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Kawasaki KX250F 2011 - User Manual

Kawasaki KX250F 2011
21 pages
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2011 MODEL INFORMATION
MODEL
NAME
KX250F
MARKETING
CODE
KX250Y
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Summary

OVERVIEW

KEY FEATURES

POWERFUL, HIGH-REVVING FUEL-INJECTED ENGINE

Details engine tuning, piston, intake, spark plug, and ducting for enhanced performance.

Battery-less fuel injection system

Explains the lightweight, battery-less ECU and fuel injection system designed for motocross.

Factory KX Fi Calibration Kit (optional accessory)

Describes the optional kit for adjusting engine characteristics, recording, and analyzing riding data.

Less mis-shifts

Details improvements to the ratchet lever and return spring for reduced mis-shifts.

Reduced noise

Explains design changes for noise reduction in European and North American models.

Additional performance-oriented engine characteristics

Focuses on tuning the torque curve and achieving a wider torque band for optimal traction.

Lightweight titanium valves

Details titanium valves for reduced weight, high-rpm reliability, and enhanced strength.

Crank web design

Explains crank web design for improved balance, reduced vibration, and smoother power delivery.

Radiators

Describes radiators with wide fins for improved cooling and reduced weight.

Sprocket-style chain drive roller

Explains how the roller smooths engine braking and aids corner entry.

HIGH-SPEED CHASSIS WITH FACTORY-STYLE COMPONENTS & TUNING

Discusses chassis balance, settings, and the new Separate Function front Fork (SFF) for improved handling.

Lighter-handling chassis

Discusses frame rigidity, lateral flex, and reduced fork offset for improved handling.

Superior rear-wheel traction

Mentions benefits like increased rear wheel traction and enhanced cornering accuracy.

Race-oriented suspension: Separate Function Front Fork

Details the Showa SFF system, separating damping and spring duties for smooth action.

Race-oriented rear suspension

Covers revised rear shock damping settings for improved action and absorption.

Factory-style and other race-oriented components

Highlights factory-style brakes, handlebars, hubs, rims, and adjusters for enhanced performance.

Rider interface

Focuses on ergonomics, bodywork design, frame shaping, and seat for rider comfort and control.

ADDITIONAL FEATURES

Engine

Details electrofusion treatment and molybdenum on cylinder bore for durability.

Chassis

Describes alloy swingarm, skid plate, and chain guide for strength and wear.

Other

Lists optional engine and chassis parts like handlebar holders, sprockets, and springs.

COLOURS

Lime Green with factory-style graphics

Shows the Lime Green colour option with factory-style graphics.

SPECIFICATIONS

ENGINE

Lists engine type, displacement, bore/stroke, compression, fuel, ignition, starting, and lubrication.

DRIVETRAIN

Details transmission, final drive, gear ratios, and clutch specifications.

FRAME

Provides frame type, wheel travel, tyre sizes, rake/trail, and steering angle.

SUSPENSION

Lists front and rear suspension details including damping and spring preload.

BRAKES

Details front and rear brake specifications, including disc size and caliper type.

DIMENSIONS

Provides overall dimensions, wheelbase, ground clearance, seat height, curb mass, and fuel capacity.

Summary

OVERVIEW

KEY FEATURES

POWERFUL, HIGH-REVVING FUEL-INJECTED ENGINE

Details engine tuning, piston, intake, spark plug, and ducting for enhanced performance.

Battery-less fuel injection system

Explains the lightweight, battery-less ECU and fuel injection system designed for motocross.

Factory KX Fi Calibration Kit (optional accessory)

Describes the optional kit for adjusting engine characteristics, recording, and analyzing riding data.

Less mis-shifts

Details improvements to the ratchet lever and return spring for reduced mis-shifts.

Reduced noise

Explains design changes for noise reduction in European and North American models.

Additional performance-oriented engine characteristics

Focuses on tuning the torque curve and achieving a wider torque band for optimal traction.

Lightweight titanium valves

Details titanium valves for reduced weight, high-rpm reliability, and enhanced strength.

Crank web design

Explains crank web design for improved balance, reduced vibration, and smoother power delivery.

Radiators

Describes radiators with wide fins for improved cooling and reduced weight.

Sprocket-style chain drive roller

Explains how the roller smooths engine braking and aids corner entry.

HIGH-SPEED CHASSIS WITH FACTORY-STYLE COMPONENTS & TUNING

Discusses chassis balance, settings, and the new Separate Function front Fork (SFF) for improved handling.

Lighter-handling chassis

Discusses frame rigidity, lateral flex, and reduced fork offset for improved handling.

Superior rear-wheel traction

Mentions benefits like increased rear wheel traction and enhanced cornering accuracy.

Race-oriented suspension: Separate Function Front Fork

Details the Showa SFF system, separating damping and spring duties for smooth action.

Race-oriented rear suspension

Covers revised rear shock damping settings for improved action and absorption.

Factory-style and other race-oriented components

Highlights factory-style brakes, handlebars, hubs, rims, and adjusters for enhanced performance.

Rider interface

Focuses on ergonomics, bodywork design, frame shaping, and seat for rider comfort and control.

ADDITIONAL FEATURES

Engine

Details electrofusion treatment and molybdenum on cylinder bore for durability.

Chassis

Describes alloy swingarm, skid plate, and chain guide for strength and wear.

Other

Lists optional engine and chassis parts like handlebar holders, sprockets, and springs.

COLOURS

Lime Green with factory-style graphics

Shows the Lime Green colour option with factory-style graphics.

SPECIFICATIONS

ENGINE

Lists engine type, displacement, bore/stroke, compression, fuel, ignition, starting, and lubrication.

DRIVETRAIN

Details transmission, final drive, gear ratios, and clutch specifications.

FRAME

Provides frame type, wheel travel, tyre sizes, rake/trail, and steering angle.

SUSPENSION

Lists front and rear suspension details including damping and spring preload.

BRAKES

Details front and rear brake specifications, including disc size and caliper type.

DIMENSIONS

Provides overall dimensions, wheelbase, ground clearance, seat height, curb mass, and fuel capacity.

Kawasaki KX250F 2011 Specifications

General IconGeneral
Bore x Stroke77.0 x 53.6 mm
Compression Ratio13.5:1
IgnitionDigital DC-CDI
Transmission5-speed
Rear BrakeSingle 240mm petal disc with single-piston caliper
Front Tire80/100-21
Rear Tire100/90-19
Seat Height955 mm (37.6 in)
Overall Width820 mm (32.3 in)
Frame TypeAluminum perimeter
Engine Type4-stroke single
Front BrakeSingle 250 mm disc
Wheelbase1, 475 mm
Fuel Capacity7.2 liters
Ground Clearance345 mm
Overall Length2, 185 mm
Overall Height1, 275 mm
Rear SuspensionUni-Trak with adjustable preload

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