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Service bulletin TB1806

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 id10180409
Published by NHTSA2020-09-30
Manufacturer's numberTB1806
Manufacturer's date2018-06-21
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

During the course of quality controls, Husqvarna Motorcycles North America, Inc has found that the tolerances between the decompression weight and decompression screw (marked in blue) are not in specification on select 2018 701 model motorcycles. These auto-decompression system components must be replaced to prevent premature wear.

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

Vehicles listed
HUSQVARNA 701 SUPERMOTO2018
HUSQVARNA ENDURO2018
HUSQVARNA VITPILEN 7012018

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