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KTM 300 EXC User Manual

KTM 300 EXC
157 pages
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OWNER'S MANUAL 2021
300 EXC
Art. no. 3214221en

Table of Contents

Other manuals for KTM 300 EXC

Questions and Answers:

KTM 300 EXC Specifications

General IconGeneral
Displacement293.2 cc
Bore x Stroke72 mm x 72 mm
StarterElectric starter
Transmission6-speed
CoolingLiquid cooled
Front SuspensionWP XPLOR-USD, Ø 48 mm
Front BrakeDisc brake
Rear BrakeDisc brake
Ground Clearance370 mm
Seat Height960 mm
Engine Type2-stroke
Rear SuspensionWP Xplor PDS
FrameCentral double-cradle type 25CrMo4 steel
Fuel Tank CapacityApprox. 9 l

Summary

2 Safety Advice

2.1 Use Definition – Intended Use

Defines the intended purpose and limitations of the vehicle for safe operation.

2.2 Misuse

Describes improper uses of the vehicle and potential dangers.

2.3 Safety Advice

General guidelines for safe operation and the importance of warning labels.

2.4 Degrees of Risk and Symbols

Explains risk categories (Danger, Warning, Caution, Note) and their associated symbols.

2.6 Safe Operation

Provides guidelines for safe operation, including fitness to ride and handling hot components.

2.7 Protective Clothing

Emphasizes the importance of wearing appropriate protective clothing for rider safety.

2.10 Owner's Manual

Stresses the importance of reading the manual for operation, handling, and servicing.

3 Important Notes

3.4 Service

Explains the importance of regular service for operation, wear prevention, and longevity.

6 Controls

6.4 Switch-Off Button

Explains the function and states of the switch-off button for ignition control.

6.8 Emergency OFF Switch

Explains the function of the emergency OFF switch for ignition control.

6.11 Opening the Fuel Tank Filler Cap

Provides safety warnings and steps for opening the fuel tank cap.

6.19 Locking the Steering

Provides steps and safety notes for locking the steering mechanism.

6.20 Unlocking the Steering

Details the procedure for unlocking the steering mechanism and safety notes.

8 Preparing for Use

8.1 Advice on Preparing for First Use

Provides essential safety advice and pre-ride checks before operating the vehicle for the first time.

8.2 Running in the Engine

Details the procedure and guidelines for breaking in the engine to ensure longevity.

8.3 Preparing the Vehicle for Difficult Operating Conditions

Advises on steps for operating the vehicle in challenging environments like sand or mud.

9 Riding Instructions

9.1 Checks and Maintenance Measures When Preparing for Use

Lists essential pre-ride checks and maintenance tasks to ensure safe operation.

9.2 Starting the Vehicle

Provides instructions and safety warnings for starting the motorcycle engine.

9.3 Starting Off

Guides on procedures for safely moving off and engaging the clutch and throttle.

9.4 Shifting, Riding

Explains correct gear shifting techniques and riding practices, including choke usage.

9.5 Braking

Details braking techniques, warnings about brake system issues and surface conditions.

9.8 Refueling

Covers safety procedures and guidelines for refueling the vehicle's fuel tank.

10 Service Schedule

10.2 Required Work

Lists mandatory maintenance tasks based on operating hours or time intervals.

11 Tuning the Chassis

11.1 Checking the Basic Chassis Setting with the Rider's Weight

Explains how to set up the suspension based on rider weight for optimal handling.

11.3 Adjusting the Low-Speed Compression Damping of the Shock Absorber

Details how to adjust the low-speed compression damping on the shock absorber.

11.4 Adjusting the High-Speed Compression Damping of the Shock Absorber

Provides instructions for adjusting the high-speed compression damping on the shock absorber.

11.5 Adjusting the Rebound Damping of the Shock Absorber

Explains how to adjust the rebound damping on the shock absorber for desired suspension feel.

11.7 Checking the Static Sag of the Shock Absorber

Details how to check the static sag of the rear suspension with the rider's weight.

11.8 Checking the Riding Sag of the Shock Absorber

Explains how to check the riding sag of the rear suspension with the rider mounted.

11.9 Adjusting the Spring Preload of the Shock Absorber

Provides steps for adjusting the spring preload on the shock absorber to set sag.

11.12 Adjusting the Compression Damping of the Fork

Details how to adjust the compression damping on the fork legs.

11.13 Adjusting the Rebound Damping of the Fork

Explains how to adjust the rebound damping on the fork legs.

12 Service Work on the Chassis

12.11 Checking Steering Head Bearing Play

Guides on how to check for play in the steering head bearings and its implications.

