2021 Yamaha Mt-09 problems, complaints & recalls
Most-reported problem areas: Fuel/Propulsion System (1)
Safety recalls (2)
Vehicle Speed Control:throttle:throttle Position Sensor (Tps) 2025-04-16 · campaign 25V248000 · 216 vehicles
Defect: Pure Sports Distributing Inc. (Yamaha of Hawaii) is recalling certain 2022 MT-09 Tracer GT, 2021-2025 MT-09 SP, 2021-2025 MT-09, 2022-2023 and 2025 MT-10 SP, 2022-2024 MT-10 and 2022-2024 XSR900 motorcycles. The brushes inside the Throttle Position Sensor (TPS) may slide excessively due to improper ECU programming, possibly causing unstable idling or an engine stall.
Risk: Unstable idling or an engine stall can lead to loss of control of the motorcycle, increasing the risk of an injury or crash.
Fix: Dealers will reprogram the engine control unit (ECU) software and replace the TPS, free of charge. Owner notification letters were mailed on May 6, 2025. Owners may contact Yamaha of Hawaii customer service at 1-808-498-8248.
Engine And Engine Cooling:engine:engine Control Module (Ecu/Ecm):software 2022-03-07 · campaign 22V130000 · 3,594 vehicles ⚠ DO NOT DRIVE
Defect: Yamaha Motor Corporation, USA (Yamaha) is recalling certain 2021-2022 MT-09, MT-09 SP, and MTT9GT (Tracer 9 GT) motorcycles. Improper electronic control unit (ECU) programming may limit the throttle response, cause an engine stall, or fail to illuminate the engine warning light when a system error occurs.
Risk: Limited throttle response, engine stall, or a missing warning light can increase the risk of a crash.
Fix: Owners should not operate their motorcycle, other than to take it to a dealer, until the remedy is performed. Dealers will reprogram the ECU, free of charge. Owner notification letters were mailed March 17, 2022. Owners may contact Yamaha customer service at 1-866-894-1626. Yamaha's number for this recall is 990158.
Service bulletins (3)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Equipment:other:owners/Service/Other Manual 2022-04-27 · M2022-010 · Service Bulletin/Repair Instructions
service manual corrections â fi troubleshooting process changed for dtc p2135 the 2021 mt-09 and mt-09 sp service manuals have been revised to correct several errors.
Equipment 2022-02-17 · M2022-002 · Service Bulletin/Repair Instructions
bulletin describing update to the service manual regarding throttle servo motor checking procedure, valve spring free length limit, and shift sensor diagnostic trouble code.
Wheels 2021-09-24 · M2021-005 · Service Bulletin/Repair Instructions
2021 mt-09 and mt-09 sp service manual correction - imu lubrication points, rear wheel assembly procedure, clutch damper springs installation direction, relay unit inspection and inspection procedure of the regulator/rectifier.
What owners report
2023-08-14 · Fuel/Propulsion System“i was making a right turn in 1st gear and applying small throttle for traction but the engine cut off during the turn. this is dangerous for a motorcycle as friction and throttle is needed for a safe turn even during slow speeds. i have raised the concern to a local dealer prior to this incident. i called the local dealer and they stated that th…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.