Engine type - 4-stroke

Displacement - 432 cm³

No. of cylinders/configuration - 2/In-line, SOHC

Bore x stroke - 65.0 mm x 65.1 mm

Prop shaft output at mid range - 18.4 / 6,000 rpm

Full throttle operating range - 5,000 - 6,000 rpm

Lubrication system - Wet sump

Fuel Induction System - EFI

Ignition / advance system - CDI

Starter system - Electric/ Manual, Manual (MH), Electric (E, ET) with Prime Start™

Gear ratio - 2.08 (2713)

Recommended boat transom height - S424L:551mm

Weight with propeller - F25GMHS: 57.0kg,F25GMHL: 59.0kg,F25GES: 56.0kg,F25GEL: 58.0kg,F25GETL: 64.0kg,F25GWHS: 60.0kg,F25GWHL: 62.0kg

Fuel tank capacity - separate, 25litres

Oil pan capacity - 1.1litres

Control - Remote control (E, ET), Tiller handle (MH + WH)

Trim & tilt method - Power Trim & Tilt (ET), Manual Tilt (MH, E + WH)

Lighting Coil / Alternator - 12V -16A

Engine immobiliser - YCOP optional

Propeller - Included (MH, WH), Optional (E, ET)

Variable Trolling RPM - With DN Gauges or m-f tiller handle

Steering - Tiller handle, Remote Control

Remark - The kW data in this sheet is based on the ICOMIA 28 standard, measured at the prop shaft


This legendary twin cylinder, 4-stroke portable is now around 25% lighter! Open the throttle of our brand new F25 and you'll immediately feel the effect of Yamaha's innovative technologies at work, delivering big-engine features with unique power-to-weight performance and outstanding economy.

The specification now includes two resting pads (side and rear), improved carry handles, battery-less EFI and full compatibility with our Digital Network Gauges.

With its single-lever steering friction adjustment, new wide-span motor mount, high-output alternator and options of Variable Trolling Speed, Y-COP Security and Wide Range Power Trim & Tilt, the F25 is the natural choice.

  • 25% lighter - unique power-to-weight performance

  • New tough and solid one-piece top cowling

  • New battery-less EFI system for easy starting

  • Manual, electric and manual/electric start options

  • VTS slower-than-normal idle speed (option on r/c)

  • Compatible with Yamaha Digital Network Gauges

  • VTS (Variable Trolling Speed) option on r/c

  • Wide Range Power Trim & Tilt option

  • Exclusive Y-COP immobiliser security available

  • Multi-function tiller handle option

  • Single-lever steering friction (Tiller model)

  • High-output alternator for extra starting power

Contact: 0208 644 7004 - sales@bhlondon.com   Opening hours: Mon-Fri 9-5:30  Sat 9-4

Bh London, 1 Oldfields Road, Sutton, Surrey, SM1 2NB

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