12.12 Adjusting the Steering Head Bearing Play

Details the procedure for adjusting the steering head bearing play to eliminate looseness or stiffness.

12.33 Checking the Chain Tension

Explains how to check drive chain tension and the consequences of incorrect tension.

12.34 Adjusting the Chain Tension

Details the procedure for adjusting the drive chain tension correctly.

12.35 Checking the Chain, Rear Sprocket, Engine Sprocket, and Chain Guide

Guides on inspecting wear on the drive chain, sprockets, and guide.

13 Brake System

13.1 Checking the Free Travel of the Hand Brake Lever

Guides on checking the free travel of the front brake lever and associated warnings.

13.2 Adjusting the Free Travel of the Handbrake Lever

Details how to adjust the free travel of the front brake lever.

13.3 Checking the Brake Discs

Explains how to check brake discs for wear, damage, and cracking.

13.4 Checking the Front Brake Fluid Level

Guides on checking the front brake fluid level and related warnings.

13.5 Adding Front Brake Fluid

Provides instructions and safety warnings for adding front brake fluid.

13.6 Checking the Front Brake Linings

Guides on checking the minimum thickness and condition of front brake linings.

13.7 Changing the Brake Linings of the Front Brake

Details the procedure and safety warnings for changing front brake linings.

13.8 Checking the Free Travel of Foot Brake Lever

Guides on checking the free travel of the rear brake lever and associated warnings.

13.9 Adjusting the Basic Position of the Foot Brake Lever

Details how to adjust the basic position of the rear brake lever.

13.10 Checking the Rear Brake Fluid Level

Guides on checking the rear brake fluid level and related warnings.

13.11 Adding Rear Brake Fluid

Provides instructions and safety warnings for adding rear brake fluid.

13.12 Checking the Brake Linings of the Rear Brake

Guides on checking the minimum thickness and condition of rear brake linings.

13.13 Changing the Brake Linings of the Rear Brake

Details the procedure and safety warnings for changing rear brake linings.

14 Wheels, Tires

14.5 Checking the Tire Condition

Guides on inspecting tires for wear, damage, and age, and checking tread depth.

14.6 Checking Tire Pressure

Details how to check tire pressure for street and offroad use, and the importance of correct pressure.

15 Electrical System

15.1 Removing the 12-V Battery

Guides on safely disconnecting and removing the 12-V battery, including warnings.

15.2 Installing the 12-V Battery

Details the procedure for installing the 12-V battery, including terminal connections and torque.

15.3 Charging the 12-V Battery

Explains how to charge the 12-V battery and its importance for battery life.

16 Cooling System

16.2 Checking the Antifreeze and Coolant Level

Guides on checking coolant level and antifreeze protection, with safety warnings.

16.3 Checking the Coolant Level

Details how to check the coolant level in the radiator and add if necessary.

16.5 Refilling with Coolant

Guides on refilling the cooling system with coolant and bleeding air.

16.6 Changing the Coolant

Provides instructions and safety warnings for a complete coolant change.

17 Tuning the Engine

17.1 Checking the Throttle Cable Play

Guides on checking throttle cable play and its effect on idle speed and control.

17.2 Adjusting the Throttle Cable Play

Details the procedure for adjusting the throttle cable play for correct operation.

17.4 Carburettor – Idle Speed

Explains the importance of correct idle speed and provides factory settings.

17.5 Carburetor – Adjusting the Idle Speed

Guides on adjusting the idle speed and mixture using carburetor screws.

18 Service Work on the Engine

18.2 Checking the Gear Oil Level

Explains how to check the gear oil level when the engine is cold.

18.3 Changing the Gear Oil

Provides instructions and safety warnings for changing the engine gear oil.

18.4 Adding the Gear Oil

Guides on adding gear oil to the correct level when the engine is cold.

20 Storage

20.1 Storage

Provides a comprehensive checklist for preparing and storing the motorcycle for extended periods.

20.2 Preparing for Use After Storage

Details the steps required to bring the motorcycle back into service after a storage period.

21 Troubleshooting

The Engine Cannot Be Cranked (Starter Motor)

Lists possible causes and actions for when the engine starter motor fails to operate.

Engine Turns But Does Not Start

Addresses common causes and solutions for when the engine cranks but doesn't start.

Engine Has Too Little Power

Identifies potential issues causing reduced engine power and their remedies.

Engine Stalls or is Popping into the Carburetor

Covers causes for engine stalling or backfiring and how to resolve them.

Engine Overheats

Lists causes for engine overheating and necessary checks or actions.

22 Technical Data

22.2 Engine Tightening Torques

Provides a table of specified torque values for various engine screws and bolts.

22.10 Chassis Tightening Torques

Lists specified torque values for various chassis screws and bolts.

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