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Rotax 277 User Manual

Rotax 277
30 pages
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OPERATOR'S MANUA L
TYPE 277
ENGINES
EQUIPPED
W
ITH
BOSCH
CONTACT
BREAKER
IGNITION
SYSTEM AND
BING
CARBURETOR
Edition:
O3 1988
,l
THIS
I{ANUAL
CONTAINS
IMPORTANT
SAFETI
INFoRI1ATION
CONCERIIING
YoUR
ENGINE.
WITH
THN
EIIGINE
AT TIME
OF
RESALE.
AND MAINTENANCE
IT SHOULD
REMAIN
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Rotax 277 Specifications

General IconGeneral
Cooling SystemAir-cooled
CarburetorBing 54
Compression Ratio10.5:1
Type2-stroke, single cylinder
Bore x Stroke72 mm x 66 mm
Power Output26 hp
Fuel SystemCarburetor
Ignition SystemMagneto
Lubrication SystemOil injection

Summary

SECTION 1 IMPORTANT PREFACE

GENERAL SAFETY POINTS

Key safety guidelines for engine operation and maintenance.

SECTION 2 FOREWORD

SECTION 3 FUEL AND OIL

FUEL AND OIL

Information on fuel contamination, storage, and mixing procedures.

MIXING PROCEDURE

Step-by-step guide for correctly mixing fuel and oil.

SECTION 4 STARTING PROCEDURE

PRE-START CHECK

Essential pre-operation checks for safe and reliable engine starting.

STARTING PROCEDURE

Step-by-step instructions for starting the engine.

SECTION 5 BREAK-IN PROCEDURE

ENGINE BREAK-IN

Procedure for initial engine break-in, including RPM and time settings.

SECTION 6 CARBURETION

BING CARBURETOR DESCRIPTION

Details on the BING carburetor, its adjustments, and filter requirements.

BING CARBURETOR TYPICAL PARTS

Illustrated breakdown of the BING carburetor components for identification.

SECTION 7 EXHAUST SYSTEMS

SECTION 8 INSTRUMENTS - HOW AND WHY

SECTION 9 IGNITION SYSTEM

IGNITION TIMING PROCEDURE

Step-by-step guide for setting the engine's ignition timing.

SECTION 10 SPECIAL OPERATION CONDITIONS

SECTION 11 MAINTENANCE SCHEDULE

POST BREAK-IN INSPECTION CHECK LIST

Checklist for essential inspections after the initial engine break-in period.

SPARK PLUG MAINTENANCE

REWIND STARTER MAINTENANCE

COOLING SYSTEM INSPECTION

ENGINE MAINTENANCE TASKS

ENGINE TIMING

Engine timing inspection and adjustment intervals for optimal performance.

ENGINE HEAD NUTS

Requirements for annual engine head nut checks and re-torquing.

ENGINE MOUNT NUTS

Visual check and annual re-torque of engine mount nuts for security.

AIR FILTRATION SYSTEM

Frequent inspection of the air filtration system for cleanliness.

FUEL FILTRATION SYSTEM

Regular check of the fuel filtration system for clean fuel supply.

DECARBONIZING

Procedure for decarbonizing the engine's combustion chamber.

STORAGE PROCEDURES

Precautions for protecting the engine during storage periods.

SECTION 12 TROUBLE SHOOTING

SECTION 13 REPAIR LOG

SECTION 14 LIGHTING CIRCUIT

WIRING DIAGRAM: RECTIFIER-REGULATOR 866 080 (No Battery)

WIRING DIAGRAM: RECTIFIER-REGULATOR 866 080 (With Battery)

WIRING DIAGRAM: ELECTRIC STARTER

WIRING DIAGRAM: RECTIFIER-REGULATOR 264 870 (No Battery)

WIRING DIAGRAM: RECTIFIER-REGULATOR 264 870 (With Condenser)

WIRING DIAGRAM: RECTIFIER-REGULATOR 264 870 (With Battery)

SECTION 15 WIRING DIAGRAM (Ignition)

DAMPING BOX TROUBLESHOOTING

Precautions and troubleshooting for the ignition damping box.

SECTION 16 TECHNICAL DATA

CUSTOMER INFORMATION: UL-PROP GEAR

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