Champion 811 Copper Plus Spark Plug

Description

The Champion 811 Copper Plus Spark Plug is a standard replacement spark plug engineered for dependable performance, reliable heat control, and consistent ignition across a wide range of automotive, motorcycle, snowmobile, marine, and equipment applications. Built with a copper core center electrode, this plug provides increased conductivity and accurate heat range control to support long service life and good overall wear in compatible engines.

As part of the Champion Copper Plus Small Engine line, the Champion 811 is an OE-type replacement plug designed to resist fouling and corrosion while meeting ISO and SAE standards for proven performance. Its non-resistor design, 14 mm thread diameter, 0.5 in reach, and flat seat with crush washer make it a dependable OEM-style replacement for select vintage BMW, Berkeley, Borgward, Bugatti, Delahaye, Facel Vega, Fiat, Ford, Jaguar, Porsche, Triumph, and other classic European applications, as well as many motorcycles, snowmobiles, outboards, and equipment engines.

Pre-gapped to 0.032 in (0.82 mm), the Champion 811 L82C spark plug is built for dependable ignition performance in applications where stable spark delivery, corrosion resistance, and accurate heat control are essential.

Features

• Copper core center electrode for increased conductivity and heat control
• Copper Plus design for dependable performance and durability
• OE-type replacement plug for broad replacement use
• Helps resist fouling for reliable ignition performance
• Superior corrosion resistance
• Built to ISO and SAE standards for proven performance
• Pre-gapped: 0.032 in (0.82 mm)
• Plug Type: L82C
• Thread Diameter: 14.000 mm / 0.551 in
• Reach: 0.5 in
• Seat Type: Flat
• Hex Size: 20.650 mm / 0.813 in
• Resistor Type: No
• Ground Electrode Quantity: 1
• Manufacturer Heat Range: 82
• Center Electrode Tip Material: Copper
• Ground Electrode Core Material: Nickel
• Ground Electrode Tip Material: Nickel
• Ground Electrode Material: Nickel Copper Alloy
• Electrical Terminal Type: Removable Nut
• Center Electrode Design: Standard
• Center Electrode Diameter: 0.1 in
• Classification: Champion Copper Plus Small Engine
• Grade Type: Standard Replacement
• Washer Included: Yes
• Washer Type: Crush
• Installed Height: 2.24 in
• Taper Diameter: 0.25 in
• Indexed: No
• Prop 65: No

Vehicle Fitment

BMW

• 3200 (1961) – 3.2L V8
• 325 (1937–1940)
• 326 (1937–1941)
• 327 (1937–1941)
• 328 (1937–1939)
• 335 (1939–1940)
• 501 (1955–1960) – 2.6L V8
• 501A (1955) – 2.0L L6
• 501B (1955) – 2.0L L6
• 502 (1954–1961) – 2.6L V8
• 502 (1955–1961) – 3.2L V8
• 503 (1956–1960) – 3.2L V8
• 507 (1956–1960) – 3.2L V8
• Isetta (1955–1956) – 0.2L L1 247cc/15cid
• Isetta (1956–1962) – 0.3L L1 298cc/18cid

Berkeley

• 328 (1956–1959) – 0.3L L2 328cc/20cid
• B95 (1960–1961) – 0.7L L2 692cc/42cid
• B105 (1960–1961) – 0.7L L2 692cc/42cid
• QB95 (1960) – 0.7L L2 692cc/43cid
• QB105 (1960) – 0.7L L2 692cc/43cid
• Sports 500 (1958–1959) – 0.5L L3 492cc/30cid

Bond

• Mark B (1953–1954) – 0.2L L1 197cc/12cid
• Mark C (1955–1956) – 0.2L L1 197cc/12cid
• Mark D (1957–1958) – 0.2L L1 197cc/12cid
• Mark E (1959–1960) – 0.2L L1 197cc/12cid

Borgward

• Hansa 1500 (1949–1955) – 1.5L L4 1498cc/91cid
• Hansa 1500 (1952–1955) – 1.8L L4 1757cc/107cid
• Hansa 1800 (1949–1955) – 1.8L L4 1757cc/107cid
• Hansa 2400 (1949–1955) – 2.3L L6 2337cc/143cid
• Isabella (1954–1961) – 1.5L L4 1493cc

