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KTM 250 XCF-W 2007 User Manual

KTM 250 XCF-W 2007
151 pages
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250 SX-F, EXC-F, EXC-F
SIX DAYS
SIX DAYS
XCF-W, XC-F, SXS-F
REPARATURANLEITUNG
MANUALE DI RIPARAZIONE
MANUEL DE RÉPARATION
MANUAL DE REPARACIÓN
ART.NR.: 3.206.052-E
REPAIRMANUAL2005-2008
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KTM 250 XCF-W 2007 Specifications

General IconGeneral
Transmission6-speed
Engine TypeSingle-cylinder, 4-stroke
IgnitionKokusan digital
Cooling SystemLiquid Cooled
StarterElectric
Bore x Stroke76 mm x 54.8 mm

Summary

Introduction

General Information

Bleeding the Cooling System

Procedure for draining and refilling the motorcycle's cooling system.

Changing the Oil Filter

Steps to replace the engine's oil filter and add new oil.

Oil Circuit

Diagram and explanation of how engine oil circulates through the motorcycle.

Bleeding of the Hydraulic Clutch

Process to remove air from the hydraulic clutch system.

Adjusting the Throttle Cables

Instructions for setting the correct free play in the throttle cables.

Special Tools Engine

List and illustrations of specialized tools required for engine work.

Removing and Refitting Engine

Dismounting the Engine

Step-by-step guide to safely remove the engine from the motorcycle frame.

Mounting the Engine

Procedure for reinstalling the engine into the motorcycle frame.

Disassembling the Engine

Preparatory Work

Initial steps to clean and prepare the engine for disassembly.

Moving the Engine into the TDC Position

How to position the engine's crankshaft for correct timing.

Removing the Camshafts

Detailed steps to remove the camshafts from the cylinder head.

Removing the Cylinder Head and Piston

Procedure for removing the cylinder head and piston assembly.

Removing the Clutch Cover

Steps to safely remove the motorcycle's clutch cover.

Dismantling the Clutch

How to take apart the motorcycle's clutch assembly.

Removing the Chain Drive and Primary Gear

Steps to remove the engine's chain drive and primary gear components.

Dismantling the Shift Mechanism

How to disassemble the motorcycle's gear shifting mechanism.

Removing the Oil Pumps

Procedure for removing the engine's oil pump assemblies.

Separating Casing Halves, Removing Crankshaft and Transmission Shafts

Steps to split the engine cases and remove the crankshaft.

Servicing Individual Components

Left Casing Half Servicing

Procedures for inspecting and servicing the left engine casing half.

Right Casing Half Servicing

Procedures for inspecting and servicing the right engine casing half.

Crankshaft Servicing

How to inspect and measure the engine's crankshaft for wear and runout.

Cylinder and Piston Servicing

Steps for measuring cylinder bore and piston for wear and clearance.

Lubricating System Servicing

Checks and maintenance for the engine's oil lubrication system components.

Camshafts Servicing

Inspecting camshafts for wear, damage, and proper function.

Clutch Servicing

Procedures for checking clutch components for wear and damage.

Shift Mechanism Servicing

Inspecting and checking wear on shift forks, drum, and rails.

Assembling Main and Countershafts

Steps for assembling the transmission's main and countershafts.

Assembling the Engine

Installing Transmission Shafts and Crankshaft, Assembling Casing Halves

Guide to fitting shafts and closing the engine casings.

Mounting the Oil Pumps

Steps for installing the engine's oil pump assemblies.

Mounting the Shift Mechanism

Procedure for assembling the gear shift mechanism.

Mounting the Primary Pinion and Chain Drive

Installing the primary gear and timing chain drive components.

Mounting the Clutch

Steps for correctly assembling the motorcycle's clutch.

Mounting the Clutch Cover

Procedure for installing the clutch cover with a new gasket.

Mounting the Piston and Cylinder Head

Steps for installing the piston into the cylinder and mounting the cylinder head.

Mounting the Camshafts

How to install the camshafts into the cylinder head.

Mounting the Chain Tensioner

Procedure for installing the timing chain tensioner correctly.

