40.0 Gross HP* EFI - Marine

993cc

This Vanguard BIG BLOCK™ V-Twin EFI engine delivers optimized performance for even the most demanding marine applications.

  • Designed with debris- and air-management features that enhance durability and performance, plus an oil system that improves lubrication, maximizes engine life and extends oil change intervals.
  • Backed by Vanguard’s 3-Year Commercial Warranty.
Horsepower (HP)

40

Displacement (cc)

993

No. of Cylinders

2

Fuel Type

Gas

Features

Dynamically Balanced Crankshaft

Stay stealthy on the water with a balanced crankshaft that minimizes engine noise and vibration. Whether you're hunting or fishing, enjoy a quieter ride that won't disturb your surroundings or your catch.

 

Electronic Ignition

Get out on the water faster with an electronic ignition that delivers quick, reliable starts every time. Perfect for hunting and fishing, it’s maintenance-free, so you can focus on the catch or the hunt without worrying about your engine.

 

Vanguard EFI

Benefit from consistent power and optimized fuel efficiency with EFI, which delivers the perfect amount of fuel on every cycle. LEARN MORE >>>

V-Twin OHV Technology

Experience a smoother, more efficient ride with superior balance and low vibration. Enjoy cleaner performance with reduced emissions, longer valve life, improved fuel economy, and exceptional power-to-weight efficiency for maximum productivity.

Specifications

  40.0 Gross HP* EFI - Marine
Model Number 61G9
HP (Gross)* 40.0
Engine Displacement (cc) 993
Engine Configuration Vertical
Bore (in) 3.37
Stroke (in) 3.41
Oil Capacity (oz) 82.0
Compression Ratio 8.5:1
Air Cleaner Low Profile Air Cleaner
Ignition System Computer Controlled Battery Ignition
Lubrication System Full Pressure Lubrication System with Oil Cleaner
Length (in) 23.66
Width (in) 20.24
Height (in) 24.65
Weight (lbs) 125.0
Certified Power Rating Download Power Curve
Commercial Engine Warranty** 3-Year Limited
Operator's Manuals No documents found.

*All power levels are stated horsepower per SAE J1940 as rated by Briggs & Stratton.

**See operator's manual or dealer for complete warranty details.

Support

Manuals

Download the operator's manual or illustrated parts list for your Vanguard™ engine by searching your engine model number.

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Tips & Troubleshooting

Have a question? Search our Frequently Asked Questions to find answers related to model specifications, routine maintenance, repair or troubleshooting.

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Dealer Locator

World class parts delivery, industry-leading global warranties and unparalleled service & training keeps your equipment out of the shop and on the jobsite.

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Commercial Limited Warranty

Three-year commercial engine warranty for all applications. See operator's manual or dealer for complete warranty details.

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Options Available:
Key Switch
Alternators (20 & 20-50 amp)
Oil Pressure Switch
Straight Keyed Cranks (1-1/8" & 1-7/16" Diameters)
Stainless Steel Performance Muffler
High Speed 4750rpm Package (Marine & Utility Vehicles Only)
Direct Throttle Control
Tach/Hour Meter with Check Engine Light
Low Idle Speed Control
Spline Crankshaft

Product Literature

Get more detailed information on what you can expect from Vanguard® and our BIG BLOCK™ V-Twin engines by downloading our literature here.