Honda 115HP BF115JK1LDA iST Outboard – 20″ Shaft
The 115-horsepower Honda BF115JK1LDA iST outboard uses a 20-inch shaft for compatible lower-transom configurations. Its electronic control system supports precise operation, while correct shaft length helps maintain propeller depth and efficient thrust delivery.
Description
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Common Question of Honda BF115JK1LDA
What does iST mean?
iST means Intelligent Shift and Throttle. The system electronically manages shift and throttle commands, reducing reliance on conventional mechanical control cables at the engine. On this 115-horsepower Honda, iST supports smooth remote operation and precise response from the four-stroke powerhead, creating a high performance outboard motor for compatible helm systems.
Does it use electronic fuel injection?
Yes. The BF115JK1LDA uses an electronic fuel injection system to control fuel delivery for starting, acceleration, and cruising. Its four-stroke design provides the operating characteristics expected from a modern 115-horsepower outboard. Compatibility with the boat’s battery, harness, gauges, controls, and iST components should be confirmed before installation.
Is this model suitable for 20-inch transoms?
Yes. This version is specified with a 20-inch shaft for boats using the corresponding transom height. Correct mounting keeps the gearcase and cooling-water inlet positioned properly while preserving steering and propeller performance. Measure the transom carefully, then verify control-system compatibility before treating the engine as a ready to bolt marine installation.











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