Bougie NGK - Aprilia AF1 125 Replica 1988

Overview

NGK is a globally recognised leader in ignition technology, manufacturing high-quality spark plugs engineered for reliable starting, efficient combustion and long service life. Trusted by OEM manufacturers and performance specialists, NGK plugs deliver consistent ignition under demanding conditions.

NGK Spark Plug B10EG
Wemoto Product Code: AB9587
The NGK B10EG is a high-performance, non-resistor spark plug designed for racing and performance-focused engines requiring a very cold heat range. Built to withstand high engine temperatures and sustained high RPM use, it provides strong and stable spark delivery under extreme conditions.

Technical Specifications

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Hex Size: 20.8mm (13/16")
• Reach: 19mm (3/4")
• Heat Range: 10

Engineered for high-compression and high-revving applications, the B10EG is suitable as a direct replacement where this exact specification is required. Always ensure correct heat range selection for your engine setup.

Key Features & Benefits

• Genuine NGK spark plug
• Very cold heat range 10 for racing and high-performance engines
• Designed for sustained high RPM operation
• 14mm thread with 19mm reach (long reach design)
• Durable construction for extreme operating conditions
• Suitable for motorcycles requiring B10EG specification

Why buy from Wemoto

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