Gale Model 3D17 Outboard Motor Specs & Overview

Vintage Outboard Spotlight: Gale Model 3D17 (3.0 HP)

Gale Products, a division of the Outboard Marine Corporation (OMC), produced reliable, budget-friendly outboard motors from the late 1930s through the early 1960s. Sold under various brand names such as Buick, Atlas Royal, Sea King, and Gale’s own “Buccaneer” badge, these motors shared many internal components with contemporary Evinrude and Johnson outboards. The Gale Model 3D17 is a quintessential example of OMC’s compact utility engines—a lightweight, single-cylinder 3.0 HP workhorse built for small fishing boats, tenders, and canoes.

Weighing in at just 38 pounds, the 3D17 featured an integrated half-gallon fuel tank and a 360-degree full-reversing swivel design, eliminating the need for a complex mechanical gearshift while allowing effortless maneuvering in tight spots.

Technical Specifications

• Model: Gale 3D17
• Horsepower: 3.0 HP @ 4000 RPM (O.B.C. Certified)
• Operating Range: 3500 – 4500 RPM
• Cylinders: 1
• Bore and Stroke: 2-1/8″ Bore x 1-1/2″ Stroke
• Displacement: 5.32 cubic inches
• Powerhead Type: 2-Cycle, 2-Port
• Gear Ratio: 13:22
• Propeller: 2-Blade, 6-3/8″ Diameter x 6-7/8″ Pitch
• Cooling System: Positive displacement synthetic rubber rotor
• Ignition: Built-in flywheel magneto
• Carburetor: Single jet – variable venturi
• Speed Control: Single lever synchronized throttle and spark
• Starter: Automatic rewind recoil starter
• Gearshift / Steering: 360° full reversing pivot steering
• Fuel Tank Capacity: 0.5 Gallons (Integral)
• Estimated Running Time: Approx. 1-1/4 hours per tank
• Weight: 38 lbs
• Recommended Transom Height: 15″

Maintenance & Restoration Guidance

Restoring or maintaining a Gale 3D17 is straightforward thanks to its basic mechanical layout and wide compatibility with standard vintage OMC ignition parts.

• Ignition System: The built-in flywheel magneto typically utilizes standard OMC ignition coils, points, and condensers. Cracking ignition coil casings are a common point of failure on vintage OMC units; replacing original cracked coils with modern epoxy-molded OMC/Universal replacement coils will immediately restore reliable spark. Set breaker point gaps to .020 inches.
• Cooling System: The cooling system relies on a positive displacement synthetic rubber rotor/impeller. Never run the engine dry, as even a few seconds without water will tear the rubber blades. When reviving a motor that has sat for years, replace the rubber rotor before lake testing to prevent overheating and powerhead scoring.
• Carburetor & Fuel System: The single-jet variable venturi carburetor is simple but requires clean fuel passages. Disassemble and clean all varnish out of the metering passages using carburetor cleaner and compressed air. Ensure the integral 0.5-gallon fuel tank is thoroughly flushed of rust and debris before running fuel through the system.

Fuel Mixture Recommendations

Because vintage two-stroke engines like the Gale 3D17 rely on sleeve/bushing bearings rather than modern needle bearings throughout parts of the powerhead, modern light oil ratios (like 50:1) will cause severe engine damage.

A standard fuel mix of 24:1 (1/2 pint of oil per gallon of gas) using a quality TC-W3 Marine Two-Stroke Oil is highly recommended for optimal protection. Always use 87-octane non-ethanol fuel where available, as ethanol can degrade vintage fuel lines, rubber seals, and carb gaskets over time.