NGK Spark Plug for Yamaha YZ490 1982-1990

NGK have over 80 years of experience in spark plug manufacturing and are the world leader in spark plug technology. NGK has an extensive range of spark plugs each with their own unique characteristics specifically engineered to its application and designed to suit a broad range of motorcycles ATVs & UTVs in Australasia. With NGK's dedication to quality outstanding reliability and state of the art manufacturing techniques you can rely on your NGK Spark Plugs.

Don’t just ask for a spark plug insist on NGK.

The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating. While cold-rolled threads prevent cross-threading and damage to cylinder heads and a trivalent plating eliminates the need for anti-seize. Complete with a high-grade alumina silicate ceramic.

Shell

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Reach: 19mm (3/4 )
• Hex Size: 21mm (13/16 )
• Terminal Type: Removable Nut
• Overall Height: ISO
• Gap: 0.8mm (0.031 )

Centre Electrode

• Material: Nickel
• Type: Standard
• Size: 2.5mm
• Projection: Non-Projected

Ground Electrode

• Material: Nickel
• Type: Standard
• Quantity: 1

Specifications

• Heat Range: 8

Bike Fitment:

• Yamaha YZ490 1982
• Yamaha YZ490 1983
• Yamaha YZ490 1984
• Yamaha YZ490 1985
• Yamaha YZ490 1986
• Yamaha YZ490 1987
• Yamaha YZ490 1988
• Yamaha YZ490 1989
• Yamaha YZ490 1990