NGK 2120 | Spark Plug

Part Number

2120

Spark Plug-Standard NGK 2120 fits 1981 Honda GL500 Silver Wing

Fits: 70-72 Honda CB100 Super Sport, 70-72 Honda CL100 Scrambler, 70-73 Honda SL100, 71-73 Honda CL100/S Scrambler, 71-73 Honda SL125, 72-74 Honda CB350F, 72-76 Honda XL250, 73-81 Honda CB125S, 73-74 Honda CL125 Scrambler, 73-76 Honda TL125, 74-76 Honda CB200, 74 Honda CL200 Scrambler, 74-78 Honda XL100, 74-78 Honda XL125, 74-78 Honda XL350, 75-77 Honda CB400F Super Sport, 75-81 Honda CB750F Super Sport, 75-79 Honda GL1000 Gold Wing, 75-78 Yamaha XS500, 76-78 Honda CB750A Automatic, 77-81 Honda CB750K, 77 Honda CT125, 78 Honda CB400A Hondamatic, 78-79 Honda CB400TII Hawk II, 78-79 Honda CX500, 78-81 Honda XL250S, 78-79 Suzuki DR370, 78-79 Suzuki SP370, 79-81 Honda CB650, 79 Honda CB750L, 79-81 Honda CBX, 79-81 Honda CM400A Hondamatic, 79-81 Honda CM400T, 79-81 Honda CX500C Custom, 79 Honda CX500D Deluxe, 79-81 Honda XL125S, 79-81 Honda XL185S, 79-81 Honda XL500S, 79 Honda XR185, 79-80 Honda XR250, 79-80 Honda XR500, 80 Honda ATC185, 80-81 Honda CB400T Hawk, 80-81 Honda CB750C Custom, 80-81 Honda CM400E, 80-81 Honda CT110, 80 Honda GL1100 Gold Wing, 80-81 Honda XR200, 80-83 Kawasaki KZ550A, 80-83 Kawasaki KZ550C LTD, 80 Suzuki DR400, 80-83 Suzuki GS1100E, 80 Suzuki GS1100L, 80-83 Suzuki GS750E, 80 Suzuki SP400, 81 Honda ATC185S, 81 Honda ATC200, 81 Honda CM400C Custom, 81 Honda GL500 Silver Wing, 81 Honda GL500I Silver Wing Interstate, 81 Honda XR250R, 81 Honda XR500R, 81-83 Kawasaki KZ550D/H GPZ, 81-83 Suzuki DR500, 81-82 Suzuki GN400, 81-83 Suzuki SP500, 82-88 Suzuki DR125, 82-85 Suzuki DR250, 82-83 Suzuki GN125E, 82-83 Suzuki GS1100G, 82-83 Suzuki GS1100GK, 82-83 Suzuki GS1100GL, 82-83 Yamaha XS400R Seca, 82-83 Yamaha XT125, 82-83 Yamaha XT200, 82-83 Yamaha XZ550R Vision, 83-86 BMW K100, 83-88 BMW K100RS, 83 Kawasaki KZ550F Spectre, 83 Kawasaki KZ550M LTD Shaft, 83-90 Suzuki DR100, 83 Suzuki GN250, 83 Suzuki GR650 Tempter, 83 Suzuki GS1100ES, 83 Suzuki GS1100S Katana, 83 Suzuki GS750ES, 83 Suzuki SP100, 83 Suzuki