MTD 270-SUA - User Manual

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MTD Products Ltd., P. O. Box 1386, KITCHENER, ONTARIO N2G 4J1

Printed In USA

Safe Operation Practices • Set-Up • Operation • Maintenance • Troubleshooting • Warranty

WARNING

READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL

BEFORE ATTEMPTING TO OPERATE THIS MACHINE.

FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

179cc, 208cc & 243cc OHV Horizontal Shaft Engine

OPERATOR’S MANUAL

769-06098D

6.6.13

Table of Contents

Questions and Answers

B
burtondavidAug 7, 2025
Why does my MTD 270-SUA Engine fail to start?
- K
  Kelly ZimmermanAug 7, 2025
  Your MTD Engine might fail to start due to several reasons. It could be flooded, in which case you should wait at least 10 minutes before attempting to start it again. Other potential causes include a disconnected spark plug wire (connect it to the spark plug), an empty fuel tank or stale fuel (fill the tank with clean, fresh gasoline), the engine not being choked (choke the engine), a faulty spark plug (clean, adjust the gap, or replace it), or the throttle being in the stop position (move the throttle to the FAST/Run position).
L
Laura ShepherdAug 23, 2025
What to do if MTD Engine runs erratically?
- W
  William HesterAug 23, 2025
  If your MTD Engine runs erratically, check the following: Ensure the spark plug wire is securely connected and tightened. If the spark plug is scorched, defective, or has an incorrect electrode gap, readjust the gap or replace the plug. Stale fuel can also cause this issue, so replace it with clean, fresh gasoline. Make sure the engine isn't running with the choke on; if it is, move the choke to the off position. Lastly, check for water or dirt in the fuel system; if present, drain the fuel tank and refill with fresh fuel.

MTD 270-SUA Specifications

General

Brand	MTD
Model	270-SUA
Category	Engine
Language	English

Summary

Important Safe Operation Practices

Training

Safe Handling of Gasoline

Precautions for handling gasoline to prevent fires and explosions.

Operation

Pre-Operation Check

Essential checks before starting the engine to ensure safety and performance.

Engines With Recoil Starters

Stopping the Engine & Short Term Storage

Do Not Modify Engine

Warning against altering engine components or governor settings.

Starting the Engine

General instructions for starting the engine safely.

Engines With Electric Starters

Set-Up

Oil & Fuel Specifications

Recommendations for engine oil type, viscosity, and fuel requirements.

Fuel Recommendations

Guidance on appropriate gasoline types and octane ratings.

Filling Oil Sump

Adding Fuel

Safety instructions and procedures for refueling the engine.

Controls and Features

Key Engine Controls

Explains primary controls like throttle, choke, primer, and starter.

Maintenance

Maintenance Schedule

A table outlining required maintenance tasks and intervals.

Spark Plug Service

Checking and Changing the Oil

Detailed steps for checking and changing the engine oil.

Transporting Your Engine

Troubleshooting

Engine Fails to Start

Common causes and remedies for an engine that won't start.

Engine Runs Erratically

Troubleshooting steps for an engine running unevenly.

Engine Overheats

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