If you're after no nonsense, lightweight, two stroke power, Yamaha's 25B ticks all the boxes. Built around a proven two cylinder CV platform, these engine have earned a stunning reputation for durability and reliability and can be seen powering vessels around every corner of the globe. Superior design and engineering allows these engines to run a 100:1 pre mix oil ratio for crisp response, less smoke and odor, and smooth operation. Yamaha's exclusive corrosion protection featuring self sacrificing anodes, Yamaha's YDC30 marine grade aluminum alloy and 5 stage painting process keeps the engine looking its best and operating in great condition long into its life.
TECHNICAL SPECIFICATION
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Engine Type: 2-Stroke, In-line 2
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Bore x Stroke (mm): 72 x 61
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Fuel Tank Capacity (l): 24.0
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Displacement (cc): 496.0
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Recommended Maximum RPM: 4500-5500
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Fuel Management: Carb
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Ignition: CDI
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Lubrication System: Pre-mixing
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Alternator Output: Optional with rectifier
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Gear Ratio: 2.08 : 1
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Starter System: Manual
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Operation Method: Tiller handle
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Trim and Tilt Method: Manual tilt
- Dry Weight: L: 55