Bugatti

• Type 57 (1934–1940)
• Type 57C (1934–1940)
• Type 57SC (1937–1938)

Delahaye

• 135 (1950–1954) – 3.6L L6 3557cc/217cid
• 135M (1950–1954) – 3.6L L6 3557cc/217cid
• 175 (1950) – 4.5L L6 4453cc/272cid
• 178 (1950) – 4.5L L6 4453cc/272cid
• 180 (1950) – 4.5L L6 4453cc/272cid
• 235 (1951–1954) – 3.6L L6 3557cc/217cid

Facel Vega

• Facel III (1963–1964) – 1.8L L4 1780cc/109cid

Fiat

• 500 (1956) – 0.6L L4 570cc/35cid
• 500 (1957–1961) – 0.5L L2 479cc/29cid
• 500 (1959–1961) – 0.5L L2 499cc/31cid
• 600 (1961) – 0.6L L4 633cc/39cid
• 1100D (1963) – 1.2L L4 1221cc/75cid
• 1200 (1958–1963) – 1.2L L4 1221cc/75cid
• 1400 (1956) – 1.4L L4 1395cc/85cid
• 1500 (1959–1960) – 1.5L L4 1491cc/91cid
• 1900 (1956) – 1.9L L4 1901cc/116cid
• 2100 (1960–1961) – 2.1L L6 2054cc/125cid

Ford

• Taunus (1955–1962) – 1.5L L4 1498cc/92cid
• Taunus (1958–1962) – 1.7L L4 1698cc/104cid

Goggomobil

• T700 Royal (1959–1961) – 0.7L H2 682cc/42cid

Goliath

• 1100 (1957–1961) – 1.1L H4 1094cc/67cid
• Tiger (1958–1961) – 1.1L H4 1094cc/67cid

HRG

• 1100 (1946–1956) – 1.1L L4 1074cc/66cid
• 1500 (1946–1956) – 1.5L L4 1497cc
• 1500 (1950–1956) – 1.5L L4 1496cc/91cid

Hansa

• 1100 (1961) – 1.1L H4 1094cc/67cid

Healey

• Healey (1950–1954) – 3.0L L6 2993cc/182cid

Jaguar

• 240 (1967) – 2.5L L6 2483cc/152cid
• Mark 2 (1960–1967) – 2.5L L6 2483cc/152cid
• Mark VII (1951–1957) – 3.4L L6 3442cc/210cid
• Mark VII (1955)
• Mark VIII (1957–1958) – 3.4L L6 3442cc/210cid
• Mark IX (1959–1961) – 3.4L L6 3442cc/210cid
• XK120 (1949–1954) – 3.4L L6 3442cc/210cid
• XK140 (1955–1957) – 3.4L L6 3442cc/210cid
• XK150 (1958–1961) – 3.4L L6 3442cc/210cid

Jowett

• Jupiter (1950–1954) – 1.5L H4 1485cc/91cid

Lloyd

• Alexander (1957–1958) – 0.6L L2 597cc/36cid
• Alexander (1959–1961) – 0.3L L2 297cc/36cid
• Arabella (1960–1961) – 0.9L L4 897cc/55cid
• L/600 (1956–1957) – 0.6L L2 597cc/36cid

Mercedes-Benz

• 540 K (1936–1939)

Porsche

• 356 (1948–1954) – 1.1L H4 1086cc/66cid
• 356 (1950–1955) – 1.5L H4 1488cc/91cid
• 356 (1951–1955) – 1.3L H4 1286cc/78cid
• 356 (1953–1954) – 1.3L H4 1286cc/79cid
• 356A (1955–1957) – 1.3L H4 1286cc/78cid
• 356A (1956–1957) – 1.3L H4 1286cc/79cid
• 356A (1955–1959) – 1.5L H4 1498cc/92cid
• 356A (1955–1959) – 1.6L H4 1582cc/97cid
• 356A (1958–1959) – 1.6L H4 1587cc/97cid
• 356B (1960–1963) – 1.6L H4 1582cc/97cid

