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General| Engine Type | 2-Stroke |
|---|---|
| Horsepower | 80 hp |
| Cylinder(s) | 3 |
| Fuel Induction System | Carburetor |
| Starting System | Electric |
| Steering | Remote |
| Displacement | 1140 cc |
| Bore x Stroke | 82 x 72 mm |
| Gear Ratio | 2.00:1 |
| Weight | 126-128 kg |
| Max Power | 80 hp |
| Full Throttle RPM Range | 4500 - 5500 rpm |
| Shaft Length | 20 in |
Provides overall technical specifications for various Yamaha outboard motor models.
Details specific measurements and tolerances for engine and electrical components.
Outlines recommended maintenance intervals and procedures for various items.
Details the procedures for adjusting the timing plate and ignition timing.
Details the inspection of carburetor body, needle valve, pilot screw, float, etc.
Covers cleaning and inspection of the cylinder head for warping and damage.
Covers inspection of connecting rod axial play and side clearance.
Covers inspection of gear case, bearings, gears, water pump, and shafts.
Details inspection and warning for the highly pressurized hydraulic tilt cylinder.
Covers disassembly, inspection, and assembly of the power trim and tilt motor.
Provides a detailed wiring diagram for 50, 60, 70 hp models.
Provides a detailed wiring diagram for 75, 80, 90 hp models.
Explains general principles for electrical measurement and testing.
Provides a chart correlating trouble modes with relative parts and reference chapters.
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