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.
1 review for NGK DR9EIX 4772 Iridium IX Spark Plugs
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