Motorcycles · Yamaha · Sport & naked
IllustrationIllustration (AI-generated) of a 2021 Yamaha MT-09 (FZ-09), not a photo of a specific motorcycle. Free to use under CC BY 4.0: credit The Lemon Index (lemonindex.com). Download and credit text
Owner complaints filed with NHTSA, 2014 to 2026 models.
6 of 12 describe the cam chain tensioner rattling or failing.
4 of 10 describe a cracked frame.
4 mention the clutch.
After 2015, no model year drew more than 3.
Fewest complaints on file: 2016 (1), 2018 (1), 2021 (1). Few complaints is not a clean bill of health, just fewer owners filing.
What each year's complaints describe comes from reading their text. These are counts, not rates: there are no sales figures per motorcycle model year. A complaint is not proof of a defect.
Popular years get more complaints just because more were sold, and newer years have had less time to collect them. There are no U.S. sales figures by motorcycle model year, so these are counts, not rates.
The brushes inside the Throttle Position Sensor (TPS) may slide excessively due to improper ECU programming, possibly causing unstable idling or an engine stall.
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.
The lower handlebar holder may loosen due to a painting issue and the inadequate application of the thread-locking agent.
The affected motorcycles may have an incorrectly manufactured shift cam segment stopper, having a sharp edge on the inside of the bend instead of a smooth radius.
The affected motorcycles may have a headlight harness that is too short and when the handlebars are turned fully to the left or right the harness may break near the coupler or coupler may disconnect from the headlight bu…
Recall repairs are free at any dealer. Check a specific bike's VIN at nhtsa.gov/recalls.
117 hpClaimed crank figure
From the makers' U.S. spec sheets (the EU sheet for horsepower where the U.S. one leaves it out), checked against a sample on Nov 11; years and versions differ.
Filed as: FZ09, FZ-09, MT-09. Source: NHTSA owner complaints (model years 2000-2026) and recalls. Every motorcycle
Also counted in the Yamaha MT-07 / MT-09 family page.
More sport & naked: Suzuki GSX-R · Ducati Monster · Kawasaki Ninja ZX-6R / ZX-10R · Yamaha YZF-R1 · Ducati Panigale · Buell 1125R / 1125CR · Honda CBR · Kawasaki Ninja 300/400/650 · Every motorcycle
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