F25GMHS, F25GMHL, F25GEL & F25GETL Yamaha Outboards

Engine Specifications – F25GMHS, F25GMHL & F25GEL & F25GETL

Engine Type SOHC, In-line 2
Displacement 432cm³
Bore x Stroke 65.0 x 65.1mm
Compression ratio 9.3:1
Starting enrichment Fuel Injection
Fuel induction system Fuel Injection
Lubrication system Wet sump
Engine oil capacity 1.1L / 1.0L (with/without oil filter replacement)
Ignition system CDI
Ignition timing ATDC 3.0 – BTDC 23.0 deg.
Spark plug DPR6EB-9
Alternator 16 A (battery charging: 13 A)
Cooling system Raw-water, thermostatically controlled
Exhaust system Through propeller boss
Dry weight 56 – 70kg

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