Renault

• 4CV (1961–1962) – 0.7L L4 747cc/46cid

Riley

• 1 1/2 Litre (1946–1956) – 1.5L L4 1496cc/91cid

Singer

• Nine (1948–1952) – 1.1L L4 1074cc/66cid

Skoda

• Felicia (1960–1965) – 1.1L L4 1089cc/66cid
• Felicia (1960–1965) – 1.2L L4 1221cc/75cid

Standard

• Sportsman (1956–1958) – 2.1L L4 2088cc/127cid
• Vanguard (1959–1960) – 2.1L L4 2088cc/127cid
• Vanguard (1961–1963) – 2.0L L6 1998cc/122cid

Swallow

• Doretti (1954–1955) – 2.0L L4 1991cc/121cid

Triumph

• TR2 (1953–1956) – 2.0L L4 1991cc/122cid

Powersports Fitment

Aprilia

• Rally 50 (Air Cooled) (2004)

Honda

• EZ90 Cub (1991–1996)

Husqvarna

• CR50 (1999–2002)
• SM 50 (2011–2012)

Indian

• 741 (1941–1943)
• Chief (1936–1953)
• Scout (1936–1937)
• Sport Scout (1936–1942)

John Deere

• 400 (1972–1973)
• 500 (1972–1973)
• 600 (1973)

KTM

• 50 SXR Pro Jr (1996)
• 50 SXR Pro Sr (1996)

Kawasaki

• C2SS (1967–1969)
• C2TR (1967–1969)
• G3TR (1969–1970)
• G4TR (1970–1975)
• H2 Mach IV (1972–1975)
• KD80 (1975–1987)
• KD100M (1976–1979)
• KE100 (1976–1977)
• KH100 (1976–1977)
• KM100 (1976–1981)
• KT250 (1975–1976)
• KV75 (1976–1980)
• KV100 (1976)
• KX80 (1979)

LEM

• Beetlebug (2005)
• Cayman LC (2003–2004)
• Cayman S6 (2003–2005)
• Condor S6 (2003–2007)
• DX1 (2013)
• DX2 (2011–2013)
• DX2 Beta (2013)
• DX2 J Beta (2012)
• DX2 Junior (2011–2012)
• DX2 SR (2011)
• DX3 (2011–2013)
• DX3 Beta (2013)
• DX3 J Beta (2013)
• DX3 Junior (2011–2012)
• DX3 SR (2011)
• LX1 (2002–2003)
• LX2 (1998–2005)
• LX2 Factory (1999–2001)
• LX2 Racer (2001–2003)
• LX2 SR (2003–2005)
• LX2 Sport (2001–2005)
• LX2 Super (1999–2002)
• LX3 (1998–2002)
• LX3 Factory (1999–2001)
• LX3 Racer (2001–2004)
• LX3 Sport (2002–2005)
• LX3 Super (1999–2002)
• NX3 (2008–2011)

Moto-Ski

• Cadet 250 (1973–1975)
• F-440 (1973)
• Nuvik (1977–1979)
• Zephyr 340 (1972–1973)

Ski-Doo

• Alpine 370 (1969)
• Alpine 399ER (1970)
• Alpine 399R (1970)
• Elan 250 Deluxe (1974–1979)
• Elan 250T (1973–1974)
• Elan SS (1973–1975)
• Nordic 371 (1969)
• Nordic 399 (1970)
• Nordic 399E (1970)
• Olympique 300T (1975)
• Olympique 340 (1973–1979)
• Olympique 340E (1973–1979)
• Olympique 399 (1970)
• Olympique Plus (1976)
• Super 370 (1968)
• Super Alpine (1968)

Sno-Jet

• SST 433 (1972)
• Star-Jet +2 338 (1972)
• Star-Jet 338 (1971–1973)
• Super-Jet 433 (1972)
• Whisper Jet (1973–1975)

Suzuki

• 292 Nomad (1974)
• 340 Nomad (1974–1975)
• DS185 (1978)
• GT185 (1973–1977)
• GT500 (1976–1977)
• RM60 (1980–1983)
• RV90 (1973–1977)
• RV125 (1973–1977)
• SM11K (1973)
• T350 (1971–1972)
• T500 Titan (1968–1975)
• TC185 (1974–1977)
• TM75 (1974–1976)
• TS50 (1971–1974)
• TS100 (1973–1977)
• TS125 (1971–1977)
• XR400 (1974–1975)
• XR440 (1974–1975)
• Yukon 400 (1974–1975)

