1985 Yamaha 150etlk Outboard Service Repair Maintenance Manual Factory
DESCRIPTION:
This manual was written by the Yamaha Motor Company primarily for use by Yamaha dealers and their qualified mechanics. It is not possi- ble to put an entire mechanic’s education into one manual, so it is assumed that persons us- ing this book to perform maintenance and repairs on Yamaha outboards have a basic understanding of the mechanical concepts and procedures inherent to outboard motor repair technology.
without such knowledge, attemp- ted repairs or service to this model may render it unfit for use and/or unsafe. – This model has been designed and manufac- tured to perform with certain specifications in regard to performance. Proper service with the correct tools is necessary to ensure that the outboard will operate as designed.
If there is any question about a service procedures, it is imperative that you contact a Yamaha dealer for any service information changes that app- ly to this model. This policy is intended to pro- vide the customer with the most satisfaction L from his outboard motor and to conform: with federal environmental quality objectives
This Supplementary Service Manual has been prepared to introduce new service and new data for the V-6 Special. For complete infor- mation on service procedures, it is necessary to use this Supplementary Service Manual together with following manual: 150/175/200Hp Service Manual . .7 (LIT-18616-00-06)
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TABLE OF CONTENTS:
SPECIAL TOOLS
Forelactrlcalsarvica
PROPELLER SELECTION
PERIODIC INSPECTION AND ADJUSTMENTS
Perlodlcmalntenance
lgnitiontimingadiustmont
Throttle linkage adjustment in carburetor
Ollpumpllnkadjustment
Adjustingtholdlingspeed ‘
THROTTLE POSITION SENSOR ADJUSTMENT
CHECKING THE CRANK POSITION SENSOR GAP
CARBURETION
Removal
lnstallation
Y M I S (YAMAHA MICRO-COMPUTER IGNITION SYSTEM)
FUNCTIONS OF YMIS
Y M I S operationnotes
POWER HEAD REMOVAL
Electficnlparts
ENGINE ASSEMBLY AND ADJUSTMENT
Electricalaquipmant
ControlunitIY M l S I
Ignltloncoll
Otherelectrlcalpans
Jolntthcleadconnectors
Selectionofrovorsogoarshim
GEAR SHIM ADJUSTMENT
Maaauringthe backlash offorward gear
Selectingshimsforforwardgear
Maasurlngthebacklashofravarsegear
Selectingshimsforreversegaar
ELECTRICAL SYSTEM
Wirlng Diagram
Equipment
erlngcolor
IGNITION SYSTEM INSPECTION AND REPLACEMENT
PulsarcolI
ELECTRICAL EQUIPMENT FOR Y M I S
Sparkplug cap raplnccment
SPECIFICATIONS
Ganaralspacificmions
Maintenancespecifications
TROUBLESHOOTING
EXPLODED DIAGRAM
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