NGK Standard Spark Plug Part Number 5666 for Honda VFR750F and CHF50 Metropolitan – Reliable OE Performance

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. M/C - 2007-1991 HONDA

• 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

NGK Standard Spark Plugs, part number 5666, are engineered to meet or exceed OEM standards, providing dependable ignition performance for a wide range of Honda motorcycles including the VFR750F and CHF50 Metropolitan. Crafted with high-quality nickel alloy, these plugs deliver consistent ignition and durability, making them a reliable choice for both everyday riding and long-term maintenance. The iconic yellow packaging signifies NGK's commitment to quality, backed by decades of proven technology and innovation. Designed specifically for OE applications, these spark plugs feature a robust alumina silicate ceramic insulator that offers superior strength and heat transfer capabilities. The triple gasket sealing system prevents combustion gas leakage, ensuring efficient engine operation and preventing fouling or misfires. The solid copper core aids in superior heat dissipation, maintaining optimal operating temperatures across a wide heat range, which enhances overall engine performance. Trivalent metal plating provides excellent resistance to corrosion and seizing, simplifying installation and removal for maintenance or replacements. These plugs are a direct OE or equivalent replacement, ensuring compatibility and reliable performance on models from 1990 to 2003. With a focus on durability and ease of use, NGK Standard spark plugs are a trusted choice for motorcycle enthusiasts and professional mechanics alike. Each box contains 10 units, making them ideal for bulk maintenance or fleet use, while their compact design ensures straightforward installation. Whether for routine tune-ups or replacing worn-out plugs, NGK Standard spark plugs deliver the consistent, high-quality ignition performance necessary to keep your Honda motorcycle running smoothly and efficiently.

Features:

