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3,270,546 satisfied buyers
GY6 QMB139 4-STROKE OHV SCOOTER ENGINE SERVICE REPAIR MANUAL
PLEASE SEE THE SAMPLE PAGE ON PREVIEW FOR QUALITY OF THE MANUAL AND BUY WITH CONFIDENCE.
THIS MANUAL IS COMPATIBLE WITH THE FOLLOWING COMPUTER OPERATING SYSTEMS:
# ALL WINDOWS VERSION
# ALL MAC VERSION
# YOU NEED THE ADOBE ACROBAT READER TO VIEW THE DOCUMENT AS THE MANUAL IS PDF FORMAT. IF YOUR COMPUTER DONT HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM ADOBE ACROBAT WEBSITE
# AS THIS MANUAL IS COMING TO YOU IN ZIP FORMAT, YOU NEED TO EXTRACT THE FILE BEFORE USE BY USING WINZIP OR WINRAR SOFTWARE. IF YOUR COMPUTER DONT HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE
# FILE SIZE 30 MB
ENGINE COVERED:
49.5 cc 1-CYLINDER, 4-STROKE, AIR-COOLED, 139QMB ENGINE
CONTENTS:
GENERAL INFORMATION
TIGHTENING TORQUE
TROUBLESHOOTING
MAINTENANCE
ENGINE TOP END
LUBRICATION SYSTEM
FUEL SYSTEM
CARBURETOR SYSTEM
CYLINDER HEADS & VALVES
CYLINDER & PISTON
DISASSEMBLY & ASSEMBLY
DRIVE PULLEY & CLUTCH
TRANSMISSION SYSTEM
CRANKCASE-CRANKSHAFT
CHARGING SYSTEM
IGNITION SYSTEM
MAGNETO SYSTEM
STARTING SYSTEM
CIRCUIT DIAGRAM
THIS MANUAL PRESENTED FOR YOU IN ELECTRONIC FORMAT YOU CAN JUST PRINT OUT THE PAGE YOU NEED THEN DISPOSE OF IT WHEN YOU HAVE COMPLETED YOUR TASK. THIS MANUAL HAS DETAILED ILLUSTRATIONS AS WELL AS STEP BY STEP WRITTEN INSTRUCTIONS WITH THE NECESSARY DIAGRAMS OR PICTURES. THESE MANUALS ARE YOUR NUMBER ONE SOURCE FOR REPAIR AND SERVICE INFORMATION & SPECIFICALLY WRITTEN FOR THE DO-IT-YOURSELF AS WELL AS THE EXPERIENCED MECHANICS WORLDWIDE USED TO USE THIS FACTORY MANUAL TO FIX YOUR VEHICLE. USING THIS REPAIR MANUAL IS AN INEXPENSIVE WAY TO KEEP YOUR CAR WORKING PROPERLY. IT IS THIS LEVEL OF DETAIL, ALONG WITH ILLUSTRATIONS, THAT GUIDE THE READER THROUGH EACH SERVICE, REPAIR & MAINTENANCE PROCEDURE.
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