Yamaha Marine 40C, 50C Outboards Repair Service Manual

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This Yamaha Outboard Engine Workshop Service Repair manual PDF download for the 40C, 50C Yamaha Marine Outboards has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.


Yamaha 40C
Yamaha 50C


USA and CANADA name
40TR 50TR

Yamaha 40TR 6H4 L: 1005165 ~
Yamaha 50TR 6H5 L: 1004305 ~


How to use this manual

Chapter 1, General Information
Chapter 2, Specifications
Chapter 3, Periodic Inspection and Adjustment
Chapter 4, Fuel System
Chapter 5, Power Unit
Chapter 6, Lower Unit
Chapter 7, Bracket Unit
Chapter 8, Electrical System
Chapter 9, Trouble-Analysis


File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : LIT-18616-02-65 / 63B-28197-1F-11
Total Pages : 215

All of the procedures in this manual are organized in a sequential, step-by-step format. The information has been compiled to provide the mechanic with an easy to read, handy reference that contains comprehensive explanations of all disassembly, repair, assembly, and inspection operations.

This Service / Repair / Workshop Manual PDF Download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

Instant Download means there is NO shipping costs or waiting for a CD or paper manual to arrive in the mail! You will receive this manual TODAY via Instant Download on completion of payment via our secure payment processor. We accept ALL major credit/debit cards/paypal.

More Info :

40C / 50C Service Manual
How to use this manual
Chapter 1, General Information
Safety while working
Special tools
Chapter 2, Specifications
General specifications
Maintenance specifications
Tightening torque
Chapter 3, Periodic Inspection and Adjustment
Maintenance interval chart
Periodic service
Fuel system / control system
Oil injection system
Power trim and tilt system
Lower unit
Chapter 4, Fuel System
Fuel joint, fuel filter and fuel pump
Carburetor removal
Prime starter
Oil tank
Oil pump
Chapter 5, Power Unit
Power unit removal
Recoil starter
Flywheel magneto and magneto base
Electrical unit removal
Electrical unit
Reed valve and check valve
Cylinder head, thermostat and exhaust cover
Crankcase and cylinder body
Crank shaft and piston
Chapter 6, Lower Unit
Lower unit removal
Water pump
Propeller shaft and reverse gear
Drive shaft, forward gear and shift rod
Chapter 7, Bracket Unit
Tiller handle removal
Tiller handle
Link ass’y disassembly
Shift actuator and bottom cowling
Upper case removal
Upper case and exhaust manifold
Clamp bracket
Steering bracket
Swivel bracket
Swivel bracket disassembly
Tilt unit removal
Tilt cylinder, pump housing and motor removal
Tilt cylinder
Pump housing
PTT motor
Chapter 8, Electrical System
Electrical components
Electrical unit components
Electrical analysis
Ignition system
Ignition control system
Starting system
Starter motor
Charging system
Enrichment control system
Power trim and tilt control system
Chapter 9, Trouble-Analysis


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Yamaha Marine 40C, 50C Outboards Repair Service Manual.pdf

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