For your consideration is a Yamaha oem Service Manual pdf download:
Manual # LIT-18616-00-07_1984-1987 115 hp 2-stroke models 262 pgs

[Yamaha tech pubs says to use this manual for all models of above 1984 to 1987]

This complete service manual covers all repair topics such as:
General Information
Periodic Inspection and Adjustments
Fuel System
Power Unit
Lower Unit
Electrical System
Bracket Unit
Specification
Troubleshooting
+many subsections of the above sections
All of the above have many subsections +Detailed Wiring and Circuit Diagrams, illustrations, photos, exploded views and step-by-step Instructions Diagnostics and similar topics.

NO waiting, Instant Download, All pages are printable, saving you money on postage and packaging.
Great item for the do-it-yourself mechanic to save dealer labor costs, or just nice to have on hand. Why spend $70+ per hour labor at your local dealer, most maintenance is easier than you think. ----buy now.
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File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English
Requirements: Adobe PDF Reader