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KTM 450 SX ATV 2010 User Manual

KTM 450 SX ATV 2010
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REPAIR MANUAL 2010
450 SX ATV
505 SX ATV
Article no. 3206070en
PartShark.com
877-999-5686

Table of Contents

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KTM 450 SX ATV 2010 Specifications

General IconGeneral
BrandKTM
Model450 SX ATV 2010
CategoryOffroad Vehicle
LanguageEnglish

Summary

Introduction

View of Vehicle

View of the vehicle from the left front (example)

Identifies key components of the ATV from the left front view.

View of the vehicle from the right rear (example)

Identifies key components of the ATV from the right rear view.

Location of Serial Numbers

Chassis number

Details the location of the vehicle's unique chassis identification number.

Engine number

Specifies the location of the engine's identification number.

Handlebar, Instruments

Adjusting handlebar position

Provides instructions for adjusting the handlebar for rider comfort and control.

Checking the play in the throttle cable

Explains how to check for correct throttle cable free play for proper engine operation.

Changing the steering column bearing

Detailed steps for replacing the steering column bearings for smooth steering.

Frame

Installing the engine guard

Instructions for correctly installing the engine guard for chassis protection.

Shock Absorber, Swingarm

Front shock absorber - adjusting the high-speed compression damping

Details the procedure for adjusting the high-speed compression damping on the front shock absorber.

Front shock absorber - adjusting the spring preload

Guides on adjusting the spring preload for the front shock absorber to set suspension sag.

Front shock absorber - bleeding and filling the damper

Step-by-step instructions for bleeding and refilling the front shock absorber damper.

Rear shock absorber - changing the oil

Details the process for changing the oil in the rear shock absorber.

Rear shock absorber - filling the damper with nitrogen

Explains how to fill the rear shock absorber damper with nitrogen gas.

Exhaust

Removing the main silencer

Instructions for safely removing the main silencer from the exhaust system.

Installing the main silencer

Steps for correctly installing the main silencer onto the exhaust system.

Air Filter

Cleaning air filter

Guide on how to properly clean the air filter for optimal engine performance.

Fuel Tank, Seat, Trim

Removing the seat

Steps for safely removing the ATV seat to access components underneath.

Removing the fuel tank

Procedure for safely draining and removing the fuel tank, including safety precautions.

Mask, Fender

Removing the front cover

Instructions for removing the front plastic cover for access to components.

Removing the rear fender

Steps to remove the rear fender for maintenance or replacement.

Front Wheel

Checking the tire air pressure

Details on checking and adjusting tire air pressure for optimal performance and safety.

Checking brake discs

Procedure for inspecting front and rear brake discs for wear and damage.

Rear Wheel

Cleaning the chain

Proper methods for cleaning the drive chain to ensure longevity and performance.

Checking the chain tension

Procedure for checking the drive chain tension, crucial for drivetrain health.

Adjusting the toe width of rear axle

Instructions for adjusting the rear axle toe-in/toe-out for proper wheel alignment.

Wiring Harness, Battery

Changing the ignition curve

Describes how to change the engine's ignition curve for performance or driveability.

Removing the battery

Safety precautions and steps for removing the vehicle battery.

Checking the charging voltage

Procedure for measuring charging system voltage to diagnose electrical issues.

Brake System

Checking the free travel of the hand brake lever

Explains how to check for adequate free play in the hand brake lever for safety.

Checking front brake fluid level

Steps for inspecting the front brake fluid level and identifying potential leaks.

Changing the front brake fluid

Detailed instructions for flushing and replacing the front brake fluid.

Checking rear brake fluid level

Steps for inspecting the rear brake fluid level for leaks.

Changing the rear brake fluid

Detailed instructions for flushing and replacing the rear brake fluid.

Engine

Removing the engine

Comprehensive guide on how to safely remove the engine from the ATV chassis.

Installing the engine

Step-by-step instructions for reinstalling the engine into the ATV chassis.

Disassembling the Engine

Draining the engine oil

Steps for draining the engine oil, including proper disposal and sealing.

Positioning the engine at ignition top dead center (TDC)

Critical procedure for setting the engine to TDC for timing-related work.

Removing the camshaft

Instructions for removing the camshafts from the cylinder head.

Removing the piston

Guide on how to remove the piston from the cylinder.

