What to do if Yamaha F25AET trim gauge always shows fully tilted up position?
If the trim gauge always shows a fully tilted-up position, the trim sender signal is not being received. Connect the pink lead connectors to each other.
Why Yamaha F25AET Outboard Motor boat speed and/or coolant pressure gauge does not show?
If the boat speed and/or coolant pressure gauge does not show, it is likely that the optional sensor has not been installed. Install the optional sensor.
How to setup Yamaha Outboard Motor tachometer to show the oil pressure?
Select the oil press. display.
Step-by-step instructions for safely uncrating the outboard motor from a typical steel frame.
Provides guidelines for properly mounting the outboard motor on the boat transom for optimal performance.
Lists and illustrates various dimensional items and measurements for outboard motors.
Details on Yamaha propeller types, including Standard, Reliance, Saltwater, VMAX, Performance, and High Performance.
Lists propeller applications by engine model, diameter, pitch, mark, material, and part number.
Describes available remote control throttle systems (Push to Open, Pull to Open) and models.
Details the features and electrical functions of the multi-function tiller handle for various engine models.
Explains the function and applications of analog tachometers and their pole number setup.
Details digital tachometers, their applications, dimensions, and pole number setup.
Describes speedometer functions, applications, dimensions, and tube routing.
Covers fuel management gauge functions, applications, dimensions, sender installation, and wiring.
Lists engine models compatible with digital network gauges, including electronic fuel injected and HPDI engines.
Provides wiring diagrams for single, twin, and triple engine configurations with digital network gauges.
Explains the initial setup procedure for digital network gauges, especially for multi-engine installations.
Lists common system or gauge issues, their causes, measures, and notes for resolution.
Provides guidance on selecting the correct battery capacity and type for Yamaha outboard motors.
Explains battery wiring for isolator-equipped models and single/twin battery configurations.
Provides a checklist for pre-delivery inspection to ensure customer satisfaction and proper operation.
General| Max Output | 25 hp |
|---|---|
| Gear Ratio | 2.08:1 |
| Starting System | Electric |
| Cylinder Configuration | In-line 2 |
| Lubrication System | Wet Sump |
| Fuel System | Electronic Fuel Injection |
| Steering | Remote |
| Bore x Stroke | 65 x 75 mm |
| Recommended Fuel | Unleaded gasoline |
| Engine Type | 4-stroke |
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