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

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

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

• Copper core: Aids in heat dissipation for consistent operation

• Corrugated ribs: Prevent flashover and improve spark stability

Fitment:
1989 Honda CB400F CB-1 Base
1989 Honda VTR250 Interceptor Base
1990 Honda CB400F CB-1 Base
1990 Honda VFR750F Interceptor Base
1990 Honda VFR750R RC30 Base
1990 Honda VTR250 Interceptor Base
1991 Honda ST1100 Base
1991 Honda VFR750F Interceptor Base
1992 Honda ST1100 Base
1992 Honda ST1100 ABS Base
1992 Honda VFR750F Interceptor Base
1993 Honda CBR900RR Base
1993 Honda ST1100 Base
1993 Honda ST1100 ABS Base
1993 Honda VFR750F Interceptor Base
1994 Honda CBR900RR Base
1994 Honda ST1100 Base
1994 Honda ST1100 ABS Base
1994 Honda VF750C Magna Base
1994 Honda VFR750F Interceptor Base
1995 Honda CBR900RR Base
1995 Honda ST1100 Base
1995 Honda ST1100 ABS Base
1995 Honda VF750C Magna Base
1995 Honda VF750CD Magna Deluxe Base
1995 Honda VFR750F Interceptor Base
1996 Honda CBR900RR Base
1996 Honda ST1100 Base
1996 Honda ST1100 ABS Base
1996 Honda VF750C Magna Base
1996 Honda VF750CD Magna Deluxe Base
1996 Honda VFR750F Interceptor Base
1996 Honda XR250R Base
1997 Honda CBR900RR Base
1997 Honda ST1100 Base
1997 Honda ST1100 ABS Base
1997 Honda VF750C Magna Base
1997 Honda VFR750F Interceptor Base
1997 Honda XR250R Base
1998 Honda CBR900RR Base
1998 Honda ST1100 Base
1998 Honda ST1100 ABS Base
1998 Honda VF750C Magna Base
1998 Honda VFR800 Interceptor Base
1998 Honda XR250R Base
1999 Honda CBR900RR Base
1999 Honda ST1100 Base
1999 Honda ST1100 ABS Base
1999 Honda VF750C Magna Base
1999 Honda VFR800 Interceptor Base
1999 Honda XR250R Base
2000 Honda ST1100 Base
2000 Honda ST1100 ABS Base
2000 Honda VF750C Magna Base
2000 Honda VFR800 Interceptor Base
2000 Honda XR250R Base
2001 Honda ST1100 Base
2001 Honda ST1100 ABS Base
2001 Honda VF750C Magna Base
2001 Honda VFR800 Interceptor Base
2001 Honda XR250R Base
2002 Honda CB900F 919 Base
2002 Honda CHF50 Metropolitan Base
2002 Honda CHF50P Metropolitan II Base
2002 Honda FSC600 Silver Wing Base
2002 Honda ST1100 Base
2002 Honda ST1100 ABS Base
2002 Honda VF750C Magna Base
2002 Honda XR250R Base
2003 Honda CB900F 919 Base
2003 Honda CHF50 Metropolitan Base
2003 Honda CHF50P Metropolitan II Base
2003 Honda FSC600 Silver Wing Base
2003 Honda FSC600A Silver Wing ABS Base
2003 Honda NPS50 Ruckus Base
2003 Honda ST1100 Base
2003 Honda ST1100 ABS Base
2003 Honda VF750C Magna Base
2003 Honda XR250R Base
2004 Honda CB900F 919 Base
2004 Honda CHF50 Metropolitan Base
2004 Honda CHF50P Metropolitan II Base
2004 Honda FSC600 Silver Wing Base
2004 Honda FSC600A Silver Wing ABS Base
2004 Honda NPS50 Ruckus Base
2004 Honda NPS50S Ruckus Base
2004 Honda XR250R Base
2005 Honda CB900F 919 Base
2005 Honda CHF50 Metropolitan Base
2005 Honda CHF50P Metropolitan II Base
2005 Honda FSC600 Silver Wing Base
2005 Honda FSC600A Silver Wing ABS Base
2005 Honda NPS50 Ruckus Base
2005 Honda NPS50S Ruckus Base
2006 Honda CB900F 919 Base
2006 Honda CHF50 Metropolitan Base
2006 Honda FSC600 Silver Wing Base
2006 Honda FSC600A Silver Wing ABS Base
2006 Honda NPS50 Ruckus Base
2006 Honda NPS50S Ruckus Base
2007 Honda CB900F 919 Base
2007 Honda CHF50 Metropolitan Base
2007 Honda CRF150R Base
2007 Honda CRF150R Expert Base
2007 Honda FSC600 Silver Wing Base
2007 Honda FSC600A Silver Wing ABS Base
2007 Honda NPS50 Ruckus Base
2007 Honda NPS50S Ruckus Base
2008 Honda CHF50 Metropolitan Base
2008 Honda CRF150R Base
2008 Honda CRF150R Expert Base
2008 Honda FSC600 Silver Wing Base
2008 Honda FSC600A Silver Wing ABS Base
2008 Honda NPS50 Ruckus Base
2008 Honda NPS50S Ruckus Base
2009 Honda CHF50 Metropolitan Base
2009 Honda CRF150R Base
2009 Honda CRF150R Expert Base
2009 Honda FSC600 Silver Wing Base
2009 Honda FSC600A Silver Wing ABS Base
2009 Honda NPS50 Ruckus Base
2009 Honda NPS50S Ruckus Base
2010 Honda FSC600 Silver Wing Base
2010 Honda FSC600A Silver Wing ABS Base
2010 Honda SH150I Base
2011 Honda FSC600A Silver Wing ABS Base
2011 Honda NPS50 Ruckus Base
2012 Honda CRF150R Base
2012 Honda CRF150R Expert Base
2012 Honda FSC600A Silver Wing ABS Base
2012 Honda NPS50 Ruckus Base
2013 Honda CRF150R Base
2013 Honda CRF150R Expert Base
2013 Honda FSC600A Silver Wing ABS Base
2013 Honda NPS50 Ruckus Base
2014 Honda CRF150R Base
2014 Honda CRF150R Expert Base
2014 Honda NPS50 Ruckus Base
2015 Honda CRF150R Base
2015 Honda CRF150R Expert Base
2015 Honda NPS50 Ruckus Base
2015 Honda PCX150 Base
2016 Honda CRF150R Base
2016 Honda CRF150R Expert Base
2016 Honda NPS50 Ruckus Base
2017 Honda CRF150R Base
2017 Honda CRF150R Expert Base
2017 Honda NPS50 Ruckus Base
2018 Honda CRF150R Base
2018 Honda NPS50 Ruckus Base
2019 Honda CRF150R Base
2019 Honda CRF150R Expert Base
2019 Honda NPS50 Ruckus Base
2020 Honda NPS50 Ruckus 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