HONDA'S MID RANGE ENGINES
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Honda's 40HP is the right choice for bay boats, pontoons and aluminum fishing boats. You can always depend on an easy start with Honda's exclusive autostart enrichment, while 3 to 3 induction guarantees instant throttle response. And because it's a Honda, you can expect long term durability and clean, quiet operation

 
ENGINE SPECIFICATION
Type
4-Stroke OHC 3 Cylinders
Displacement
808 cc (49.3 cubic inches)
Bore & Stroke
70 x 70 mm (2.76 x 2.76 inches)
Full Throttle RPM Range
5000-6000 RPM
HP Rating @ Propshaft
40HP @ 5500 RPM
Induction Scavenging
SOHC
Valves per Cylinder
2
Fuel Delivery
3 Venturi
Ignition System
Programmed Ignition System
Starting System
Electric
Lubrication
Wet Sump
Cooling System
Water Cooled
Alternator
Electric 10 Amps (126 Watts)
Trim Range
-4° to +12°
Tilt Range
67°
Gear Ratio
2.08:1 (26/33 x 14/23)
Gear Shift
F-N-R
Propeller
Optional
Recommended Transom Height
(L) 508 mm/20 inches
Dry Weight Tiller
(L) 96.5 kg - 212 lbs.
Dry Weight Tiller (PPT)
(L) 93 kg - 205 lbs.
   

ENGINE FEATURES

4-Stroke Design
World-renowned Honda quality combines proven reliability and superior fuel efficiency, with no oil mixing.
Center Mount Tiller
A new ergonomically designed tiller handle is 8" longer and angled 5" higher for improved handling. A front-mounted shift lever, power tilt and trim switch, and engine alert lamps provide added convenience.
Power Trim/Tilt
Allows user to trim the unit for maximum performance and handling.
Trim Range: - 4° to +12°
Tilt Range: 67°
3 to 3 Induction
A compact 3-cylinder, 3-carburetor design utilizes one carburetor per cylinder. More responsive than competitive throttle bodies with long intake runners, the design provides smooth, quiet operation, along with instant throttle response and performance.
Offset Crankshaft Design  
The BF40’s exclusive crankshaft design locates the powerhead directly over the transom pivot point to reduce vibration and improve performance and handling
PGM Ignition
A reliable microprocessor accurately controls ignition timing during start-up and across the entire RPM range, providing optimum overall operation.
Auto Start Enrichment (ASE)
Just like a fuel injection system, Auto Start Enrichment automatically adjusts the air-fuel mixture for quick, easy starting and warm-ups.
Non-Linear Mounting System
Patented non-linear rubber mounts provide smoother operation at all engine speeds.
Positive Lubrication
A crankshaft-driven, automotive-style trochoid oil pump ensures long-term durability of critical engine components.
Engine Alert System
Audio and visual cues combine with RPM reduction circuits to alert the operator of overheating, low oil PSI and over-revving to prevent engine damage.
Forced Air Ventilation
Unique air intake on the top of the cowl allows cooler air to enter and warmer air to escape. The ventilation system reduces under-the-hood operating temperature, improving performance and long-term durability of the electrical components.
High Output Charging System
The BF40’s 10 amp charging system ensures that batteries remain charged.
Corrosion Protection System
A patented, "Double Sealed" multi-layered paint process. Sacrificial anodes and stainless steel technology, along with waterproof connectors, all enhance corrosion protection.
Fresh Water Flushport
Flushes debris and saltwater out of the engine, extending the life of the outboard.
Easy Maintenance
Front-mounted oil filter and oil fillers simplify maintenance, while "screw-type" valve adjusters reduce maintenance costs.
Gas Assist Tilt
A gas-filled cylinder makes it easy to tilt the engine for running in shallow water, or to raise it completely out of the water for protection.
Built-In Pitot Tube
Built-in pitot tube in the gear case eliminates the need to drill holes in your boat for installation.

THE DINGHY DOCTOR, INC.
(619) 384-2733 / Fax: (619) 649-4300
3302 Kurtz Street, where I-5 and I-8 meet, San Diego, CA 92110
E-mail: jo@thedinghydoctor.com

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