OMA-7705 – 9.9/15HP Models 1977 Service Manual – Johnson

The OMA-7705 Service Manual covers 1977 Johnson 9.9HP and 15HP outboard engine models. This second-hand workshop publication provides useful technical literature for maintaining and restoring these smaller marine engines. Additionally, its model-year coverage supports owners researching original Johnson servicing arrangements.
Manual number OMA-7705 identifies the 1977 Johnson 9.9HP and 15HP service publication. These horsepower categories are associated with smaller recreational and auxiliary boating applications. Therefore, dedicated technical literature offers a valuable resource for understanding the engine systems described within the manual.
The Service Manual supports maintenance planning, mechanical research, and vintage outboard restoration projects. Furthermore, printed workshop literature provides convenient access to technical information during servicing activities.
Shop at Arizona Outboard Dismantlers to keep your outboard running strong and ready for the water.