Why does my Parsun F25/20BM Outboard Motor vibrate excessively?
Excessive vibration in your Parsun Outboard Motor could be due to: * A damaged propeller: Repair or replace the propeller. * Weeds or foreign matter tangled on the propeller: Remove and clean the propeller. * A loose motor mounting bolt: Tighten the bolt. * Loose steering pivot: Tighten it.
General| Engine Type | 4-Stroke |
|---|---|
| Starting System | Manual |
| Gear Ratio | 2.08:1 |
| Cylinder | 2 |
| Max. Output | 25 HP |
| Control System | Tiller |
| Gear Shift | F-N-R |
| Steering | Tiller |
| Power Output | 25 HP |
| Displacement | 498 cc |
| Full Throttle RPM Range | 5000-6000 RPM |
Details on finding and recording outboard and engine serial numbers for identification.
Guidance for operating the motor at high altitudes and potential issues like reduced power.
Diagram and list of the outboard motor's main parts.
Detailed specifications including engine type, displacement, dimensions, and capacities.
Recommended gasoline, safe fueling practices, and handling spills.
Key performance data like output, spark plug gap, and operating ranges.
Instructions for mounting the outboard motor on the boat, including height and clamping.
Essential checks before starting: fuel, controls, mounting, and propeller.
Steps for the initial break-in period to ensure proper wear of engine parts.
Procedure for verifying and maintaining the correct engine oil level.
Safe fueling and step-by-step guide for starting the outboard motor.
Procedures for warming up the engine and shifting between gears safely.
Safe procedures for shutting down the motor and adjusting the trim tab.
Methods for tilting the motor up/down and adjusting its trim angle.
Maintenance tasks including greasing points and spark plug servicing.
Checking fuel lines, filters, and the overall fuel system for issues.
Steps for draining and refilling engine oil, with safety and interval guidelines.
Step-by-step guides for removing and installing the propeller.
Procedure for draining and refilling gear oil, with safety notes.
Guidelines for safely trailing or transporting the motor, including tilt precautions.
Steps for storing the motor for extended periods, including flushing and fogging.
Actions for impact damage and troubleshooting starter failure.
Procedure for dealing with a motor submerged in water, emphasizing immediate cleaning.
Diagnosing and resolving issues preventing engine startup or causing stalling.
Identifying and fixing common causes of reduced engine power.
Diagram showing the electrical system for the F25/20BM model.
Diagram illustrating the electrical wiring for the F25/20FW model.
Diagram of the electrical connections for the remote control system.
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