These twin cylinder, 4-stroke portables are true workhorses that deliver smooth, economical performance. Open the throttle of well proven 25hp and you’ll immediately feel the effect of Yamaha’s innovative technologies at work, delivering big-engine features, but with unique power-to-weight performance and outstanding economy.
The specification includes convenient resting pads and carry handles, battery-less EFI* and full compatibility with our exclusive Digital Network Gauges.
With single-lever steering friction adjustment, wide-span motor mounts, high-output alternators and helpful options like Variable Trolling Speed (on tiller models) as well as our exclusive Y-COP security, these engines make a great choice.
Features:
- Special power-to-weight performance
- One-piece top cowling design
- Easy starting, security and VTS
- Compatible with Yamaha's Digital Network Gauges
- Large multi-function tiller handle option
- High-output alternator keeps the power coming
- Shallow water drive system
- Fresh water flushing system
Engine:
- Engine type: SOHC, In-line 2 cylinders
- Displacement: 432 cm³
- Bore x stroke: 65.0 × 65.1 mm
- Compression ratio: 9.1 : 1
- Fuel induction system: Fuel injection
- Lubrication system: Wet sump
- Engine oil capacity: 1.1 L / 1.0 L (with / without oil filter replacement)
- Ignition / advance system: TCI
- Alternator: 16 A
