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Yamaha DT80MX User Manual

Yamaha DT80MX
135 pages
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Table of Contents

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Yamaha DT80MX Specifications

General IconGeneral
Displacement79 cc
Fuel SystemCarburetor
IgnitionCDI
Transmission5-speed
Final DriveChain
Front SuspensionTelescopic fork
Rear SuspensionSwingarm
Front BrakeDrum
Rear BrakeDrum
Tires Rear3.00-18
Engine TypeSingle-cylinder, 2-stroke
Starting SystemKick starter
Fuel Capacity7.5 L (2.0 US gal)

Summary

General Information

Special Tools and Gauges

Notes on Maintenance

Motorcycle Features Overview

Periodic Inspection and Adjustment

Periodic Maintenance Schedule

Schedule for regular checks and service intervals for motorcycle components.

Lubrication Intervals

Recommended intervals for lubricating various parts of the motorcycle.

Key Maintenance Points

Piston and Piston Ring Service

Transmission System Service

Shifter Operation and Adjustment

Carburetor Maintenance and Adjustment

Needle Valve Wear Inspection

Inspection of the needle valve and valve seat for wear or damage.

Fuel Level Check and Adjustment

Procedure for checking and adjusting the fuel level in the carburetor.

Reed Valve Stopper Height

Checking and adjusting the reed valve stopper height and gap.

Chassis and Front Fork Service

Front Fork Oil Replacement

Procedure for draining and replacing the fork oil.

Front Fork Disassembly

Steps for disassembling the front fork using special tools.

Steering Head Assembly Service

Crank Pedal Operation

Wheel and Brake System Maintenance

Brake Adjustment

Instructions for adjusting front and rear brake systems.

Drive Chain Inspection and Adjustment

Inspection and adjustment of the drive chain tension.

Electrical System Checks

Spark Plug Check

Procedure for checking the spark plug condition and gap.

Contact Breaker Points Check

Steps to check, clean, and adjust contact breaker points.

Ignition Coil Resistance Check

Procedure for checking ignition coil resistance.

Miscellaneous Information

Cable Routing Diagram

Diagrams showing correct routing for various cables and wires.

Technical Specifications

Maintenance Specifications

Detailed specifications for maintenance tasks and intervals.

Tightening Torque Specifications

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