Overview

• Manufacturer: NGK Spark Plug Co., Ltd. (NGK) — a globally recognized leader in ignition technology.
• Product: NGK AB6 spark plug (also listed as AB-6; cross reference NGK 2910).
• Versatile ignition plug designed for both 2-stroke and 4-stroke engines across motorcycles, marine applications, and select industrial/work machines.
• Triple-seal gasket for leak prevention, SAE terminal connector, single ground electrode, and a solid copper core for durable performance.

Key Features

• Part Number: AB6 (AB-6); cross reference NGK 2910.
• Type of machine suitable for: broad compatibility with motorcycles, small boats/marine engines, and certain Briggs & Stratton, Wisconsin industrial engines.
• Installation tips: SAE connector for quick connection; triple-seal design to prevent leaks; standard ground electrode configuration; heat range 6; electrode gap 0.7 mm; thread size M18 x 1.5; reach 11.0 mm; non-resistor construction.

Compatibility

• compatible with a wide range of 2-stroke and 4-stroke engines in motorcycles, marine engines (examples include certain vintage and modern outboards), and select industrial/work machines.
• Alternative part numbers: AB-6, AB6, 2910 (NGK cross references).
• Notes: Historically used in various applications such as vintage Puch motorcycles (e.g., Puch 250E 1934–1937) in niche markets; verify fit with engine specifications when pairing with specialty equipment.