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
• Resistor Value: 5K Ohm
• 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:

• Polaris Trail Boss 250 2X4 1985
• Polaris Trail Boss 250 2X4 1986
• Polaris Trail Boss 250 2X4 1987
• Polaris Trail Boss 250 2X4 1988
• Polaris Trail Boss 250 2X4 1989
• Polaris Trail Boss 250 2X4 1990
• Polaris Trail Boss 250 2X4 1991
• Polaris Trail Boss 250 2X4 1992
• Polaris Trail Boss 250 2X4 1993
• Polaris Trail Boss 250 2X4 1994
• Polaris Trail Boss 250 2X4 1995
• Polaris Trail Boss 250 2X4 1996
• Polaris Trail Boss 250 2X4 1997
• Polaris Trail Boss 250 2X4 1998
• Polaris Trail Boss 250 2X4 1999
• Polaris Trail Boss 250 2X4 2000
• Polaris Trail Boss 250 2X4 2001