Yamaha

• DT100 (1974–1975)
• DT80 (1981–1983)
• EL433 (1973)
• ET250 (1977–1981)
• EW433 (1972–1973)
• GP246 (1974)
• GS340 (1976–1977)
• GT80 (1974–1980)
• GTMX (1973–1979)
• JT1 (1971)
• JT1L (1971)
• JT2 (1972)
• JT2MX (1972)
• LS2 (1972)
• MX80 (1980–1982)
• RD250 (1973–1975)
• RD60 (1973–1975)
• SH50 Razz (1987–2001)
• SJ700 Super Jet (1997–2017)
• SL338 (1969–1974)
• SL351 (1968)
• SL396 (1969)
• SL433 (1972–1974)
• SW396 (1970)
• SW433 (1971–1973)
• TL433F (1974)
• WJ500 WaveJammer (1987–1990)
• WR500 WaveRunner (1987–1993)
• YA6 (1966)
• YCS1 (1968)
• YDS5 (1967)
• YG1 (1963–1966)
• YJ2 (1964–1965)
• YL1 (1966–1967)
• YL2 (1967)
• YR2 (1968)
• YZ80 (1974–1975)

Equipment and Small Engine Fitment

Equipment / Industrial Applications

• Blaw-Knox – All Model(s)
• Byers – Base
• Cockshutt – 1250 (1966)
• Craftsman – Base / GT16 / 795451 / 79623 / 79624
• Deines – Base
• Echo – SC2170 / SC3265
• Flymo – Base
• FMC – Base
• General Equipment – 82005
• Generac – Various Model
• Gorman-Rupp – 82003
• Gravely – 5000 Watt
• Honda – E2000
• Hoffco – Base
• Husqvarna – A100 / G90 / Many Model / SM150
• Hydra Mac – 5C / Mini Mac 5
• Lancaster – Six-10 / Eight-20
• Lauson – Base
• Mano Mfg. Co. – All Model(s)
• Miller Electric – All Model(s) / Roughneck 2
• Minarelli – Base
• Murray – Base
• Noma – Base
• NorthStar – Base
• Pacific Pumper – MK-26
• Robin – Base / EC03ER / EC04ER / EC08 / FB04 / FH03 / FH03-3A / FH04 / FH04-2A / FL40 / NF03 / NF03-2AD / NF04 / NF04-SA/SB / NB03 / NB03-2D / NB04 / NB04-2D/E/F / NB024 / NB034 / NB30 / NB40 / PKV101 / PKX201 / PKX201H / PKX201ST / PKX201T / PKX301 / PKX301ST / PS04 / RS03 / RS03-3A / RS03-4 / RS04 / RS04-2A / RS04-3 / RS301 / RS331 / RS350 / RS412 / RS450 / SDE04 / SD04 / SD04-2B / SL550 / SL550S
• Sachs – Base
• Solo – Base / Pro-Mower 549, 580 / Piano-581 Mower
• Stow – All Model(s)
• Tecumseh – Base
• Wajax – MK-26 / Typhon Ice Pump
• Waterous – Base
• Wink – All Model(s)
• Weed Eater – 1000 / Base
• Winco – Base

Additional Engine / Model Fitment

• 61001
• 61002
• 61010
• 61012
• 82001
• 82002
• 82003
• 82006
• 82038
• 82039
• 6LEG – 6-cylinder
• EC08
• EY15-2
• EY18-3
• EY25
• EY27-2
• G1
• G26
• G35
• G49
• G-260
• GA50
• HH130
• HH140
• HH150
• HH160
• L35
• L77
• LV298
• MM25
• MM40
• Model 122
• Model 124A
• Model 610
• Model 820
• OH120
• OH160
• P3A
• P3N
• P4
• P4A
• P6
• P6/80
• SB151
• ST-96
• ST151
• Stamo SL-2
• V49
• YP10G
• 370cc

