Engine: Small petrol engine, likely 49cc or 50cc (visible under the frame)
Tyres: Knobby off-road/motocross tyres
Brakes: Front disc brake (visible in red), rear drum
Size: Clearly a children's/junior sized bike — scaled-down motocross style
Suspension: Front forks visible, basic rear setup
Kickstand: Side stand fitted
This type of bike is typically:
For kids aged roughly 5–12 depending on size
Used in gardens, fields, or tracks
Not road legal
Popular brands at this size include Stomp, Apollo, Orion, Chinese OEM copies
The Yamaha blue colour scheme is very common on budget Chinese-made mini motos that mimic the YZ/YZF