Engine - Work on Individual Parts

Working on the right section of the engine case

Detailed procedures for working on the right-hand engine crankcase components.

Checking the lubrication system

Inspection guide for the engine's lubrication system components.

Changing connecting rod, conrod bearing and crank pin

Procedure for replacing connecting rod, bearings, and crank pin for engine rebuild.

Checking/measuring cylinder

Steps for measuring cylinder bore diameter and checking for wear.

Checking/measuring the piston

Guide on inspecting piston diameter and condition.

Checking the valve springs

Procedure for inspecting valve springs for wear or breakage.

Checking the valves

How to inspect the engine valves for run-out and sealing.

Engine Assembly

Installing the crankshaft

Steps for installing the crankshaft into the engine case.

Installing the transmission shafts

Procedure for installing the main and countershafts into the engine case.

Installing the left engine case

Guide on installing the left section of the engine crankcase.

Installing the shift shaft

Steps for installing the shift shaft into the engine case.

Installing the centrifugal separator

Procedure for installing the centrifugal separator into the engine.

Installing the primary gear

Steps for installing the primary drive gear onto the crankshaft.

Installing the piston

Instructions for installing the piston into the cylinder, including ring placement.

Installing the cylinder head

Procedure for installing the cylinder head onto the engine block.

Carburetor

Carburetor - adjusting idle

Detailed procedure for adjusting the engine's idle speed via the carburetor.

Checking the position of the throttle position sensor

How to check and adjust the throttle position sensor for correct engine management.

Draining the carburetor float chamber

Instructions for draining the fuel from the carburetor float bowl.

Disassembling the carburetor

Steps for taking apart the carburetor for cleaning or inspection.

Checking/adjusting the accelerator pump

Guide on inspecting and adjusting the carburetor's accelerator pump.

Checking the choke slide

Procedure for inspecting the choke slide for proper function and condition.

Checking the throttle slide

How to inspect the throttle slide and its components for wear or damage.

Checking/adjusting the throttle slide opening

Method for checking and adjusting the throttle slide's opening position.

Checking the float needle valve

Procedure for checking the float needle valve and seat for deposits or wear.

Adjusting the position of the throttle position sensor

How to precisely adjust the throttle position sensor's mounting position.

Clutch

Checking fluid level of hydraulic clutch

Steps for checking the hydraulic clutch fluid level and identifying potential issues.

Changing the hydraulic clutch fluid

Detailed instructions for flushing and replacing the hydraulic clutch fluid.

Transmission

Removing the engine sprocket

Procedure for removing the engine sprocket from the countershaft.

Installing the engine sprocket

Steps for installing the engine sprocket onto the countershaft.

Water Pump, Cooling System

Checking antifreeze and coolant level

Guide on checking the coolant's antifreeze protection and overall level.

Draining coolant

Instructions for safely draining the engine's coolant.

Filling coolant/bleeding the cooling system

Comprehensive steps for refilling and bleeding the cooling system.

Lubrication System

Changing the engine oil and oil filter, cleaning the oil screen

Comprehensive guide for performing an engine oil and filter change.

Filling up with engine oil

Steps for correctly filling the engine with the specified type and amount of oil.

Ignition System

Removing the stator

Procedure for removing the ignition stator from the alternator cover.

Checking the ignition coil

How to test the ignition coil's primary and secondary windings using a multimeter.

Checking the ignition pulse generator

Method for checking the resistance and output voltage of the ignition pulse generator.

ATV Front End

Checking the toe

Procedure for checking the front wheel toe-in/toe-out alignment.

Adjusting the toe

Steps for adjusting the front wheel toe alignment using tie rods.

Checking/adjusting the camber

Guide on checking and adjusting the front wheel camber angle.

Adjusting the fork offset

Instructions for adjusting the fork offset using specific bushings.

Cleaning

Cleaning the vehicle

General guidelines and precautions for cleaning the ATV.

Storage

Storage

Recommendations for storing the vehicle for extended periods, including battery care.

Putting the vehicle into operation after storage

Steps to take to prepare the vehicle for use after a period of storage.

Service Schedule

Important maintenance work to be carried out by an authorized KTM workshop

Schedule of maintenance tasks recommended for authorized KTM workshops.

Important checks and maintenance work to be carried out by the rider

Routine checks and maintenance tasks recommended for the vehicle owner/rider.

Wiring Diagram

Substances

Special Tools

Standards

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