Spark Plug NGK - Suzuki RM 125 N 1992

Overview

NGK is a globally recognised leader in ignition technology, producing high-quality spark plugs engineered for reliable starting, efficient combustion and long service life. Designed to meet OEM specifications, NGK plugs are trusted by manufacturers and workshops worldwide.

NGK Spark Plug R4118S-9
Wemoto Product Code: AB9659
The NGK R4118S-9 is a high-performance NGK Iridium racing spark plug developed for demanding engine applications where reliable ignition and consistent combustion are essential. Its fine iridium centre electrode supports improved ignitability and stable spark performance, helping deliver reliable combustion in high-performance and competition engines.

Technical Specifications

• Thread Size: 10mm
• Hex Size: 16mm (5/8")
• Reach: 19mm
• Heat Range: 9

Part of NGK’s advanced racing spark plug range, the R4118S-9 is engineered to withstand high temperatures and demanding engine conditions. Its iridium construction helps ensure consistent spark delivery, improved ignitability and reliable performance in engines requiring this specialised racing spark plug specification.

Key Features & Benefits

• Genuine NGK Iridium racing spark plug
• Fine iridium centre electrode for improved ignitability
• Designed for high-performance and competition engines
• Reliable ignition performance under demanding conditions
• Heat range 9 for correct thermal performance in specified applications
• 10mm thread with 19mm reach
• Suitable for engines requiring R4118S-9 specification

Why buy from Wemoto

• Fast dispatch and reliable delivery
• Extensive range of motorcycle, scooter and ATV parts
• Knowledgeable customer support team