EasyManua.ls Logo

Kawasaki KX250F - DATASHEET 2011 - User Manual

Kawasaki KX250F - DATASHEET 2011
9 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
KX250YBF
Engine Type 4-Stroke, Liquid Cooled, DOHC, 4-Valve, Single, DFI
Displacement 249.0 cm³
Bore & Stroke 77.0 x 53.6 mm
Compression Ratio 13.5:1
Fuel System Keihin 43 x 1, Digital Fuel Injection
Ignition Digital DC-CDI
Transmission 5-Speed
Rake/Trail 27.4°/ 118.6 mm
Front Wheel Travel 315 mm
Rear Wheel Travel 310 mm
Front Tire Size 80/100-21
Rear Tire Size 100/90-19
Front Suspension Separate Function front Fork, 47 mm Inverted Twin-Cham-
ber cartridge-type fork with 22-way compression and 20-
way rebound damping adjustment, 60-way spring preload.
Titanium Oxide Coating.
Rear Suspension
New UNI-TRAK with gas-charged shock absorber
which features fully adjustable spring preload, 17-way
rebound and 13-way (low-speed) and 2 or more turns of
high speed compression damping adjustment.
Wheelbase 1,475 mm
Front Brake
Semi Floating 250 mm Petal Disc & Twin Piston Calliper
Rear Brake
240 mm Petal Disc & Single Piston Calliper
Fuel Tank Capacity 7.2 litres
Ground Clearance 330 mm
Seat Height 945 mm
Curb Mass 105.7 kg
(Includes full fuel tank and all uids at correct levels)
Colours Lime Green
(Specications subject to change without notice.)
Specications:
Revised Aluminium Chassis with Improved
Handling
Key Features:
Digital Fuel Injected Engine
Separate Function Front Forks
2011
Question and Answer IconNeed help?

Do you have a question about the Kawasaki KX250F - DATASHEET 2011 and is the answer not in the manual?

Summary

Key Features Overview

Digital Fuel Injected Engine

Details the new fuel injection system for improved power and adjustability to track conditions.

Separate Function Front Forks

Introduces the SFF system separating spring and damping for enhanced performance and easier adjustment.

Revised Aluminium Chassis

Focuses on chassis updates including rigidity balance for improved handling and cornering accuracy.

Engine Performance and Tuning

High-Performance Fuel Injection

Covers the 249cm³ DFI engine's upgrades for increased power, stronger low-mid torque, and responsiveness.

Chassis Fine-Tuning and Rigidity

Explains chassis rigidity balance for increased lateral flex, improving turning and planted feel.

Factory Styling Enhancements

Highlights new graphics, blacked-out rims, and blue alumite finishes for a factory-inspired appearance.

Engine Component Details

Piston Crown and Valve Train

Details piston crown revision, increased valve lift, and stronger springs for improved high-RPM and over-rev performance.

Intake Ducting and Spark Plug

Covers increased intake duct volume and deeper spark plug for improved throttle response and combustion efficiency.

Gearing Ratio and Exhaust Pipe

Explains revised final reduction ratio and longer exhaust pipe to accentuate low-end torque and suit engine characteristics.

Fuel Injection System and ECU

Lightweight ECU and Fuel Pump

Describes the compact, lightweight ECU and redesigned fuel pump integrated for motocross use and weight savings.

Throttle Body and Injector Design

Details the 43mm throttle body with progressive link and larger injector for enhanced fuel flow and sharp response.

KX FI Calibration Kit

Introduces the optional kit for expert riders to adjust engine characteristics, record, and analyze riding data.

Chassis and Suspension Technology

Lighter-Handling Chassis Design

Explains revised rigidity balance and reduced fork offset for improved turning, cornering accuracy, and a more planted feel.

Superior Rear-Wheel Traction

Focuses on the Uni-Trak rear suspension system, offering precise tuning and improved rear wheel traction.

Separate Function Front Fork (SFF)

SFF: Spring and Damping Separation

Details how the SFF system separates spring and damping duties into individual fork legs for optimal performance.

Reduced Friction and Smoother Action

Explains the 25% friction reduction and titanium coating for smoother suspension action and improved ride feel.

Preload Adjustment and Maintenance

Highlights the convenience of preload adjustment and other maintenance tasks facilitated by the SFF design.

Rear Suspension and Braking System

Race-Oriented Rear Suspension

Describes revised rear shock damping settings, dual compression adjustability, and Kashima Coat for improved action.