Marine and Outboard Fitment

Tohatsu

• 9.9D / 9.9D EF / 9.9D EP / 9.9D2 / 9.9D2 EF / 9.9D2 EP – 0.2L 2 / L2 247cc/15.1cid
• 15D / 15D EF / 15D EP / 15D2 / 15D2 EF / 15D2 EP – 0.2L 2 / L2 247cc/15.1cid
• 18E / 18E EF / 18E EP / 18E2 / 18E2 EF / 18E2 EP – 0.3L 2 / L2 294cc/17.9cid
• 18EP – 0.3L L2 294cc/17.9cid
• M9.9B / M9.9B2
• M9.9C / M9.9C EF – 0.2L 2 247cc/15.1cid
• M9.9D / M9.9D EF / M9.9D EP / M9.9D2 / M9.9D2 EF / M9.9D2 EP – 0.2L 2 247cc/15.1cid
• M12B
• M12C
• M13
• M15A
• M15B / M15B2
• M15C / M15C EF / M15C EP – 0.2L 2 247cc/15.1cid
• M15D / M15D EF / M15D EP / M15D2 / M15D2 EF / M15D2 EP – 0.2L 2 247cc/15.1cid
• M16
• M18A
• M18C / M18C2
• M18D / M18D EF / M18D EP – 0.3L 2 294cc/17.9cid
• M18E / M18E EF / M18E EP / M18E2 / M18E2 EF / M18E2 EP – 0.3L 2 294cc/17.9cid
• M20
• M25C / M25C2 / M25C3 / M25C3 EF / M25C3 EP / M25C4 – 0.4L 2 428.5–430cc/26.1–26.24cid
• M25D
• M30A / M30A2 / M30A3 / M30A4 / M30A4 EF / M30A4 EP – 0.4L 2 428.5–430cc/26.148674–26.2402cid
• M40C / M40C EF / M40C EP – 0.5L 2 493cc/30.0847cid
• M40D / M40DEF / M40DEFTO / M40DEPTO – 0.7L 2 / L3 697cc/42.53cid
• M40D2 / M40D2 EF / M40D2 EFO / M40D2 EPO / M40D2 EFTO / M40D2 EPTO – 0.7L / 0.9L L3 697–897cc/42.53–54.7383cid
• M40DEFO / M40DEPO – 0.7L 2 697cc/42.53cid
• NS 40D2 – 0.7L L3 697cc/42.5335cid
• 40 TLDI – L3
• Base – 2 / L3

Mariner

• 3.5 M 642
• 3.5 ML 642
• 4A / 4A (M) / 4A (ML) / 4A 6E0
• 5A (M) / 5A (ML)
• 5B
• 5C / 5C (M) / 5C (ML)
• 6B 678
• 6C / 6C (M) / 6C (ML)
• 6D / 6D (M) / 6D (ML)
• 8 Marathon
• 8A
• 8B / 8B (M) / 8B (ML)
• 8C / 8C (M) / 8C (ML) / 8C (MUL)
• 9.9C / 9.9C E / 9.9C EL / 9.9C E 682 / 9.9C EL 682 / 9.9C M / 9.9C ML / 9.9C M 682 / 9.9C ML 682
• 15A / 15A (M) / 15A (ML)
• 15B
• 15C / 15C (E) / 15C (EL) / 15C (M) / 15C (ML)
• 20C (E) / 20C (EL) / 20C (ML)
• 25A (E) / 25A (EL) / 25A (ML)
• 25C (E) / 25C (EL) / 25C (ML)
• 28 (E) / 28 (EL) / 28 (M) / 28 (ML)
• 30A / 30A (E) / 30A (EL) / 30A (M) / 30A (ML)
• 48 / 48 (M) / 48 (ML)
• 500M
• 664
• K15 / K15 (M) / K15 (ML) / K15C
• K25 / K25 (M) / K25 (ML)
• K40 / K40 (M) / K40 (ML)
• M55 663
• Marathon
• Marathon 8
• Marathon 15
• Marathon 30
• Sportjet
• W8 / W8 (M) / W8 (ML)
• W15 / W15 684 / W15B
• W25 / W25 (M) / W25 (ML) / W25 648 / W25 Marathon (M) / W25 Marathon (ML)
• W30
• W40
• W48 / W48 (M) / W48 (ML)
• W55 (ML)