Checking the Valve Clearance

How to measure and adjust valve clearances after assembly.

Assembling the Engine

Final steps for assembling the engine components.

Electrical System

CDI Unit Checks

Procedures for checking the CDI unit and its connections.

Checking the Ignition Coil

How to test the ignition coil resistance values.

Ignition System Troubleshooting

Guide to diagnosing ignition system faults.

Checking the Stator and Pulse Generator

Testing stator and pulse generator resistance values.

Main Fuse Check

Location and check procedure for the motorcycle's main fuse.

Checking the Starter

How to test the starter motor's functionality.

Checking the Start Relay

Procedure for testing the start relay continuity.

Dismounting and Mounting the Battery

Steps for removing and reinstalling the motorcycle battery.

Charging the Battery

Important precautions and steps for charging the battery.

Checking the Charging Voltage

How to measure the charging system's voltage output.

Checking for Loss of Current

Procedure to identify parasitic current drain from the battery.

Engine Characteristic (250 EXC-F)

Information on ignition curves for engine performance tuning.

Measuring with Peak Voltage Adapter: Static Ignition Values

Using a peak voltage adapter to measure static ignition values.

Measuring with Peak Voltage Adapter: Static Generator Values

Using a peak voltage adapter to measure static generator values.

Fuel System

Dismounting and Mounting the Carburetor

Steps for removing and reinstalling the motorcycle's carburetor.

Disassembling the Carburetor

Detailed instructions for taking apart the carburetor components.

Checking the Choke Knob and Hot Start Slide

Inspecting the choke knob and hot start slide for proper operation.

Checking the Accelerator Pump

How to check the accelerator pump diaphragm and bores.

Checking the Jet Needle

Inspecting the jet needle for bending and wear.

Checking the Float Needle Valve

Procedure to check the float needle valve seat for cleanliness.

Checking the Throttle Valve

Inspecting the throttle valve rollers and paddles for wear.

Assembling the Carburetor

Steps for correctly reassembling the motorcycle's carburetor.

Adjusting the Position of the Throttle Valve Sensor

How to set the correct position of the throttle valve sensor.

Checking the Throttle Valve Sensor

Testing the resistance and function of the throttle valve sensor.

Dismounting and Installing the Throttle Valve Sensor

Steps for removing and reinstalling the throttle valve sensor.

Carburetor - Adjust Idling

Procedure for correctly setting the engine's idle speed.

Checking the Float Level (Float Height)

How to measure and adjust the carburetor's float height.

Trouble Shooting

Trouble Shooting Guide

Table listing common engine problems, their causes, and remedies.

Technical Specifications

Engine Technical Data

Specifications for engine displacement, bore, stroke, and other engine parameters.

Chassis Technical Data

Specifications for frame, forks, brakes, and other chassis components.

Fork Standard Adjustments

Recommended settings for front fork compression and rebound.

Shock Absorber Standard Adjustments

Recommended settings for rear shock absorber.

Assembly Clearances, Wear Limits

Specific measurements for component clearances and wear limits.

Tightening Torques - Engine

List of all engine component screw and nut tightening torque specifications.

Tightening Torques - Chassis

List of all chassis component screw and nut tightening torque specifications.

Periodic Maintenance Schedule

Model 2005 Maintenance Schedule

Maintenance intervals and tasks for the 2005 model year.

Model 2006 Maintenance Schedule

Maintenance intervals and tasks for the 2006 model year.

Model 2007 Maintenance Schedule

Maintenance intervals and tasks for the 2007 model year.

Model 2008 Maintenance Schedule

Maintenance intervals and tasks for the 2008 model year.

Wiring Diagrams

Wiring Diagrams - Model 2005

Electrical wiring schematic for 2005 models.

Wiring Diagrams - Model 2006

Electrical wiring schematic for 2006 models.

Wiring Diagrams - Model 2007

Electrical wiring schematic for 2007 models.

Wiring Diagrams - Model 2008

Electrical wiring schematic for 2008 models.

Cable Colors

Key for understanding wire colors used in the diagrams.

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