NGK BR9EIX Iridium IX resistor type performance spark plug. The ultimate in the evolution of spark plug technology and performance from the industry leader. Fine Iridium tip ensures high durability and a consistently stable spark Iridium alloy has extremely high melting point, perfect for todays high-tech, high-performance engines. Always verify fitment with your specific engine thread size, reach, electrode gap and heat range.
Features:
- The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode
- Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life
- New metal shell plating has enhanced anti-corrosion qualities
- Resistor type
- Hex Size: 13/16" (20.8 mm)
- Thread: M14 × 1.25
- Thread Reach: 19.1mm
- Electrode / Spark gap: 0.8mm / 0.031"
- Heat range: 9
NGK Part Number: 3981
Fits Honda:
NSR50R Mini 50 - 2004
CR60R - 1983-1984
CR80R - 1982-1985
CR80R Elsinore - 1980-1981
CR125M Elsinore - 1976-1978
CR125M0 Elsinore - 1974
CR125M1 Elsinore - 1975
CR125R - 1982-1997, 1999-2007
CR125R Elsinore - 1979-1981
MT125 Elsinore - 1976
MT125K0 Elsinore - 1974
MT125K1 Elsinore - 1975
MT125R - 1977-1978
CR250M Elsinore - 1976
CR250M Elsinore (CR250M0) - 1973-1974
CR250M1 Elsinore - 1975
CR250R - 1987-1988
CR250R Elsinore - 1978-1981
Fits Kawasaki:
A7 Avenger - 1967-1968
KDX175 - 1980-1982
KDX200 - 1983-2006
KDX220R - 1997-2005
KDX250 - 1981, 1984, 1991-1994
KDX80 - 1984
KE125 - 1982
KX125 - 1974-1982, 1994-2005
KX250 - 1974-1976, 1978-1982, 1986-1991
KX400 - 1975-1976
KX420 - 1980-1981
KX500 - 1983-1984
KX60 - 1983-2003
KX80 - 1980-1991
KX80 Big Wheel - 1987-1991
Fits Suzuki:
GT250 - 1976-1977
PE175 - 1978
RM100 - 1976-1979
RM125 - 1975-1979
RM250 - 1976-1979
RM370 - 1976-1977
RM60 - 2003
RM80 - 1982-1993, 1995-2001
RM85 - 2002-2006
RM85L - 2003-2006
RMX250 - 1989-1998
RS175 - 1980-1982
RS250 - 1980-1981
Fits Yamaha:
AT1M - 1970-1971
AT2M - 1972
AT3 - 1973
ATMX - 1973
DT125 - 1978
DT175 - 1980-1981
DT3 - 1973
DT360 - 1974
DT400 - 1975-1976
IT125 - 1980-1981
IT175 - 1979-1983
IT200 - 1984-1985
IT250 - 1977-1981, 1983
MX125 - 1974-1976
MX400 - 1975
RT1 - 1970-1971
RT2 - 1972-1973
RT3 - 1973
TY175 - 1975-1976
WR200 - 1992
YZ100 - 1982
YZ125 - 1974-1976, 1982-2018
YZ250 - 1974-1982, 1984-1987
YZ50 - 1980
YZ60 - 1981-1983
YZ80 - 1982-1983