SP125, 83-84 Suzuki SP250, 84-86 Husqvarna TX510, 84 Kawasaki KL600, 84 Kawasaki KZ550F LTD Shaft, 84-86 Kawasaki ZX900 Ninja, 85 Suzuki GN250, 84-85 Yamaha FJ600, 84 Yamaha XT250, 85-88 BMW K100RT, 85 Husqvarna TC500, 85-88 Kawasaki KLF185 Bayou, 85 Kawasaki KLT160, 85-86 Kawasaki ZL900A Eliminator, 85 Suzuki GS700E, 85 Suzuki GS700ES, 85-86 Suzuki LT250EF, 86-88 Suzuki SP125, 85-88 Yamaha BW200, 85 Yamaha XJ700X Maxim X, 85-00 Yamaha XT350, 86-87 Kawasaki KLT185, 86-88 Kawasaki ZG1000 Concours, 86-88 Suzuki DR200, 88 Suzuki GN250, 86-88 Suzuki SP200, 86-88 Yamaha FZ600, 86-87 Yamaha TT225, 86-87 Yamaha TT350, 86-90 Yamaha YX600 Radian, 90-99 Kawasaki ZG1000 Concours, 87 Kawasaki ZL1000 Eliminator, 87-90 Kawasaki ZX750F Ninja 750R, 87-89 Suzuki LT300E, 87-88 Yamaha BW350, 87 Yamaha SRX250, 87-99 Yamaha TW200, 87-95 Yamaha YFM350ER Moto-4, 87-99 Yamaha YFM350FW Big Bear 4x4, 88-89 BMW K100RS ABS, 88-95 BMW K75, 88-99 Kawasaki KLF220 Bayou, 88-90 KTM 600 MX, 88 KTM 600 MXC, 88 Yamaha YFP350 TerraPro, 89-99 Kawasaki KLF300 Bayou 4x4, 89-90 Kawasaki ZX750 Ninja ZX-7, 89-90 KTM 600 DXC, 91-97 Suzuki GN125E, 91-99 ATK 350 CC, 91-92 BMW K100RS FL, 91-92 BMW K100RS FL ABS, 93-00 ATK 605 CC, 93 KTM 600 EXC, 93-00 Yamaha YFM400F Kodiak 4x4, 94 BMW K75A, 94-97 KTM 620 EXC, 95 BMW K75/3, 95 BMW K75/3A, 95-99 Kawasaki KEF300 Lakota Utility, 95-98 KTM 620 RXC, 96-97 Kawasaki ZL600 Eliminator, 96-98 KTM 400 RXC, 96-97 KTM 620 Duke, 96-98 KTM 620 SX, 96-99 Yamaha YFM350U Big Bear 2x4, 97-98 Aprilia Pegaso 650, 97-00 BMW F650, 97 BMW F650ST, 98-99 ATK 350 Enduro, 98-02 ATK 600 DT, 98-03 ATK 605 Enduro, 98-00 BMW F650 Enduro, 98 KTM 400 SX, 99 ATK 500 DT, 99 BMW F650 SE, 99 Kawasaki KVF300 Prairie 2x4, 99 Kawasaki KVF300 Prairie 4x4, 02 ATK 350 Enduro, 00 Yamaha YFM400A Kodiak, 01-04 BMW F650GS, 01-03 BMW F650GS ABS, 01-04 BMW F650GS Dakar, 03 ATK 500 DT, 02-03 ATK 500 Enduro, 02-04 BMW F650GS Dakar ABS, 03 ATK 125 Enduro (4-Stroke), 03-05 Benelli Tornado Tre 900, 04-05 Benelli Tornado Tre 900 RS, 17 Arctic Cat 150, 18 Textron Alterra 150