Factory-Style Petal Disc Brakes

Covers front and rear petal brake discs, their wave shapes for cleaning pads, and reducing unsprung weight.

Rider Interface Ergonomics

Focuses on the slim bodywork, seat design with improved grip, and natural riding position for rider comfort and control.

Additional Chassis and Drivetrain Features

Swingarm and Skid Plate

Details the alloy swingarm, skid plate, and front chain guide for durability, protection, and improved wear life.

Optional Engine and Chassis Parts

Lists optional items like magneto rotors, sprockets, and suspension springs available for customization.

Summary

Key Features Overview

Digital Fuel Injected Engine

Details the new fuel injection system for improved power and adjustability to track conditions.

Separate Function Front Forks

Introduces the SFF system separating spring and damping for enhanced performance and easier adjustment.

Revised Aluminium Chassis

Focuses on chassis updates including rigidity balance for improved handling and cornering accuracy.

Engine Performance and Tuning

High-Performance Fuel Injection

Covers the 249cm³ DFI engine's upgrades for increased power, stronger low-mid torque, and responsiveness.

Chassis Fine-Tuning and Rigidity

Explains chassis rigidity balance for increased lateral flex, improving turning and planted feel.

Factory Styling Enhancements

Highlights new graphics, blacked-out rims, and blue alumite finishes for a factory-inspired appearance.

Engine Component Details

Piston Crown and Valve Train

Details piston crown revision, increased valve lift, and stronger springs for improved high-RPM and over-rev performance.

Intake Ducting and Spark Plug

Covers increased intake duct volume and deeper spark plug for improved throttle response and combustion efficiency.

Gearing Ratio and Exhaust Pipe

Explains revised final reduction ratio and longer exhaust pipe to accentuate low-end torque and suit engine characteristics.

Fuel Injection System and ECU

Lightweight ECU and Fuel Pump

Describes the compact, lightweight ECU and redesigned fuel pump integrated for motocross use and weight savings.

Throttle Body and Injector Design

Details the 43mm throttle body with progressive link and larger injector for enhanced fuel flow and sharp response.

KX FI Calibration Kit

Introduces the optional kit for expert riders to adjust engine characteristics, record, and analyze riding data.

Chassis and Suspension Technology

Lighter-Handling Chassis Design

Explains revised rigidity balance and reduced fork offset for improved turning, cornering accuracy, and a more planted feel.

Superior Rear-Wheel Traction

Focuses on the Uni-Trak rear suspension system, offering precise tuning and improved rear wheel traction.

Separate Function Front Fork (SFF)

SFF: Spring and Damping Separation

Details how the SFF system separates spring and damping duties into individual fork legs for optimal performance.

Reduced Friction and Smoother Action

Explains the 25% friction reduction and titanium coating for smoother suspension action and improved ride feel.

Preload Adjustment and Maintenance

Highlights the convenience of preload adjustment and other maintenance tasks facilitated by the SFF design.

Rear Suspension and Braking System

Race-Oriented Rear Suspension

Describes revised rear shock damping settings, dual compression adjustability, and Kashima Coat for improved action.

Factory-Style Petal Disc Brakes

Covers front and rear petal brake discs, their wave shapes for cleaning pads, and reducing unsprung weight.

Rider Interface Ergonomics

Focuses on the slim bodywork, seat design with improved grip, and natural riding position for rider comfort and control.

Additional Chassis and Drivetrain Features

Swingarm and Skid Plate

Details the alloy swingarm, skid plate, and front chain guide for durability, protection, and improved wear life.

Optional Engine and Chassis Parts

Lists optional items like magneto rotors, sprockets, and suspension springs available for customization.

Kawasaki KX250F - DATASHEET 2011 Specifications

General IconGeneral
Engine Type4-stroke single
Displacement249 cc
Bore x Stroke77.0 x 53.6 mm
Compression Ratio13.5:1
IgnitionDigital DC-CDI
Transmission5-speed
Frame TypeAluminum perimeter
Front Tire80/100-21
Rear Tire100/90-19
Wheelbase1, 475 mm
Fuel SystemFuel injection
Rear SuspensionUni-Trak linkage system
Front BrakeSingle semi-floating 250mm petal disc
Rear BrakeSingle 240mm petal disc
Overall Width820 mm
Overall Height1, 270 mm
Seat Height955 mm

Related product manuals