Diesel Marine Spark Plugs

Common diesel Diesel Marine Spark Plugs models include NGK's BPMR6A and BPMR7A, and DENSO's W20EPR-U and W24EPR-U, etc. These models can meet the requirements of most outboard engines. When making a selection, it is necessary to determine based on the specific model and recommended specifications of the outboard engine

In addition, the Weichai Power BOSCH double iridium spark plug model 1000450457 of National IV, National V and National VI is suitable for diesel engines. This model of spark plug is produced in the United States and is suitable for Weichai National V original natural gas engines.

Thread length: 11.4mm

Thread diameter: 14mm

Hexagonal opposite sides: 20.8mm

lawn mowers, outboard machines, chainsaws, hedge trimmers.

1. Regular inspection

Suggested cycle: Check at least once every 100 hours of operation or annually.

Inspection contents:

Electrode ablation (normal is slightly grayish-brown, abnormal is black carbon deposits or white erosion).

Whether the ceramic body is cracked.

Whether the gap meets the standard (usually 0.6-1.0mm, refer to the manual).

2. Cleaning and adjustment

Cleaning method:

Use a special spark plug cleaner or a soft-bristled brush to remove carbon deposits.

Do not use wire brushes (which may scratch the electrode or ceramic).

Gap adjustment: Use a feeler gauge or a special tool to gently tap the side electrode for fine adjustment.

Choosing the appropriate spark plugs is crucial for ensuring the normal operation of outboard engine. When making a choice, you should refer to the user manual of the outboard engine or consult a professional to ensure that you purchase the appropriate spark plugs.

Our Songhe company specializes in manufacturing high-quality spark plugs, which can provide better ignition performance, thereby enhancing the operational efficiency and stability of outboard engine.