2015 Kawasaki KX250F First Look

July 1, 2014
Bart Madson
By Bart Madson
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Bashing away at the MotoUSA keyboard for nine years now, Madson lends his scribbling and editorial input on everything from bike reviews to industry analysis and motorcycle racing reports.

Like its bigger 450 sibling, Kawasaki’s quarter-liter motocross mount also gets significant revisions for the 2015 model year. The 249cc liquid-cooled Single receives the Bridged Box piston. Kawasaki notes that the new piston design is heavier, but the weight gain is offset by a lighter piston pin. The KX250F also employs a heavier magneto rotor, with greater inertia to match claims of increased acceleration.

Kawasaki credits new fuel injectors and revised ECU settings for the acceleration boost. The dual injection system includes an upstream and downstream injector, with the latter’s droplet size reduced slightly for 2015. Team Green’s PR promises the downstream injector revisions and ECU changes contribute to increased power in the low to mid-range, as well as improved response and aforementioned acceleration performance gains. 

Kawasaki revised damping settings for the 2015 KX250F’s Showa SFF (Separate Function Fork) and rear shock to improve high-speed handling and stability.

The KX250F features three engine maps (Standard, Hard and Soft) via DFI coupler cap, and the ECU is fully programmable as well. Kawasaki also carries over the Launch Control system for its 250, which debuted on the 2014 model.

The Showa Separate Function Fork (SFF) returns with revised valve settings. The changes aim to improve damping for high-speed stability. The 2015 sticks also share the silver (instead of gold) finish found on the KX450F. The Showa shock has been tweaked as well, firmed up to match the fork updates.

Braking changes are identical to the 450, with a 30mm larger diameter 270mm front braking rotor.

The KX250 also shares the lighter subframe and axles found on its 450 sibling. However, there is no overall weight reduction, as the 233.7 pound curb weight of the 2015 model is virtually identical to the previous version (233.6 pounds).

In ergonomics the KX250F features two-position adjustable footpeg brackets, which offer a 5mm lower position. There is also a four-position upper triple clamp, and two sets of handlebar mounts.

Styling updates mirror the 450, with the aforementioned silver forks the most prominent alteration. Kawasaki also touts subtler cues like green anodized suspension clickers, oil cap and generator cover plugs.

The 2015 KX250F is priced at $7599. Expect a first ride review from MotoUSA in the weeks to come.

2015 Kawasaki KX250F
2015 Kawasaki KX250F
The 2015 KX250F retains its class-first launch control system (top). Changes to the fuel injectors (bottom) and revised ECU settings nets a claimed increase in acceleration and low- to mid-range power.

2015 Kawasaki KX250F Specifications:
Engine: Liquid-cooled, four-stroke single with DOHC and four-valve cylinder head
Displacement: 249cc
Bore x stroke: 77.0 x 53.6mm
Fuel injection: DFI with 43mm Keihin throttle body and dual injectors
Compression ratio: 13.8:1
Ignition: Digital DC-CDI
Transmission: Five-speed with wet multi-disc manual clutch
Final drive: Chain
Frame: Aluminum perimeter
Rake & Trail: 28.7 degrees / 5 inch
Front suspension: 48mm inverted Showa SFF telescopic fork with 40-way spring preload adjustability and 22-position compression and 20-position rebound damping adjustability, with 12.4 inches of travel
Rear suspension: Uni-Trak linkage system and Showa shock with 19-position low-speed and 4-turns high-speed compression damping, 22-position rebound damping, fully adjustable spring preload, with 12.2 inches of travel
Front tire: 80/100-21
Rear tire: 100/90-19
Front brake: Single semi-floating 270mm petal disc with dual-piston caliper
Rear brake: Single 240mm petal disc with single-piston caliper
Overall length: 85.4 inch
Overall width: 32.3 inch
Overall height: 50 inch
Wheelbase: 58.1 inch
Ground clearance: 13 inch
Seat height: 37.2 inch
Curb weight: 233.7 pounds
Fuel capacity: 1.61 gallons
Color: Lime Green
MSRP: $7599

2015 Kawasaki KX250F 2015 Kawasaki KX250F 2015 Kawasaki KX250F
2015 Kawasaki KX250F 2015 Kawasaki KX250F 2015 Kawasaki KX250F


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