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Service bulletins for the 2018 Triumph Street Triple S

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
SMTTB194292019-03-18. Service bulletin. EQUIPMENT. Technical Bulletin 194 provides instructions that apply to Front Master Cylinder Reservoir Cap Screws, Windscreen Support Fixings, Keyless Ignition, Clutch Cover Removal and Installation, Rider's Seat (single seat), Side Stand Spring Peg, Cylinder Head Installation, Alternator Oil Feed Spray Jet, Headlight and Indicator Wiring Harness Routing, Transmission Output Shaft, Horn Wire Routing, Instrument Downloads - 900cc and 1200cc Modern Classic Models with Analogue/LCD Instruments, Pinpoint Test - Engine Start/Stop Switch Correlation Error, Diagnostic Trouble Code (DTC) P2138 - Twist Grip Position Sensor 1 Correlation Error with Twist Grip Position Sensor 2, Electronic Systems Commissioning and Motorcycle Unlocking and Battery Anti-Tamper Label.
SMTCom02292019-03-18. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical Bulletin 194.
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.
SMTSB55622OCT2012018-11-19. Service bulletin. EQUIPMENT. Service Bulletin 556 addresses the dealers to replace the headstock tidy and it's fixings on certain models.
SMTCOM0122OCT2012018-11-19. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Service Bulletin 556.
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.
SMTCom0110April22018-06-11. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical Bulletin 189.
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.
SMT-TB187-06Marc2018-05-21. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin 187 provides instructions that apply to Electronic Systems Commissioning and Motorcycle Unlocking.
SMT-Com01-06Marc2018-05-21. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical Bulletin 187.
SMTTB18628Februa2018-05-21. Service bulletin. EQUIPMENT. Technical Bulletin 186 provides instructions that apply to Motorcycle Assembly Guide.
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).
SMTCom0628Februa2018-05-21. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical Bulletin 185 & 186.
SMTCom0319Februa2018-05-21. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical Bulletin 184.
SMT-Com01-23Janu2018-02-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Dealer notice announcing that Diagnostic Software 2018-1 is now available and dealers should begin using it immediately.
SMT-TN177-09May22017-12-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Technical News 177 provides instructions that apply to Instrument Download Recovery Process
SMT-Com04-09May22017-12-14. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Dealer notice announcing the availability of Technical News 177
SMT-TN176-03May22017-12-14. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; STEERING: STEERING WHEEL/HANDLE BAR; EQUIPMENT; STEERING; SEATS. Technical News 176 provides instructions that apply to Handlebar End Weight Fixings, Coolant Expansion Tank Cover Fixings, Airbox and Immobiliser Connector Anti-Tamper Foam Pad, Scheduled Maintenance Chart, Rider's Seat Fixing, Triumph Diagnoatic Tool - End of Support for Mictosoft Windows Vista, Temporary Packing Crate, Steering Lock Removal and Installation, Exhaust Clamp and Bolt Assembly, Service Manual Update - Purge Control Valce and Engine Breather Cover, Belly Pan Panel Assembly Fixings.
SMT-Com01-03May22017-12-14. Service bulletin. EQUIPMENT. Dealer notice announcing the availability of Technical News 176
SMT-SB551-14Sept2017-12-14. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. Service bulletin 551 addresses the need to change the torque figure of the fixings securing the coolant tee piece to the lower crankcase.
SMT-Com02-14Sept2017-12-14. Service bulletin. ENGINE. Dealer notice announcing the availability of Service Bulletin 551

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