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Product Information

Description

Experience unmatched reliability with the NGK 2120 Standard Spark Plug, a cornerstone for effortless ignition performance designed from decades of NGK expertise. This spark plug features OE quality nickel alloy center electrode and high-grade alumina silicate ceramic insulator, providing superior dielectric performance to ensure your engine runs smoothly. Say goodbye to combustion gas leakage with the NGK’s triple gasket sealing technology.Designed to cater to a wide range of vehicles, the NGK 2120 spark plug's solid copper core offers superb heat dissipation, while its trivalent metal plating delivers unbeatable anti-corrosion and anti-seizing capabilities. Whether you are a DIY enthusiast or a professional mechanic, this spark plug is a reliable choice for maintaining and enhancing your vehicle’s ignition system. Complement your purchase with an NGK Spark Plug wire set for uncompromised ignition performance.

Features

OE Nickel Alloy Center Electrode for Consistent Performance
Triple Gasket Sealing Prevents Combustion Gas Leakage
High-Grade Alumina Silicate Ceramic for Robust Insulation
98% Pure Copper Core for Superior Heat Dissipation
Trivalent Metal Plating Ensures Anti-Corrosion Properties
Cold-Rolled Threads Prevent Cylinder Head Damage
Proven Design Fit for Multiple Vehicle Applications

Specifications

Center Electrode Core Material:	Copper
Center Electrode Tip Material:	Nickel
Electrical Terminal Type:	Stud
Ground Electrode Core Material:	Nickel
Hex Size:	18
Manufacturer Heat Range:	8
Part Number:	D8EA
Pre-Gap Size:	.028
Thread Diameter:	12.00
Stock Number:	2120

Interchange

Yamaha: 94703-00157
BMW: 12 12 2 343 144
Arctic Cat: 0217-796
DENSO Auto Parts: X24ES-U
Kawasaki: 92070-1225
Torch: D8T
Bosch: X4CS
ACDelco: S121XL
Suzuki: 09482-00144
Torch: D8RC
Motorcraft: HG2CU
Champion Spark Plug: A6
Motorcraft: HG2
Motorcraft: HG22
Autolite: 4132
SYM: 98069-58717-02
Honda: 98069-58717
Motorcraft: HG22C
Yamaha: 94700-00827
Autolite: AR4132
Kawasaki: 92070-1011
DENSO Auto Parts: 4099
NGK Spark Plugs USA - Spark Plugs and Glow Plugs: 2120
Autolite: 3854
Motorcraft: HG2C
Autolite: 2755
John Deere: TY26724
Yamaha: 94701-00157
Torch: D8C
Magneti Marelli: CX8L

