Yamaha Outboard Break-In Procedure: Exact RPM Schedule, Do’s & Don’ts (First 20 Hours)
Learn the Yamaha outboard break-in procedure: hour-by-hour RPM limits, throttle rules, and pro tips for seating rings (...)
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Yamaha performs a standard pre-delivery inspection prior to shipment, ensuring consistent quality across all of their outboard engine models. Once the inspection is completed, engine fluids are drained and shipped along with the F2.5LMHB Yamaha outboard. engines for the owner to refill before operation.
Engine Info & Specs
Weighing in at only 37 pounds, the F2.5SMHB holds the distinction of being Yamaha's smallest portable outboard engine.
The F2.5SMHB outboard engine's light weight, built-in carrying handles, resting pads, and an oil-leak prevention system for on-side storage combine to create an engine with true portability. But don't let the F2.5SMHB's small size fool you. This outboard also features exceptional fuel efficiency, outsized performance, and reliability. These advantages combine to make this small engine more than suitable for all sorts of light duty, like hopping to the cuddy on a tender.
Convenience & Control:
| Engine Type | 1 cyl |
|---|---|
| Displacement | 72cc |
| Bore x Stroke | 54 x 31.5 mm (2.13 x 1.24 in) |
| Prop Shaft Horsepower | 2.5hp at 5500 rpm |
| Full Throttle RPM Range | 5250 ~ 5750 |
| Alternator Output at W.O.T. | N/A |
| Compression Ratio | 8.8:1 |
| Fuel Induction System | Carb |
| Weight* | 37 lbs |
| Recommended Fuel | Octane 87 |
| Recommended Engine Oil | YamaLubes® 4M (See owner's manual) |
| Recommended Fuel Filtration | N/A |