Description

Genuine NGK 4772 DR9EIX Iridium IX Spark Plugs

The NGK DR9EIX is an iridium spark plug known for its durability and performance. Here’s a breakdown of its specifications and the types of vehicles that commonly use this spark plug:

Specifications:

• Manufacturer: NGK
• Part Number: DR9EIX
• Plug Type: Iridium IX
• Thread Diameter: 12 mm
• Thread Reach: 19 mm (3/4 inch)
• Hex Size: 18 mm
• Seat Type: Gasket
• Resistor: Yes
• Heat Range: 9 (NGK heat ranges go from 2 (hot) to 12 (cold))
• Electrode Type: Fine wire iridium center electrode for better performance
• Tip Configuration: Projected tip
• Gap: 0.9 mm (0.035 inches)

Features

• Iridium Tip: Offers high melting point and better longevity compared to traditional materials.
• Fine Wire Design: Ensures improved ignitability and enhanced throttle response.
• Trivalent Metal Plating: Provides superior anti-corrosion and anti-seizing properties.

Vehicles and Applications:

The NGK DR9EIX is often used in high-performance motorcycles and certain types of engines that require a colder heat range spark plug. It is commonly found in:

• Motorcycles:
  • Yamaha YZF-R6
  • Yamaha YZ250
  • Yamaha WR250
  • Kawasaki KX250
  • KTM 250 SX
  • Suzuki Bandit: Various models in the Suzuki Bandit series, particularly those with larger engines (such as the Bandit 1200 and Bandit 1250), can use these plugs.
  • Suzuki GSX-R Series: Some older models, particularly those with larger engines like the GSX-R 1100.
  • Yamaha YZF-R1: Some specific model years.
  • Kawasaki Ninja ZX-9R: Certain models of this high-performance sports bike.
  • Other Performance Motorcycles: Certain models from manufacturers like Honda, Kawasaki, and Yamaha, especially in the sport and touring categories, may also use these spark plugs.
• ATVs:
  • Yamaha YFZ450
  • Honda TRX450R
• Snowmobiles:
  • Ski-Doo MXZ 600
  • Arctic Cat models with specific 2-stroke engines

The NGK DR9EIX is particularly favored in engines that operate under high stress or at high RPMs, where a cooler plug helps to manage the engine’s thermal characteristics better. Always check the manufacturer’s recommendations for your specific vehicle to ensure compatibility with the NGK DR9EIX spark plug.