Fitment

1970-1972 Honda CB100 Super Sport | Note: "Gap 0.028"
1970-1972 Honda CL100 Scrambler | Note: "Gap 0.028"
1970-1973 Honda SL100 | Note: "Gap 0.028"
1971-1973 Honda CL100/S Scrambler | Note: "Gap 0.028"
1971-1973 Honda SL125 | Note: "Gap 0.028"
1972-1974 Honda CB350F | Note: "Gap 0.028"
1972-1976 Honda XL250 | Note: "Gap 0.028"
1973-1981 Honda CB125S | Note: "Gap 0.028"
1974-1976 Honda CB200 | Note: "Gap 0.028"
1974 Honda CL200 Scrambler | Note: "Gap 0.028"
1974-1978 Honda XL100 | Note: "Gap 0.028"
1974-1978 Honda XL350 | Note: "Gap 0.028"
1975-1977 Honda CB400F Super Sport | Note: "Gap 0.028"
1976-1978 Honda CB750A Automatic | Note: "Gap 0.028"
1977-1981 Honda CB750K | Note: "Gap 0.028"
1977 Honda CT125 | Note: "Gap 0.028"
1978-1979 Honda CB400TII Hawk II | Note: "Gap 0.028"
1978-1981 Honda XL250S | Note: "Gap 0.028"
1978-1979 Suzuki DR370 | Note: "Gap 0.028"
1978-1979 Suzuki SP370 | Note: "Gap 0.028"
1979 Honda CB750L | Note: "Gap 0.028"
1979 Honda CX500D Deluxe | Note: "Gap 0.028"
1979-1981 Honda XL185S | Note: "Gap 0.028"
1980 Honda ATC185 | Note: "Gap 0.028"
1980-1981 Honda CM400E | Note: "Gap 0.028"
1980-1981 Honda CT110 | Note: "Gap 0.028"
1980 Honda GL1100 Gold Wing | Note: "Gap 0.028"
1980-1981 Honda XR200 | Note: "Gap 0.028"
1980 Suzuki GS1100L | Note: "Gap 0.028"
1980 Suzuki SP400 | Note: "Gap 0.028"
1981 Honda CM400C Custom | Note: "Gap 0.028"
1981 Honda GL500I Silver Wing Interstate | Note: "Gap 0.028"
1981 Honda XR500R | Note: "Gap 0.028"
1981-1983 Kawasaki KZ550D/H GPZ | Note: "Gap 0.028"
1981-1983 Suzuki DR500 | Note: "Gap 0.028"
1981-1982 Suzuki GN400 | Note: "Gap 0.028"
1981-1983 Suzuki SP500 | Note: "Gap 0.028"
1982-1985 Suzuki DR250 | Note: "Gap 0.028"
1982-1983 Suzuki GS1100E | Note: "16 Valve;Gap 0.028"
1982-1983 Suzuki GS1100G | Note: "16 Valve;Gap 0.028"
1982-1983 Suzuki GS1100GL | Note: "16 Valve;Gap 0.028"
1982-1983 Yamaha XS400R Seca | Note: "Gap 0.028"
1982-1983 Yamaha XT125 | Note: "Gap 0.028"
1982-1983 Yamaha XT200 | Note: "Gap 0.028"
1983 Kawasaki KZ550M LTD Shaft | Note: "Gap 0.028"
1983-1990 Suzuki DR100 | Note: "Gap 0.028"
1983 Suzuki GN250 | Note: "Gap 0.028"
1983 Suzuki GS1100S Katana | Note: "16 Valve;Gap 0.028"
1984 Kawasaki KL600 | Note: "Gap 0.028"
1985 Suzuki GN250 | Note: "Gap 0.028"
1984-1985 Yamaha FJ600 | Note: "Gap 0.028"
1984 Yamaha XT250 | Note: "Gap 0.028"
1985-1988 Kawasaki KLF185 Bayou | Note: "Gap 0.028"
1985 Suzuki GS700E | Note: "Gap 0.028"
1985 Suzuki GS700ES | Note: "Gap 0.028"
1985-1988 Yamaha BW200 | Note: "Gap 0.028"
1985-2000 Yamaha XT350 | Note: "Gap 0.024"
1986-1987 Kawasaki KLT185 | Note: "Gap 0.028"
1986-1988 Kawasaki ZG1000 Concours | Note: "Gap 0.028"
1986 Suzuki LT250EF | Note: "EF Quadrunner;Gap 0.028"
1986-1988 Yamaha FZ600 | Note: "Gap 0.028"
1986-1987 Yamaha TT225 | Note: "Gap 0.028"
1986-1990 Yamaha YX600 Radian | Note: "Gap 0.028"
