Can-Am Ryker 2021 — technical service bulletin
Bulletin TST 139350 · NHTSA communication 10202781 · issued Oct 6, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021
model years
1
vehicle entries
Official summary
Some RYKER MY21 with 903 engines are experiencing misfire Pcode (P0301) around 3800 rpm
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.