GY6 QMB139 4-STROKE OHV SCOOTER ENGINE SERVICE REPAIR MANUAL


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 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 DON'T 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 DON'T HAVE THIS APPLICATION YOU CAN DOWNLOAD AND INSTALL IT FREE FROM WINZIP WEBSITE


A full comprehensive Electronic Workshop Manual . This is Recommend for professional mechanics and even for non-experienced people who wants to save money by making the repairs themselves. This is the same type of service manual your local dealer as well as the technician use when doing a repair & servicing for your vehicle.



Reason to buy this manual:

Save forever to your hard disc because a disc become faulty anytime
No need to waste time by waiting for postal delivery
Readable by any Devices with PDF Reader
Ready to Print
High Definition diagrams
Well structured contents
Very detailed instructions
Bookmarks for every chapter
No need to install any extra software