CBR250R

About the CBR250R

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  • Styling
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Engine

To reduce blow-by gas and oil consumption, a spiny sleeve was adopted for the cylinder sleeve. Small spines have been added to the outer surface to improve cooling performance and help reduce distortion of the inner cylinder's shape. In addition, centrifugal casting allowed a thin, uniform wall thickness, which aids weight reduction. For emission measures, an O² sensor is combined with the built-in air induction (AI) system and a catalyzer is fitted inside the exhaust pipe to comply with Euro 3 emission regulation. The power unit complies with other environmental regulations such as Thailand's sixth emission standards, for which the evaporator system (evaporative emission control system) was put in place for the Thai model.

Cylinder sleeve image

Cylinder sleeve

AI/O² sensor image

AI/O² sensor


Catalyzer image

Catalyzer

AI pathway image

AI pathway

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