2015 Mercury 25MH FOUR STROKE HP / kW 30 / 22.4Engine type Inline 3Displacement (CID/CC) 32.1 / 526Full throttle RPM 5250-6250Fuel induction system 2 valves per cylinder, single overhead cam (SOHC)Alternator amp / Watt 15 amp / 186 wattRecommended fuel 87% octane / up to 10% ethanolRecommended oil Mercury FourStroke Oil 10W-30Engine protection operator warning system Low oil pressureOver-revOverheatSensor failureStarting Electric (turn-key)ManualSteering RemoteTillerShaft length 15" / 381 mm20" / 508 mmGearcase ratio 1.92:1Dry weight *Lightest model available 172 lbs / 78 kgCARB star rating 3Bore and stroke 2.40 x 2.36" / 61 x 60 mmIgnition CDI w/electronic spark advanceFuel system Electronic Fuel Injection (EFI)Cooling system Water-cooled with thermostatGear shift F-N-RGearcase options StandardTrim system Gas assistPower TrimExhaust system Through propShallow water trim range (degrees) 16Remote fuel tank standard (gal / L) 6.6 / 25
