NGK BPR4HS Standard Spark Plugs - Reliable OE Replacement for Small Engines and Motorcycles

NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK's legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties. NGK Standard spark plugs are proven technology that offer reliable performance. Actual OE or equivalent replacement spark plug. NGK Standard plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. ATV - 2006-03 KAW, 2005-02, 1986 SUZ, M/C - 1983-82 HON, 2006-03 KAW, 2008-07 MIDWEST, 2005-86 SUZ, 2005-00 UTD MOTORS, PE ENGINES - TECUMSEH, C/SAW - DITCH DEVIL, ELITE, GENERATOR - VARIOUS, LAWNMOWER - GRAVELY, SNOW THROWER TORO, YAMAHA

• TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
• Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
• Trivalent metal plating for superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Copper core aids in heat removal
• Triple seals prevent leakage

The NGK BPR4HS standard spark plugs are designed to deliver dependable performance for a wide range of small engines, motorcycles, and outdoor power equipment. Packaged in the iconic yellow box, these plugs are engineered to meet or exceed OEM specifications, ensuring optimal compatibility and reliable ignition in various applications. Featuring a high-grade nickel alloy center electrode, these plugs provide consistent spark delivery and durability, making them a trusted choice for both professional technicians and DIY enthusiasts.
The advanced ceramic insulator, made from superior alumina silicate, offers enhanced strength and efficient heat transfer, which helps prevent fouling and promotes stable engine performance. The triple gasket sealing system effectively prevents combustion gas leakage, ensuring the engine runs smoothly and efficiently. The solid copper core enhances heat dissipation, allowing the spark plug to operate within a wide heat range and maintain optimal temperature for combustion.
In addition, the trivalent metal plating on the NGK BPR4HS plugs offers excellent anti-corrosion and anti-seizing properties, facilitating easier installation and removal over time. The design incorporates corrugated ribs to prevent flashover, further improving reliability. These plugs are suitable for a variety of small engine models, including Yamaha PW50, Suzuki Lt50 Quadrunner, and Honda generators, among others, making them a versatile choice for your outdoor and recreational equipment. Each box contains 10 spark plugs, ensuring you have a reliable supply for ongoing maintenance and repairs. Trust NGK’s proven technology to keep your engines running smoothly and efficiently, backed by decades of OE experience and engineering excellence.

Features:

• Trivalent metal plating: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal

• Pure alumina silicate ceramic insulator: Provides superior strength and better heat transfer

• Triple gasket sealing: Prevents leakage of combustion gases for optimal engine performance

• Copper core: Aids in heat removal and enhances conductivity

• Corrugated ribs: Prevent flashover for added reliability

Fitment:
1971 Suzuki F50 Base
1973 Suzuki MT50 Base
1977 Honda NC50 Base
1978 Honda NC50 Base
1979 Honda NA50 Base
1979 Honda NC50 Base
1979 Suzuki FZ50 Base
1979 Suzuki Jr50 Base
1979 Yamaha Qt50 Base
1980 Honda NA50 Base
1980 Honda NC50 Base
1980 Suzuki FZ50 Base
1980 Suzuki Jr50 Base
1980 Yamaha Qt50 Base
1981 Honda NA50 Base
1981 Honda NC50 Base
1981 Suzuki FA50 Base
1981 Suzuki FS50 Base
1981 Suzuki FZ50 Base
1981 Suzuki Jr50 Base
1981 Yamaha PW50 Base
1981 Yamaha Qt50 Base
1982 Honda NC50 Base
1982 Suzuki FA50 Base
1982 Suzuki FZ50 Base
1982 Suzuki Jr50 Base
1982 Yamaha MJ50 Base
1982 Yamaha PW50 Base
1982 Yamaha Qt50 Base
1983 Honda NC50 Base
1983 Suzuki Alt50 Base
1983 Suzuki FA50 Base
1983 Suzuki Jr50 Base
1983 Yamaha PW50 Base
1983 Yamaha Qt50 Base
1984 Suzuki Alt50 Base
1984 Suzuki FA50 Base
1984 Suzuki Jr50 Base
1984 Suzuki Lt50 Quadrunner Base
1984 Yamaha PW50 Base
1984 Yamaha Qt50 Base
1985 Suzuki Jr50 Base
1985 Suzuki Lt50 Quadrunner Base
1985 Yamaha PW50 Base
1985 Yamaha Qt50 Base
1986 Suzuki FA50 Base
1986 Suzuki Jr50 Base
1986 Suzuki Lt50 Quadrunner Base
1986 Yamaha PW50 Base
1986 Yamaha Qt50 Base
1987 Suzuki FA50 Base
1987 Suzuki Jr50 Base
1987 Suzuki Lt50 Quadrunner Base
1987 Yamaha PW50 Base
1987 Yamaha Qt50 Base
1988 Suzuki FA50 Base
1988 Suzuki Jr50 Base
1988 Yamaha PW50 Base
1989 Suzuki FA50 Base
1989 Suzuki Jr50 Base
1989 Yamaha PW50 Base
1990 Suzuki FA50 Base
1990 Suzuki Jr50 Base
1990 Yamaha PW50 Base
1991 Suzuki FA50 Base
1991 Suzuki Jr50 Base
1991 Yamaha PW50 Base
1992 Suzuki Jr50 Base
1992 Yamaha PW50 Base
1993 Suzuki Jr50 Base
1993 Yamaha PW50 Base
1994 Suzuki Jr50 Base
1994 Yamaha PW50 Base
1995 Suzuki Jr50 Base
1995 Yamaha PW50 Base
1996 Suzuki Jr50 Base
1996 Yamaha PW50 Base
1997 Suzuki Jr50 Base
1997 Yamaha PW50 Base
1998 Suzuki Jr50 Base
1998 Yamaha PW50 Base
1999 Suzuki Jr50 Base
1999 Yamaha PW50 Base
2000 Aprilia Scarabeo 50 2T Base
2000 Suzuki Jr50 Base
2000 Yamaha PW50 Base
2001 Aprilia Scarabeo 50 2T Base
2001 Suzuki Jr50 Base
2001 Yamaha PW50 Base
2002 Aprilia Scarabeo 50 2T Base
2002 Suzuki Jr50 Base
2002 Suzuki Lt-A50 QuadMaster Base
2002 Yamaha PW50 Base
2003 Aprilia Scarabeo 50 2T Base
2003 Kawasaki KDX50 Base
2003 Suzuki Jr50 Base
2003 Suzuki Lt-A50 QuadMaster Base
2003 Yamaha PW50 Base
2004 Aprilia Scarabeo 50 2T Base
2004 Kawasaki KDX50 Base
2004 Kawasaki KFX50 Base
2004 Suzuki Jr50 Base
2004 Suzuki Lt-A50 QuadMaster Base
2004 Yamaha PW50 Base
2005 Aprilia Scarabeo 50 2T Base
2005 Kawasaki KDX50 Base
2005 Kawasaki KFX50 Base
2005 Suzuki Jr50 Base
2005 Suzuki Lt-A50 QuadMaster Base
2005 Yamaha PW50 Base
2006 Aprilia Scarabeo 50 2T Base
2006 Kawasaki KDX50 Base
2006 Kawasaki KFX50 Base
2006 Suzuki Jr50 Base
2006 Yamaha PW50 Base
2007 Yamaha PW50 Base
2008 Yamaha PW50 Base
2009 Yamaha PW50 Base
2012 Yamaha PW50 Base
2013 Yamaha PW50 Base
2014 Yamaha PW50 Base
2015 Yamaha PW50 Base
2016 Yamaha PW50 Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 10