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    25B

    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 annodses, Yamaha's YDC30 marine grade aluminium alloy and 5 stage painting process keeps the engine looking its best and operating in great condition long into its life.

    Features

    Technical Specification

    • Engine Type 2-Stroke, In-line 2
    • Bore x Stroke (mm) 72 x 61
    • Fuel Tank Capacity (l) 24.0
    • Displacement (cc) 496.0
    • Recommended Maximum RPM 4500-5500
    • Fuel Management Carb
    • Ignition CDI
    • OEDA Emission Rating 1
    • Lubrication System Pre-mixing
    • Alternator Output Optional with rectifier
    • Gear Ratio 2.08 : 1
    • Starter System Manual
    • Operation Method Tiller handle
    • Trim and Tilt Method Manual tilt
    • Digital Gauges
    • Command Link Gauges
    • Transom Height (mm [inch]) L: 550 [21.7]
    • Dry Weight (kg) L: 55
    • Colours