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Powerful. Compact. Lightweight. When it comes to features, you'll find a lot of value in the full line of portable two-cylinder Yamaha two strokes.

Loop Charging increases combustion efficiency to optimize performance and fuel economy. Reliable cross-flow scavenging is used on 8hp models.

Virtually Maintenance-Free CD Ignition provides automatic spark advance to provide maximum power throughout all RPM ranges and make starting easy.

Yamaha's 100:1 Gas/Oil Premix Ratio on portable models dramatically reduces smoke, odor, fumes and plug fouling. It protects your engine and cuts your oil expense in half.
Yamaha's ACP-221 Paint Process provides a 5-layer barrier against corrosion.

Stainless Steel is used for the drive shaft, the shift shaft, the prop shaft, and the steering tube for maximum corrosion resistance and long-term reliability.

Our Two Year Limited Warranty protects every Yamaha Two Stroke for pleasure use.



Parts Manual

Service Manual

Owners Manual

What year is my engine?

    Alternator: 6A
Manufacturer: YAMAHA Cooling:
Make: 25HP Ignition: CDI
Year: Starting: Manual or Electric
Engine Type: 25 HP 2-STROKE Exhaust:
Horsepower: 25 Trim:
Displacement: 24.1/395(in/cc) Fuel Induction: Carb Loop Charged
Bore/Stroke: (in/mm) Lubrication: 100:1 Premix
Cylinders: 2 Steering
RPM: 5000-6000    
Weight: 105/48(lbs/kg) PRICING These prices are the "Manufacturer Suggested Retail Prices" (MSRP). These are just for comparison.
Gear Ratio: 2.08:1 US: 3.455 - 3.865 dollars
Shaft lenght: 15 or 20/381 or 508(in/mm) UK: pounds
Gears: Netherlands: euros
    France: euros
    Australia: dollars

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