DR RV170 User Manual

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Read and understand this manual and all instructions before operating the DR VERTICAL SHAFT ENGINE.

DR Power Equipment

Toll-free phone: 1-800-DR-OWNER (376-9637)

Website: www.DRpower.com

DR

®

VERTICAL SHAFT ENGINE

SAFETY & OPERATING INSTRUCTIONS

Models:

RV170

Table of Contents

Questions and Answers:

R
Rebecca PageAug 5, 2025
What to do if my DR Engine is hard to start and the spark plug is bad?
- W
  wmaddoxAug 5, 2025
  If your DR Engine is difficult to start, inspect the spark plug. If it's in bad condition, clear it. For electrodes that are severely burn-damaged or insulators that are damaged, replace the spark plug. Ensure the electrodes gap is properly adjusted. Damaged high-tension lines, ignition coils, or a magneto that has lost magnetism should all be replaced. Adjust the gap between the ignition coil and flywheel if it's incorrect.
G
gilbertanthonyAug 20, 2025
Why is my DR Engine difficult to start and how to resolve piston ring issues?
- V
  Veronica SmithAug 20, 2025
  If your DR Engine is difficult to start, issues within the piston ring or related components may be the cause. If the piston ring is worn, broken, or sticking, it should be replaced or cleaned of carbon fouling. Ensure the spark plug is tightly installed with a gasket. Check for air leakage between the cylinder block and cylinder head by inspecting the cylinder gasket and the flatness of the contacting surfaces. Air leakage in the valves requires checking the valve clearance and tightness, with repairs done as needed.

DR RV170 Specifications

General

Brand	DR
Model	RV170
Category	Engine
Language	English

Summary

General Safety Rules

Safety Labels Overview

Copies of all Safety and Information labels that appear on the equipment.

Gasoline-Powered Engine Safety

Precautions for safe handling and operation of gasoline-powered engines.

Setting Up the DR Vertical Shaft Engine

Engine Controls and Features

Identification of key controls and features of the engine, including diagrams.

Engine Oil Level Check

Procedure for checking the engine oil level using the dipstick.

Air Cleaner and Fuel Check

Servicing the air cleaner and checking the fuel level.

Operating the DR Vertical Shaft Engine

Starting the Engine

Step-by-step instructions for starting the engine, with model variations.

Stopping the Engine

Procedures for stopping the engine for different switch types.

Maintaining the Exhaust Control System

Exhaust Control System Service

Information on engine emissions and the importance of exhaust control.

Problems Affecting Exhaust Emissions

Common issues that affect engine exhaust emissions.

General Maintenance Procedures

Maintenance Schedule

Periodic maintenance tasks and their recommended frequency.

Replacing Engine Oil

Detailed steps for replacing engine oil, including disposal advice.

Spark Plug Maintenance

Steps for cleaning, gapping, and replacing the spark plug.

Transport and Storage

Transporting the Engine

Safety warning regarding fuel spills during transportation.

Engine Storage Procedures

Steps for long-term storage of the engine.

Troubleshooting Engine Problems

Engine Difficult to Start

Causes and remedies for the engine failing to start.

Poor Engine Power Output

Troubleshooting issues causing insufficient engine power output.

Engine Stops Suddenly

Causes and remedies for the engine stopping suddenly during operation.

Engine Overheating

Causes and remedies for engine overheating.

Emissions Control System Warranty

Warranty Rights and Obligations

Owner's rights and responsibilities regarding the emissions warranty.

Manufacturer's Warranty Coverage

Manufacturer's warranty coverage for emissions control systems.

Defects Warranty Requirements

Requirements for warranty claims related to defects.

Emission Warranty Parts List

List of exhaust and evaporative emission-related parts covered under warranty.

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