← Back to Mercury outboards
Mercury · FourStroke · 2026
FourStroke 4hp
1 cylinder · 4/2.9
No price shown. Mercury publishes no public Canadian price for outboards — it is dealer-set and does not include rigging, controls, propeller, installation or tax. Get the number from the shop before quoting anyone.
Mercury does not publish a dry weight for this model.
Mercury's page for this family omits the recommended-fuel row entirely.
Mercury's page for this family omits the colour row entirely.
Source: https://www.mercurymarine.com/ca/en/engines/outboard/fourstroke/fourstroke-2.5-20hp · compare page · Canadian catalogue, 2026 model year. Rigging comes from Mercury’s public parts data. Verify against the source before repeating a spec to a customer.
At a glance
Horsepower4 HP
Power (hp / kW)4/2.9
Engine1 cylinder
Displacement7.5 / 123 (CID/CC)
Dry weightNot published by Mercury
Shaft lengths availableL
Engine
Cylinder layoutSingle
Cylinders1
Displacement (cc)123 cc
Displacement (cu in)7.5 cu in
GearcaseNot published by Mercury
MidsectionNot published by Mercury
Charging
AlternatorN/A
OutputNot published by Mercury
FeaturesNot published by Mercury
Fuel
Recommended fuelNot published by Mercury
Fuel typeNot published by Mercury
Minimum octaneNot published by Mercury
Maximum ethanolNot published by Mercury
Rigging & electronics
SmartCraftNo
Jet driveNo
High-thrust kickerNo
Commercial dutyNo
ColoursNot published by Mercury
How it can be ordered
10 configurations · 132 orderable model numbers. Shaft is Mercury’s own code — they do not publish the inch mapping, so this never says 20″.
shaft not in the designation1004201PK 1004211PK
L shaft1004211BK
L shaft · manual start1004211AK 1004211CK 1004211DK 1004211FB +39
L shaft · manual start · FourStroke1F042116B 1F04211AK 1F04211CK 1F04211DK +9
L shaft · manual start · tiller · FourStroke1F04211BL 1F04211EK 1F04211EL 1F04211HK +3
shaft not in the designation · counter-rotating1004216GK
shaft not in the designation · manual start1004201AK 1004201BK 1004201CK 1004201DK +39
shaft not in the designation · manual start · FourStroke1F042016B 1F04201AK 1F04201CK 1F04201DK +9
shaft not in the designation · manual start · tiller1004201EK 1004201HK
shaft not in the designation · manual start · tiller · FourStroke1F04201BL 1F04201EK 1F04201EL 1F04201HK +3
