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Mercury 15 ELPT Specifications
The Mercury 15 ELPT is a 4-stroke 2-cylinder single overhead cam (SOHC) gasoline outboard engine with a maximum power of 15 hp (11.2 kW) at 6200 rpm. The engine cylinder bore is 2.40 in (61.0 mm) and piston stroke is 2.24 in (57.0 mm). A 20.3 cu.in (333 cc) outboard motor has a computer controlled sequential multiport electronic fuel injection, mechanical and electric fuel pumps, cooling system with thermostat, electric or manual starting system, and computer controlled capacitor discharge ignition. The remote fuel tank capacity is 3.2 gal (12.1 liters). The propeller is made of aluminum and it has three blades.
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| General Technical Data |
Engine Model ................ Mercury 15 ELPT
Engine Type ................ 4-stroke two-cylinder gasoline outboard engine
Number of Cylinders ................ 2
Displacement, cu.in (cc) ................ 20.3 (333)
Cylinder Bore, in (mm) ................ 2.40 (61.0)
Piston Stroke, in (mm) ................ 2.24 (57.0)
Maximum Engine Power, hp (kW) ................ 15.0 (11.2)
Maximum Engine Speed, rpm ................ 5700-6200
Idle Speed, rpm ................ 950±50
Compression Ratio ................ 10.1:1
Firing Order ................ 1-2
Engine Oil Pressure, psi (kPa) ................ 3.8 (26.3)
Cooling System ................ Water-cooled with thermostat
Exhaust System ................ Through prop
Ignition System ................ Capacitor discharge (computer controlled CDI)
Starting System ................ Electric/manual start
Electrical System Rating, Volts ................ 12
Charging System ................ Alternator
Alternator Type ................ Single phase
Alternator Rating (900 rpm), Amps ................ 4.6
Alternator Rating (5000 rpm), Amps ................ 11.5
Outboard Weight, lbs (kg) ................ 119 (53.9)
| Fuel System |
Fuel System Type ................ Electronic fuel injection (EFI)
Fuel Pump Type (Low Pressure) ................ Mechanical
Fuel Pump Type (High Pressure) ................ Electric
Fuel Type ................ Gasoline
Recommended Gasoline ................ Unleaded gasoline (87 octane minimum)
| Gear Housing |
Gear Shift ................ F-N-R on Tiller Handle
Gear Ratio ................ 2.15:1
Pinion Height, in (mm) ................ 0.025 (0.64)
Clutch Type ................ Dog type (forward-neutral-reverse)
| Mid Section |
Trim System ................ Manual/Power tilt
Transom Height (Short Shaft), in (mm) ................ 15 (380)
Transom Height (Long Shaft), in (mm) ................ 20 (510)
Transom Height (Extra Long Shaft), in (mm) ................ 25 (635)
Full Tilt Up Angle, deg ................ 71
Steering System ................ Remote/Tiller
Steering Pivot Range (Tiller), deg ................ 76
Shallow Water Trim Range, deg ................ 16
| Maintenance Data |
Engine Fuel Type ................ Unleaded 87 octane minimum
Engine Oil Type ................ SAE 10W-30, 25W-40
API Service Classifications ................ SH, SG, SF, CF-4, CE, CD
Engine Oil Capacity, qts (L) ................ 1.1 (1.0)
Gear Lubricant Type ................ Premium Gear Lubricant or GL5 SAE 80W-90
Gearcase Capacity, qts (L) ................ 0.48 (0.46)
Power Trim Fluid ................ Automatic transmission fluid (Dexron 3)
Steering Fluid ................ Automatic transmission fluid (Dexron 3)
Spark Plug Type ................ NGK DCPR6E
Spark Plug Gap, in (mm) ................ 0.035 (0.9)
Ignition Timing (Idle Speed), deg ................ 6 BTDC
Ignition Timing (Wide Open Throttle), deg ................ 28 BTDC
| Service Intervals |
Lubricate all lubrication points ................ Every 100 hours
Change engine oil and replace oil filter ................ Every 100 hours
Remove and inspect spark plugs ................ Every 100 hours
Check water-separating fuel filter ................ Every 100 hours
Check corrosion control anodes ................ Every 100 hours
Drain and replace gear case lubricant ................ Every 100 hours
Remove propeller and lubricate propeller shaft ................ Every 100 hours
Inspect battery condition ................ Every 100 hours
Inspect thermostat ................ Every 100 hours
Check and adjust valve clearance ................ Every 100 hours
Check engine timing setup ................ Every 100 hours
Check hoses and clamps ................ Every 100 hours
Lubricate driveshaft splines ................ Every 100 hours
Check power trim fluid ................ Every 300 hours
Inspect timing belt ................ Every 300 hours
Lubricate the throttle and shift cable ................ Every 300 hours
Replace spark plugs ................ Every 300 hours
Check the remote control cable adjustment ................ Every 300 hours
Check the wiring and connectors ................ Every 300 hours
Replace water pump impeller ................ Every 300 hours
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