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2025 Mercury 3.5 HP 3.5MH Outboard Motor

SKU: 3.5MH-25
(4)
$1,049.00 $1,240.00

The 3.5hp Mercury boat motors feature a larger carburetor for increased performance features that set it apart from other outboards in the same class. The Mercury 3.5 outboard engine is a great choice of power for canoes, small tenders and inflatables boats.. At just 41 lbs, Mercury designed the 3.5 HP (3 5 HP) outboard for real portability. The ergonomic carry handle evenly balances the engine for easy transporting. The Mercury 3.5 HP outboard model # 3.5MH is equipped with the 15 inch short shaft, tiller steering and manual start.
We are an authorized Mercury Dealer and along with our discounted outboard motor prices we offer free shipping and 3-year warranty!

Customers also searched for mercury 3 5 hp.

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CA Customers Warning: Cancer and Reproductive Harm www.P65Warnings.ca.gov

SHAFT LENGTH GUIDELINES

Horsepower 3.5hp
Weight: 41.0 lb
Shaft Length: 15" (Short)
Starting:Manual
Fuel Delivery:Carburetor
Steering:Tiller
Features
  • Compact and Lightweight
  • Digital CD Ignition System
  • High Grade Marine Alloy Construction
  • Stainless Steel Water Pump Housing
  • Zinc Coated Water Passages
  • Rated for Saltwater Use
  • Sacrificial Zinc Anodes
  • Forward-Neutral Gear Shift
  • 360° Steering w/ Tension Feature
  • Twist-Grip Throttle with Tension Control
  • Integrated Carry Handle
  • Thermostat Controlled Water Cooling
  • Visual Oil Level Indicator
  • Over-Rev Protection
  • 4 Trim Level Positions
  • Below-The-Water Exhaust
  • 1.0 Liter (.30 Gallon) Integral Fuel Tank
  • Safety Lanyard Stop Switch
  • Owner's Manual
  • Mercury Marine 3-Year Warranty

specifications
MODEL1F03201KK
MODEL YEAR2025
SKU3.5MH-25
WEIGHT41.0 lb
MANUFACTURERMercury
COUNTRY OF MANUFACTUREJapan
HORSEPOWER3.5hp
SHAFT LENGTH15" (Short)
STEERINGTiller
STARTINGManual
TRIM & TILTManual
FUEL DELIVERYCarburetor
FUEL TANKInternal
CYLINDER(S)1
DISPLACEMENT5.2/85
BORE AND STROKE2.16 x 1.42 in
FULL THROTTLE RPM RANGE5000-6000
IGNITION SYSTEMCDI w/electric spark advance
INDUCTION SCAVENGINGOHV
VALVES PER CYLINDER2
FUEL TYPE87 Octane (up to 10% ethanol content)
FUEL TANK / FUEL LINE0.3 US Gallon (0.95 liter)
OIL TYPESAE 10W-30 (Mercury 4-Stroke Outboard Oil)
OIL CAPACITY10 fl. Oz. (300 ml)
LUBRICATIONSlinger Splashing System
ALTERNATORNot available on 3.5hp models (4hp & up only)
COOLING SYSTEMWater-cooled w/thermostat
SALTWATER RATEDYes
GEAR RATIO2.15:1
GEAR SHIFTForward-Neutral w/ 360° Steering for Reverse
PROPELLER7.4" Diameter x 7.0" Pitch 3-Blade Composite

In the Box
  • Integral Fuel Tank (0.3 gal)
  • Owner's Manual
  • Mercury 3-Year Warranty
  • Propeller (Composite)
  • Mercury 4-Stroke Oil
  • Tool Kit

Shaft Length Guidelines

Outboard Accessories: 
Gear Up Your Boat

Mercury 3.5 HP 3.5MH Outboard Motors for sale
Mercury

2025 Mercury 3.5 HP 3.5MH Outboard Motor

$1,049.00 $1,240.00

The 3.5hp Mercury boat motors feature a larger carburetor for increased performance features that set it apart from other outboards in the same class. The Mercury 3.5 outboard engine is a great choice of power for canoes, small tenders and inflatables boats.. At just 41 lbs, Mercury designed the 3.5 HP (3 5 HP) outboard for real portability. The ergonomic carry handle evenly balances the engine for easy transporting. The Mercury 3.5 HP outboard model # 3.5MH is equipped with the 15 inch short shaft, tiller steering and manual start.
We are an authorized Mercury Dealer and along with our discounted outboard motor prices we offer free shipping and 3-year warranty!

Customers also searched for mercury 3 5 hp.

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