NGK 6899 CPR6EA-9 Standard Nickel Spark Plug

The NGK 6899 (CPR6EA-9) is a standard nickel spark plug engineered for long-lasting performance and reliability in motorcycles and small engines. Constructed for longer life and optimum performance, this plug features a 98% pure copper core that delivers increased heat dissipation for more reliable starts and reduced risk of overheating.

Key Features:

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
• Corrugated ribs prevent flashover
• Cold-rolled threads prevent cross-threading and damage to cylinder heads
• Triple seals prevent leakage
• Projected nickel center electrode with 2.5mm size
• Built-in 5k Ohm resistor for noise suppression

Specifications:

• Thread Diameter: 10mm with 1.0mm pitch
• Reach: 19mm (3/4")
• Hex Size: 5/8" (16mm)
• Gap: .035" (0.9mm)
• Heat Range: 6
• Seat Type: Gasket
• Terminal Type: Threaded Stud
• Torque Specs - Cast Iron: 7.2-10.8 lb-ft; Aluminum: 7.2-8.7 lb-ft

This OE-quality spark plug is commonly used in Honda motorcycles including the Grom 125, CRF125F, and Monkey 125, as well as Suzuki Boulevard C90 models. The trivalent plating eliminates the need for anti-seize compound during installation.