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The Honda BF20DK2 SHSU is a portable, 20 HP 4-stroke outboard motor that features a short shaft, electric start, and tiller handle. It is recognized for being among the lightest in its class, providing high charging output for onboard electronics.
Engine Type: 4-stroke OHC, 2-cylinder with 4 valves.
Displacement: 350 cc (21.5 cubic inches).
Rated Power: 20 HP (14.9 kW) at 5,500–6,000 RPM.
Bore & Stroke: 59 mm x 64 mm.
Fuel Delivery: Single carburetor with an accelerator pump to optimize acceleration and consumption.
Ignition System: Programmed Electronic Ignition (PGM-IG) for efficient combustion and rapid starting.
Dimensions and Build
Shaft Length: 433 mm (approx. 17 inches), classified as a short shaft.
Dry Weight: Approximately 47–49 kg (104–108 lbs).
Dimensions (LxWxH): 650 x 350 x 1,110 mm.
Propeller: Standard 4-blade aluminum propeller (9 1/4" x 10").
Starting System: Electric start (SHSU designation) with a backup manual recoil starter.
Alternator Output: 12V, 12A (151W), providing class-leading charging capacity for batteries and electronics.
Trim and Tilt: Manual tilt with 5 adjustment stages and a 72° range.
Exhaust System: Through-hub (propeller boss) exhaust for quieter operation.
Fuel Tank: Typically supplied with an external 12.5-liter fuel tank.
Protection Systems: Includes standard alerts for low oil pressure, overheating, and a rev-limiter.
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The Honda BF20DK2 SHSU is a portable, 20 HP 4-stroke outboard motor that features a short shaft, electric start, and tiller handle. It is recognized for being among the lightest in its class, providing high charging output for onboard electronics.