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Service bulletin SMT-COM02-05AUGU

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10179688
Published by NHTSA2020-09-14
Manufacturer's numberSMT-COM02-05AUGU
Manufacturer's date2020-08-05
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY

NHTSA's summary

Dealer notice advising a build specification made to the radiator of the modern classic range.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Cooling system, Radiator

Vehicles listed
TRIUMPH BONNEVILLE BOBBER BLACK2020 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH BONNEVILLE SPEEDMASTER2020
TRIUMPH BONNEVILLE T1002020
TRIUMPH BONNEVILLE T1202020
TRIUMPH BONNEVILLE T120 BLACK2020 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH ROCKET 3 R2021
TRIUMPH SPEED TWIN2020
TRIUMPH STREET TRIPLE R2021
TRIUMPH STREET TRIPLE RS2021
TRIUMPH STREET TWIN2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.