NGK Spark Plug

NGK CR9E is recommended for all high compression stock bore and big bore applications for Honda CRF110, CRF125F, Grom/Monkey/Cub. NGK standard plugs are constructed for longer life and optimum performance.

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage
• Thread Diameter10mm
• Thread Pitch1.0mm
• Seat TypeGasket
• Reach19mm (3/4")
• Hex Size5/8" (16mm)
• Terminal TypeThreaded Stud
• Overall HeightISO
• Gap.031" (0.8mm)

NGK Surface Gap Racing Series plugs are engineered to withstand the harshest engine conditions. Special insulator nose configurations improve throttle response. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage.

Heat Range - 10
Thread - 10x1.0
Reach - 19mm
Terminal Type - Removable*
(*some models may require removed)
Gap .012” (0.3mm)

Recommended for race applications only where high RPM engine speed is commonly used.
Not recommended for street/trail use with continuous low rpm idling.