Kawasaki BJ 250 ESTRELLA: history, specs, pictures

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Kawasaki BJ 250 ESTRELLA
Production 2007
Class Naked
Single cylinder, four-stroke, air-cooled
Bore / Stroke 66.0mm x 66.0mm
Compression ratio 9.0:1
Horsepower 17.03 HP (12.7 KW) @ 7500RPM
Torque 13.28 ft/lbs (18.0 Nm) @ 5000RPM
Fuel System Fuel Injection
Transmission Gear box: 5-Speed

Final Drive: Chain

Clutch: Wet multiplate
Suspension Front: Telescopic forks
Rear: Swing arm, dual shocks
Brakes Front: Single disc 300mm
Rear: Drum 160mm
Front Tire 90/90 S18
Rear Tire 110/90 S17
Wheelbase 55.51 inches (1410 mm)
Length 81.69 inches (2075 mm)
Width 29.69 inches (754 mm)
Seat Height 28.9 inches (734 mm)
Weight 155.0 kg (wet)
Recommended Oil K-tech 10W-40
Manuals Service Manual

The Kawasaki BJ 250 ESTRELLA was a Single cylinder, four-stroke, air-cooled Naked motorcycle produced by Kawasaki in 2007. Max torque was 13.28 ft/lbs (18.0 Nm) @ 5000 RPM. Claimed horsepower was 17.03 HP (12.7 KW) @ 7500 RPM.


A 66.0mm bore x 66.0mm stroke result in a displacement of just 249.0 cubic centimeters.


The bike has a 5-Speed transmission. Power was moderated via the Wet multiplate.


It came with a 90/90 S18 front tire and a 110/90 S17 rear tire. Stopping was achieved via Single disc 300mm in the front and a Drum 160mm in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Swing arm, dual shocks. The wheelbase was 55.51 inches (1410 mm) long.

2007 - 2010 Kawasaki BJ 250 ESTRELLA[edit]

The BJ 250 Estrella launched mainly for the Japanese home market in 1996 is a single overhead camshaft single cylinder two valve four-stroke. The retro design has proven popular in Japan, with a great many after market customising and tuning goodies available form Japanese tuning companies like Daytona and Over Racing.