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 improved throttle response superior anti-fouling and high-ignitability make Iridium IX^® ideal for the performance enthusiast. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines delivering outstanding acceleration fuel efficiency and durability.

• Fine iridium tip ensures high durability and a consistently stable spark
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Outstanding acceleration high fuel efficiency and durability

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: Iridium
• Type: Fine Wire
• Size: 0.6mm
• Projection: Non-Projected

Ground Electrode

• Material: Nickel
• Type: Standard
• Shape: Taper Cut
• Quantity: 1

Specifications

• Heat Range: 8
• Resistor: Yes

Bike Fitment:

• Yamaha YZ250 1982
• Yamaha YZ250 1983
• Yamaha YZ250 1984
• Yamaha YZ250 1985
• Yamaha YZ250 1986
• Yamaha YZ250 1987
• Yamaha YZ250 1988
• Yamaha YZ250 1989
• Yamaha YZ250 1990
• Yamaha YZ250 1991
• Yamaha YZ250 1992
• Yamaha YZ250 1993
• Yamaha YZ250 1994
• Yamaha YZ250 1995
• Yamaha YZ250 1996
• Yamaha YZ250 1997
• Yamaha YZ250 1998
• Yamaha YZ250 1999
• Yamaha YZ250 2000
• Yamaha YZ250 2001
• Yamaha YZ250 2002
• Yamaha YZ250 2003
• Yamaha YZ250 2004
• Yamaha YZ250 2005
• Yamaha YZ250 2006
• Yamaha YZ250 2007
• Yamaha YZ250 2008
• Yamaha YZ250 2009
• Yamaha YZ250 2010
• Yamaha YZ250 2011
• Yamaha YZ250 2012
• Yamaha YZ250 2013
• Yamaha YZ250 2014
• Yamaha YZ250 2015
• Yamaha YZ250 2016
• Yamaha YZ250 2017
• Yamaha YZ250 2018
• Yamaha YZ250 2019
• Yamaha YZ250 2020