1990-1999 Kawasaki ZG1000 Concours | Note: "Gap 0.028"
1987-1990 Kawasaki ZX750F Ninja 750R | Note: "Gap 0.028"
1987-1989 Suzuki LT300E | Note: "Gap 0.028"
1987-1999 Yamaha TW200 | Note: "Gap 0.028"
1988-1989 BMW K75 | Note: "Gap 0.020"
1988-1999 Kawasaki KLF220 Bayou | Note: "Gap 0.028"
1990-1994 BMW K75 | Note: "Exc. K75/2;Gap 0.020"
1993 KTM 600 EXC | Note: "Gap 0.036"
1994-1997 KTM 620 EXC | Note: "Gap 0.024"
1995 BMW K75/3A | Note: "Gap 0.020"
1995-1999 Kawasaki KEF300 Lakota Utility | Note: "Gap 0.028"
1996-1997 KTM 620 Duke | Note: "Gap 0.024"
1997-2000 BMW F650 | Note: "Gap 0.032";Actual OE Manufacturer"
1998-2003 ATK 605 Enduro | Note: "Gap 0.025"
1998-2000 BMW F650 Enduro | Note: "Gap 0.032";Actual OE Manufacturer"
1999 ATK 500 DT | Note: "Gap 0.025"
2002 ATK 350 Enduro | Note: "Gap 0.025"
2001-2004 BMW F650GS | Note: "Gap 0.032";Actual OE Manufacturer"
2001-2004 BMW F650GS Dakar | Note: "Gap 0.032";Actual OE Manufacturer"
2002-2003 ATK 500 Enduro | Note: "Gap 0.025"
2002-2004 BMW F650GS Dakar ABS | Note: "Gap 0.032";Actual OE Manufacturer"
2003 ATK 125 Enduro (4-Stroke) | Note: "Gap 0.025"
2003-2005 Benelli Tornado Tre 900 | Note: "Gap 0.020"
1973-1974 Honda CL125 Scrambler | Note: "Gap 0.028"
1973-1976 Honda TL125 | Note: "Gap 0.028"
1974-1978 Honda XL125 | Note: "Gap 0.028"
1975-1981 Honda CB750F Super Sport | Note: "Gap 0.028"
1975-1979 Honda GL1000 Gold Wing | Note: "Gap 0.028"
1975-1978 Yamaha XS500 | Note: "Gap 0.028"
1978 Honda CB400A Hondamatic | Note: "Gap 0.028"
1978-1979 Honda CX500 | Note: "Gap 0.028"
1979-1981 Honda CB650 | Note: "Gap 0.028"
1979-1981 Honda CBX | Note: "Gap 0.028"
1979-1981 Honda CM400A Hondamatic | Note: "Gap 0.028"
1979-1981 Honda CM400T | Note: "Gap 0.028"
1979-1981 Honda CX500C Custom | Note: "Gap 0.028"
1979-1981 Honda XL125S | Note: "Gap 0.028"
1979-1981 Honda XL500S | Note: "Gap 0.028"
1979 Honda XR185 | Note: "Gap 0.028"
1979-1980 Honda XR250 | Note: "Gap 0.028"
1979-1980 Honda XR500 | Note: "Gap 0.028"
1980-1981 Honda CB400T Hawk | Note: "Gap 0.028"
1980-1981 Honda CB750C Custom | Note: "Gap 0.028"
1980-1983 Kawasaki KZ550A | Note: "Gap 0.028"
1980-1983 Kawasaki KZ550C LTD | Note: "Gap 0.028"
1980 Suzuki DR400 | Note: "Gap 0.028"
1980-1981 Suzuki GS1100E | Note: "Gap 0.028"
1980-1983 Suzuki GS750E | Note: "Gap 0.028"
1981 Honda ATC185S | Note: "Gap 0.028"
1981 Honda ATC200 | Note: "Gap 0.028"
1981 Honda GL500 Silver Wing | Note: "Gap 0.028"
1981 Honda XR250R | Note: "Gap 0.028"
1982-1988 Suzuki DR125 | Note: "Gap 0.028"
1982-1983 Suzuki GN125E | Note: "Gap 0.028"
1982-1983 Suzuki GS1100GK | Note: "16 Valve;Gap 0.028"
1982-1983 Yamaha XZ550R Vision | Note: "Gap 0.028"
1983-1986 BMW K100 | Note: "Gap 0.020"
1983-1988 BMW K100RS | Note: "Gap 0.020"
1983 Kawasaki KZ550F Spectre | Note: "Gap 0.028"
1983 Suzuki GR650 Tempter | Note: "Gap 0.028"
