Com01-10Apri2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing the availability of Technical Bulletin 189.
SMT-TB188-27Marc2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT; EQUIPMENT; ELECTRICAL SYSTEM; SERVICE BRAKES. Technical Bulletin 188 provides instructions that apply to Triumph Diagnostic Tool Compatibility with Windows Operating Systems, Fog Lights Warning, TFT Instruments - Calibration Update, Exhaust Header Nuts Tightening Sequence, Hugger Fixing, Pinpoint Test - Brake Switches, Alternator Cover Parts Kit, Starter Motor Parts Kit.
SMT-Com03-27Marc2018-05-21. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical Bulletin 188.
SMTTB18419Februa2018-05-21. Service bulletin. WHEELS; POWER TRAIN; ELECTRICAL SYSTEM. Technical Bulletin 184 provides instructions that apply to Electronic Systems Commissioning and Motorcycle Unlocking, Final Drive Belt, Front Fork Reflector, Clutch Cable Guide, Big End Bearing Selection Chart, Detent Wheel and Detent Lever Spring, Triumph Diagnostic Tool Compatibility with Windows Operating Systems, Rider Foot Pegs, Factory Activated Batteries (replaces Technical Bulletin 182).
SMTCom0319Februa2018-05-21. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical Bulletin 184.
SMTCom0206Februa2018-05-21. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. Dealer notice announcing an issue & fix to the clutch cable wear affecting certain Bonneville Bobber models.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.