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90-115hp Command Thrust

None More Durable. Or Efficient.

Heavier boats used for pleasure, fishing or commercial applications often sit high on the water and are hydro-dynamically different from other lighter boats. To address those differences and in response to additional challenges, Mercury developed its Command Thrust family of outboards.

Engine Specifications by Horsepower

Scroll within the table below to view specifications for each engine.

Horsepower 115 115 100 90
Engine type 8-valve single overhead cam (SOHC)
Inline 4		 8-valve single overhead cam (SOHC)
Inline 4		 8-valve single overhead cam (SOHC)
Inline 4		 8-valve single overhead cam (SOHC)
Inline 4
Displacement (CID/CC)
Displacement (L) 2.1 2.1 2.1 2.1
Cylinder Configuration
Full throttle RPM 5000-6000 5300-6300 5000-6000 5000-6000
Alternator amp / Watt 35 amp / 441 watt with water-cooled voltage regulator 35 amp / 441 watt with water-cooled voltage regulator 35 amp / 441 watt with water-cooled voltage regulator Injection (EFI) Alternator amp / Watt 35
Starting Smart Start Electric Electric (turn-key)
Smart Start Electric		 Smart Start Electric Smart Start Electric
Steering Big Tiller Compatible
Dual cable mechanical
Hydraulic power steering		 Big Tiller Compatible
Dual cable mechanical
Hydraulic power steering		 Big Tiller Compatible
Dual cable mechanical
Hydraulic power steering		 Big Tiller Compatible
Dual cable mechanical
Hydraulic power steering
Shaft length 20" / 508 mm
25" / 635 mm		 20" / 508 mm
25" / 635 mm		 20" / 508 mm
25" / 635 mm		 20" / 508 mm
25" / 635 mm
Gearcase ratio 2.38:1 2.38:1 2.38:1 2.38:1
Dry weight *Lightest model available 363 lbs / 165 kg 363 lbs / 165 kg 363 lbs / 165 kg 363 lbs / 165 kg
Trim system Power Tilt
Power Trim		 Power Tilt
Power Trim		 Power Tilt
Power Trim		 Power Tilt
Power Trim
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