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Service bulletin TST 139350

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 id10202781
Published by NHTSA2021-11-01
Manufacturer's numberTST 139350
Manufacturer's date2021-10-06
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Some RYKER MY21 with 903 engines are experiencing misfire Pcode (P0301) around 3800 rpm

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

Trouble codes named

P0301

Vehicles listed
CAN-AM RYKER2021

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

Other bulletins for the same vehicles and component
TST 1364372024-05-03. Service bulletin. Rykers 900 engines that may have the incorrect camshaft timing. Ryker Equipped with the 900 engine may start well when cold but then can have a rough idle or even dies at idle when the engine is warmed up.