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Mercury 4-Stroke 40-hp Outboard Specifications
Propshaft Horsepower: 40-hp (29.9 kW)
Max RPM (W.O.T.): 5500-6000
Cylinders/Configuration: 3
Displacement: 45.6 cu.in. (747cc)
Bore & Stroke: 2.56 in. x 2.95 in. (65mm x 75mm)
Exhaust System: Through Prop
Lubrication System: Wet sump
Cooling System: Water cooled with thermostat and fresh water flush
Ignition System: CDI with electric spark advance
Starting System: Manual (with decompression) or Electric
Alternator: Manual 6 amp (76 watt)/Electric 15 amp (189 watt)
Gear Ratio: 2.0:1
Gear Shift: F-N-R (front mounted on tiller handle models)
Steering: Tiller or Remote
Trim System: Gas assist & Power trim models available
Shaft Length: 15 in. (381mm) / 20 in. (508mm)
Weight-Dry: 204 lbs. (93 kg)
Operator Warning Systems: Overheat, low oil pressure, overrev
Propeller Options: Black Max, Vengeance, QA3, QSS

Prices range from $4,098.00 to $5,344.00 depending on the length
and style of starter system. 		Mercury 40 hp Four Stroke Outboard

Smaller Mercury Outboard Models
Full Size Mercury Outboards

Mercury Four Stroke Outboard Engines

Base Model H.P.
4 hp
5 hp
6 hp
9.9 hp, 9.9 BigFoot & 9.9 SailPower
15 hp, 15 BigFoot
25 BigFoot
30 hp
40 hp & 40 BigFoot
50 hp & 50 BigFoot
75 hp
90 hp
Free Walky-Talkys! Details Here

Free with selected purchase of Mercury 4-Strokes!



Mercury is the largest 4-stroke manufacturer in the world!
Mercury has introduced the most advanced 4-stroke technology known.

The overhead cam lets these
engines idle smooth and low.
No need to mix gas and oil!
They have a clean,low-smoke operation,
whether you're running or just
trolling for fish. They also have
excellent fuel economy and a slew of other powerful
features, like the gas-assist tilt
system or full power trim & tilt.
It featrures a pressurized lubrication system
with special bearings. From four to 90 horsepower,
Mercury 4-Strokes are perhaps the
quietest running engines you can ever cruise with.

All 4-Stroke Mercury's feature:
  1. Water cooled cooling system
  2. Capacitor discharge Ignition (CDI)
  3. F-N-R gear shifting
  4. Runs on unleaded 87 octane (min) fuel
  5. Through prop exhaust


The products shown here are distributed in North America.
Models or specifications may differ in other parts of the world.

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