Yamaha unveiled its next-generation self-learning bike prototype, Motoroid:Λ, at the Japan Mobility Show 2025, introducing one of six world premieres among the sixteen total models on display. The Motoroid series represents Yamaha’s vision of merging artificial intelligence with personal mobility.
From Concept to Intelligent Partner
The journey of the Motoroid series began in 2017 when Yamaha introduced the first proof-of-concept Motoroid, a futuristic motorcycle capable of standing upright on its own and autonomously interacting with its rider. This early version demonstrated Yamaha’s first step toward creating a bike that could balance, recognize, and respond without human input.
By 2023, Motoroid2 expanded on that idea. Showcasing how a rider and the machine could respond to each other like true partners, not just through control but through mutual adaptation and feedback.

Learning and Evolving Through Reinforcement Learning
The new Motoroid:Λ represents the next stage of evolution. It is capable of learning and evolving autonomously using reinforcement learning, a type of AI training that allows the system to improve based on trial and error.

Yamaha pairs this with Sim2Real technology, meaning the bike practices and refines its decision-making in virtual environments before applying what it has learned to the real world. This gives the Motoroid:Λ a degree of independent decision-making, allowing it to adapt to its surroundings in real time.
AI-Based Movements and Lightweight Design
One of the standout features of Motoroid:Λ is its AI-based organic movement generation. Instead of mechanical motions, the motorcycle’s actions appear fluid and natural, closely mimicking human-like responses.
The bike’s lightweight exoskeleton frame has been engineered to endure the impacts caused by repeated trial-and-error learning. This durability makes it ideal for continuous AI training and adaptation.
Source: Yamaha