The Kawasaki Ninja 250SL (codenamed BX250), formerly called Ninja RR Mono in Indonesia (until November 2016, later changed to 250SL), is a

motorcycle A motorcycle (motorbike, bike, or trike (if three-wheeled)) is a two or three-wheeled motor vehicle steered by a handlebar. Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising ...

in the

Ninja A or was a covert agent or mercenary in feudal Japan. The functions of a ninja included reconnaissance, espionage, infiltration, deception, ambush, bodyguarding and their fighting skills in martial arts, including ninjutsu.Kawakami, pp. 2 ...

sport bike A sport bike (sports motorcycle, or sports bike) is a motorcycle designed and optimized for speed, acceleration, braking, and cornering on asphalt concrete race tracks and roads. They are mainly designed for performance at the expense of comfor ...

series from the Japanese manufacturer Kawasaki sold since 2014. The bike replaces the

2-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being completed in one revolution of t ...

Ninja ZX-150RR (also called ''Ninja RR'') that was produced from 1991 to 2016. It is powered by a

single-cylinder engine A single-cylinder engine, sometimes called a thumper, is a piston engine with one cylinder. This engine is often used for motorcycles, motor scooters, go-karts, all-terrain vehicles, radio-controlled vehicles, portable tools and garden machinery ...

from the KLX250 that produces a claimed at 9,700 rpm and of torque at 8,200 rpm mated to a 6-speed constant-mesh transmission. It is the first Ninja sport bike to have a four-stroke

References

Ninja 250SL Motorcycles introduced in 2014 {{Motorcycle-stub