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General| Engine Type | 4-Cylinder, 4-Stroke |
|---|---|
| Compression Ratio | 10.3:1 |
| Full Throttle RPM Range | 5000 - 6000 RPM |
| Fuel Induction System | Electronic Fuel Injection (EFI) |
| Exhaust | Through Propeller |
| Lubrication System | Wet Sump |
| Starting System | Electric |
| Alternator Output | 50 Amp |
| Gear Ratio | 1.86:1 |
| Recommended Oil | Yamalube 4M |
| Cooling | Water Cooled |
| Steering | Remote |
| Maximum Output | 175 hp |
| Ignition System | TCI |
| Recommended Fuel | Minimum 87 Octane |
| Shaft Length | L (20"), X (25") |
| Warranty | 3 Years |
Discusses how corrosion affects outboards and how to mitigate it.
Overview of maintenance schedules and intervals for various parts and fluids.
Guidance on selecting the correct engine oil and filter for your Yamaha outboard.
Maintenance and lubrication of the outboard's lower unit for smooth operation.
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