Yamaha‘s MT-09 is getting a larger engine for 2021, as part of an update to allow the “Master of Torque” Triple to meet Euro 5 standards. The new engine will increase from the current 847cc to close to 890cc and increase its maximum power by 4 hp to a claimed 118 hp while reducing its emission output. At the moment, we can only confirm the MT-09 will receive the updated engine, but we expect other Yamaha models that share the three-cylinder engine, such as the Tracer 900, XSR900 and Niken to receive the new powerplant as well.
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https://www.motorcycle.com/mini-features/2021-yamaha-mt-09-getting-larger-engine-to-meet-euro-5-standards.html