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Service bulletins for the 2021 Triumph Street Triple R

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.

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

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
SMTTB2252023-02-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Technical Bulletin 225 provides instructions that applies to Triumph Diagnostic Tool 2022-07 Update - ECM Status Report Feature - Beta A, Triumph Diagnostic Tool 2022-07 Update - Introduction of New Headlight ECM Hardware, Triumph Diagnostic Tool 2022-07 Update - Calibrations Removed From Service.
SMT-COM012022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Dealer notice reminding of the new California Prop 65 regulation.
SMTTB2252022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Technical Bulletin 225 provides instructions that applies to Triumph Diagnostic Tool 2022-07 Update - ECM Status Report Feature - Beta A, Triumph Diagnostic Tool 2022-07 Update - Introduction of New Headlight ECM Hardware, Triumph Diagnostic Tool 2022-07 Update - Calibrations Removed From Service.
SMTCOM052022-07-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS. Dealer notice advising of careful inspection to conduct when replacing the heat exchanger seal.
SMT-TN-1632021-05-10. Service bulletin. ENGINE AND ENGINE COOLING. Mudgaurd alignment, sump, crankcase breather bolts, sump plug sealing washer, seat lock, drivebelt tension, reflector mounting o-rings, water inlet cover bolt and water outlet cover bolt, bleeding the brakes, and front inner wheel, inner tube and valve.
SMT-COM02-05AUGU2020-09-14. 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.

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