Honda 98069-57726 Spark Plug (X22ESR-U)

The Honda 98069-57726 Spark Plug (X22ESR-U) is a genuine OEM ignition component built for Honda outboard motors including the BF25, BF30, BF35, BF40, BF45, BF50, BF75, and BF90. As a factory-spec part, this spark plug is manufactured to Honda's exact heat range and electrode tolerances, ensuring reliable ignition performance across the full lineup it serves. Verify your outboard's model against the fitment table before ordering, as Honda occasionally updates plug specifications at production breaks.

Key Features

• OEM Ignition Specification — the X22ESR-U designation specifies an exact heat range engineered for Honda's BF-series outboard combustion chambers, delivering consistent spark energy across the power band
• Direct OEM Replacement — sourced directly from Honda, this plug installs exactly as the original with no gapping guesswork or fitment adjustments
• Broad Outboard Fitment — listed for BF25, BF30, BF35, BF40, BF45, BF50, BF75, and BF90 Honda outboard motors; confirm your model and serial number against the fitment table
• Combustion Efficiency — a correctly spec'd spark plug maintains clean ignition timing, supporting strong starts, smooth idle, and responsive throttle on the water; a worn or fouled plug leads to misfires, hard starting, and increased fuel consumption

A spark plug ignites the compressed air-fuel mixture inside the engine's combustion chamber, and in a marine outboard the heat range must be precisely matched to the engine's cooling and load characteristics. The X22ESR-U designation identifies a specific plug type calibrated for Honda's BF-series four-stroke outboards — use of an incorrect plug can cause fouling at low speeds or pre-ignition under load. Replacing the spark plug at the manufacturer's recommended intervals keeps combustion clean and the outboard starting and running at its best.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.