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Subaru Robin Engines SX21 User Manual

Subaru Robin Engines SX21
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2ZZ9990155
SX series
ISSUE EMD-EU6696
PRINTEDINJAPAN
May2009
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Subaru Robin Engines SX21 Specifications

General IconGeneral
Fuel TypeUnleaded Gasoline
Ignition SystemTransistorized Magneto Ignition
Engine Type4-stroke, air-cooled, single cylinder, OHV
Max Torque12.5 Nm (1.27 kg-m) at 2500 RPM
Fuel Tank Capacity3.6 L
Oil Capacity0.6 L
Starting SystemRecoil start
Dry Weight16 kg
Fuel SystemCarburetor

Summary

SYMBOLS

2. COMPONENTS

AIR INDEX

FEDERAL EMISSIONS COMPONENT DEFECT WARRANTY

PARTS COVERED

Lists specific engine parts covered under the Federal Emissions Component Defect Warranty.

OBTAINING WARRANTY SERVICE

Procedure for locating an authorized service dealer and obtaining warranty repairs.

OWNER'S WARRANTY RESPONSIBILITIES

Outlines the owner's duties regarding maintenance and presenting the engine for service.

HOW TO MAKE A CLAIM

Steps to follow for reporting a defective emission-related part and initiating a warranty claim.

CALIFORNIA EMISSIONS CONTROL WARRANTY STATEMENT

MANUFACTURER'S WARRANTY COVERAGE

Details the duration and scope of the manufacturer's warranty for emissions components.

OWNER'S WARRANTY RESPONSIBILITIES

Defines the owner's obligations for maintenance and reporting issues in California.

GENERAL EMISSIONS WARRANTY COVERAGE California Only

Specific terms, conditions, and exclusions for California emissions warranty.

FOREWORD

1. SAFETY PRECAUTIONS

EXHAUST PRECAUTIONS

Specific warnings regarding the hazards of engine exhaust gases and ventilation.

REFUELING PRECAUTIONS

Safety instructions for refueling the engine with gasoline, emphasizing fire hazards.

FIRE PREVENTION

Guidelines to prevent fires, including placement, flammable materials, and ignition sources.

OTHER SAFETY PRECAUTIONS

Additional safety advice covering rotating parts, hot components, and general handling.

1. SAFETY PRECAUTIONS

BEFORE PERFORMING ADJUSTMENTS OR REPAIRS

Safety instructions before undertaking any maintenance or repair work on the engine.

PRE-OPERATION CHECKS

Essential checks to perform before starting the engine to ensure safe operation.

SYMBOLS

2. COMPONENTS

3. PRE-OPERATION CHECKS

CHECK ENGINE OIL

Procedure for checking and refilling engine oil, including recommended types and capacities.

CHECK FUEL

Instructions for checking fuel level and type, with warnings about refueling safety.

5. BELT PULLEY INSTALLATION ONTO KEYWAY-TYPE CRANKSHAFT

Key Location

Correct positioning of the key and spacer for proper pulley installation on the crankshaft.

SAE (inch) keyway-type crankshaft

Specifications for washers and bolts used in pulley installation on SAE crankshafts.

Belt Pulley Installation

Illustrations and instructions for correct versus incorrect belt pulley mounting.

6. OPERATING YOUR ENGINE

STARTING MANUAL START

Step-by-step guide for starting the engine using the manual recoil starter.

ELECTRIC START

Procedure for starting the engine using the electric starter system.

STOPPING

Correct methods for shutting down the engine safely.

7. MAINTENANCE

DAILY INSPECTION

Essential checks to perform before each use of the engine.

PERIODIC INSPECTION

Scheduled maintenance intervals and tasks for optimal engine operation.

INSPECTING THE SPARK PLUG

Procedure for checking, cleaning, and adjusting the spark plug for proper ignition.

7. MAINTENANCE

ENGINE OIL CHANGE

Steps for changing the engine oil, including initial and subsequent intervals.

CLEANING FUEL CUP

Instructions for cleaning the fuel cup to prevent fuel system issues.

HIGH ALTITUDE ENGINE OPERATION

Information and recommendations for operating the engine at high altitudes.

PREPARATIONS FOR STORAGE

Guidance on preparing the engine for long-term storage.

9. EASY TROUBLESHOOTING

WHEN ENGINE WILL NOT START

Initial checks and common causes when the engine fails to start.

Is there a strong spark across the electrode ?

Troubleshooting steps to diagnose ignition system issues, focusing on spark plug condition.

Is there enough compression?

Checking for adequate engine compression as a factor in starting problems.

Is the spark plug wet with gasoline?

Diagnosing flooding issues by checking the spark plug for excessive fuel.

10. SPECIFICATIONS

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