1983 Suzuki GS1100ES | Note: "16 Valve;Gap 0.028"
1983 Suzuki GS750ES | Note: "Gap 0.028"
1983 Suzuki SP100 | Note: "Gap 0.028"
1983 Suzuki SP125 | Note: "Gap 0.028"
1983-1984 Suzuki SP250 | Note: "Gap 0.028"
1984-1986 Husqvarna TX510 | Note: "Gap 0.028"
1984 Kawasaki KZ550F LTD Shaft | Note: "Gap 0.028"
1984-1986 Kawasaki ZX900 Ninja | Note: "Gap 0.028"
1985-1988 BMW K100RT | Note: "Gap 0.020"
1985 Husqvarna TC500 | Note: "Gap 0.028"
1985 Kawasaki KLT160 | Note: "Gap 0.028"
1985-1986 Kawasaki ZL900A Eliminator | Note: "Gap 0.028"
1985 Suzuki LT250EF | Note: "Gap 0.028"
1986-1988 Suzuki SP125 | Note: "Gap 0.028"
1985 Yamaha XJ700X Maxim X | Note: "Gap 0.028"
1986-1988 Suzuki DR200 | Note: "Gap 0.028"
1988 Suzuki GN250 | Note: "Gap 0.028"
1986-1988 Suzuki SP200 | Note: "Gap 0.028"
1986-1987 Yamaha TT350 | Note: "Gap 0.028"
1987 Kawasaki ZL1000 Eliminator | Note: "Gap 0.028"
1987-1988 Yamaha BW350 | Note: "Gap 0.024"
1987 Yamaha SRX250 | Note: "Gap 0.024"
1987-1995 Yamaha YFM350ER Moto-4 | Note: "Gap 0.028"
1987-1999 Yamaha YFM350FW Big Bear 4x4 | Note: "Gap 0.028"
1988-1989 BMW K100RS ABS | Note: "Gap 0.020"
1988-1990 KTM 600 MX | Note: "Gap 0.024"
1988 KTM 600 MXC | Note: "Gap 0.024"
1988 Yamaha YFP350 TerraPro | Note: "Gap 0.028"
1989-1999 Kawasaki KLF300 Bayou 4x4 | Note: "KLF300-C;Gap 0.028"
1989-1990 Kawasaki ZX750 Ninja ZX-7 | Note: "Gap 0.028"
1989-1990 KTM 600 DXC | Note: "Gap 0.024"
1991-1999 ATK 350 CC | Note: "Gap 0.025"
1991-1992 BMW K100RS FL | Note: "Gap 0.020"
1991-1992 BMW K100RS FL ABS | Note: "Gap 0.020"
1991-1997 Suzuki GN125E | Note: "Gap 0.026"
1993-2000 ATK 605 CC | Note: "Gap 0.025"
1995 BMW K75 | Note: "Gap 0.020"
1993-2000 Yamaha YFM400F Kodiak 4x4 | Note: "Gap 0.028"
1994 BMW K75A | Note: "Gap 0.020"
1995 BMW K75/3 | Note: "Gap 0.020"
1995-1998 KTM 620 RXC | Note: "Gap 0.024"
1996-1997 Kawasaki ZL600 Eliminator | Note: "Gap 0.028"
1996-1998 KTM 400 RXC | Note: "Gap 0.024"
1996-1998 KTM 620 SX | Note: "Gap 0.024"
1996-1999 Yamaha YFM350U Big Bear 2x4 | Note: "Gap 0.028"
1997-1998 Aprilia Pegaso 650 | Note: "ML;Gap 0.028"
1997 BMW F650ST | Note: "Gap 0.032";Actual OE Manufacturer"
1998-1999 ATK 350 Enduro | Note: "Gap 0.025"
1998-2002 ATK 600 DT | Note: "Gap 0.025"
1998 KTM 400 SX | Note: "Gap 0.024"
1999 BMW F650 SE | Note: "Gap 0.032";Actual OE Manufacturer"
1999 Kawasaki KVF300 Prairie 2x4 | Note: "Gap 0.028"
1999 Kawasaki KVF300 Prairie 4x4 | Note: "Gap 0.028"
2000 Yamaha YFM400A Kodiak | Note: "Gap 0.028"
2001-2003 BMW F650GS ABS | Note: "Gap 0.032";Actual OE Manufacturer"
2003 ATK 500 DT | Note: "Gap 0.025"
2004-2005 Benelli Tornado Tre 900 RS | Note: "Gap 0.020"
2017 Arctic Cat 150 | Note: "Gap 0.028";Actual OE Manufacturer"
2018 Textron Alterra 150 | Note: "Gap 0.028";Actual OE Manufacturer"

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