Lawn-Boy M21BMR User Manual

LAWN-BOY M-SERIES WPM SERVICE MANUAL
Table of Contents – Page 1 of 3
INDEX
GENERAL INFORMATION
INTRODUCTION
SAFETY SYMBOLS AND NOTES
2 CYCLE PRINCIPLES OF OPERATION
1ST CYCLE - DOWN STROKE
2ND CYCLE - UP STROKE
MOWER SPECIFICATIONS
ENGINE SPECIFICATIONS
MODEL NUMBER INDENTIFICATION
"M"-SERIES FEATURES
LUBRICATION (OIL)
GASOLINE
TORQUE REFERENCE
STORAGE PROCEDURE
REMOVING FROM STORAGE
CARBURETION
OPERATION
AIR FILTERS
CARBURETOR REMOVAL
CARBURETOR DISASSEMBLY
CARBURETOR ASSEMBLY
CARBURETOR INSTALLATION
FRESHLUBE OIL INJECTION
OPERATION
INSTALLATION
ADJUSTMENT
TESTING
CHECK VALVE TEST
GOVERNOR CONTROL AND LINKAGES
OPERATION
ADJUSTMENT
ELECTRICAL SYSTEM
IGNITION SYSTEM
SPARK PLUG
IGNITION TROUBLESHOOTING
INTERLOCK SYSTEM
INTERLOCK SYSTEM TROUBLESHOOTING
ELECTRIC START SYSTEM

Lawn-Boy M21BMR Specifications

General

Engine	Briggs & Stratton
Engine Type	4-Cycle
Starter Type	Recoil
Cutting Width	21 inches
Drive System	Rear Wheel Drive
Wheel Size	8 inches