Mercury Marine

• 20
• 25
• 25 Lightning – L3
• 30 Lightning – 0.4L 430cc/26.2402cid
• 35
• 65 – 4
• 95
• 110
• 200
• 350
• 500S
• 650S
• 650SS – 4
• 950
• 1100
• 9.8
• Base
• SportJet
• Sportjet 95Xr
• Sportjet 120
• Sportjet 120Xr

Evinrude

• Backtroller – V4
• Base – 2 / 4 / L3 / V4 / V8 / —
• BE10RELEUS – 2
• BE15RELEUC – 2
• BE35AREEA – L3
• BE35ARSIB – L3
• BE35ARSSM – L3
• BE35KEEM – L3
• BE35KSIE – L3
• BE35KSSB – L3
• BE250CXECB – V8
• BE250TXECB – V8
• CV4 – 4
• E10EECC / E10EEUS / E10ELECC / E10ELEUS / E10RECC / E10RELECC / E10RELEUS / E10REUS / E10RLECC / E10RLEUS / E10SELECC / E10SELEUS – 2
• E115TSLECM / E115TSXECM / XE115HLECM / XE115HXECM – 4
• E15EECR / E15EEUC / E15ELEUC / E15RECR / E15RELECR / E15RELEUC / E15REUC / E15RLECR / E15RLEUC / E15WRLEES / E15WRLSIR / E15WRSIR / E15WRSSC – 2 / —
• E90TSLECM / XE90TSLECM – 4
• HE15RPLW / HE15RPW – 2
• Jet / Jet CV4 – 2 / 4 / —
• SE10RPY / SE10RPLT / SE10RPLY / SE10RPT – 2
• SE15BAECA / SE15BAEEM / SE15BAEUR / SE15BASIR / SE15BASSB / SE15RPC / SE15RPLC / SE15RPLW / SE15RPW – 2 / —

Johnson

• Backtroller – V4
• Base – 2 / V4 / —
• CV4 – 4
• Jet / Jet CV4 – 2 / 4 / —

Yamaha

• 6
• 9.9
• 9.9D
• 9.9MLH – 0.2L 246cc/15.01cid
• 9.9MSH – 0.2L 246cc/15.01cid / —
• 15
• 15MLH – 0.2L 246cc/15.01cid
• 15MSH – 0.2L 246cc/15.01cid / —
• 20
• 25
• 25EH / 25ELH / 25ELR / 25ER / 25ESH / 25ESR / 25MH / 25MLH – 0.4L 395cc/24.1cid
• 28
• 40
• C40
• F6
• T8 – L2 / —
• V150 – 2.6L V6
• 150SW
• Base – 2 / L3 / —
• DX150
• L150
• P150

Volvo Penta

• 35
• 39
• 40
• 50
• 50A
• 51
• 60
• 360
• B18A – 1.8L L4 1780cc/108.6223cid
• B18C – 1.8L L4 1780cc/108.6223cid
• BB30B
• U22

Suzuki Marine

• DT9.9C – 2
• DT15C – 2
• DT20
• DT25 – 2 / —
• DT25C – L3
• DT30 – 0.5L 499cc/30.5cid / —
• DT30C – L3

Chrysler / Chrysler Volvo / Other Marine

• Chrysler – Base / M-183B / M122A
• Chrysler Volvo – 110 / 115 / 120 / 130 / 165 / 170
• Clinton – W-100 / W-140 / W-250
• Craftsman – Gamefisher 225.582500 / Gamefisher 225.582590
• Palmer-Greenwich – PB-V-215
• Sears – 582500 / 582591
• Sea King – Base
• Solo – Base
• Spirit – Base
• Star – Base
• Tohatsu-compatible Base entries
• Valmet – Sailboat Auxiliary – V8
• Viking – Base
• Wizard – Base
• Alsport – Base
• Carnits – Base
• Jet Star – Base
• Mid-Jet – M-4
• OMC – Base

Additional Engine Model Fitment

• 61012
• 82038
• 61001
• 82006
• 82039
• 82003
• 61002
• 82002
• 61010
• 82001
• EC08
• G1
• G26
• G35
• G49
• GA50
• HH130
• HH140
• HH150
• HH160
• L77
• MM40
• Model 122
• Model 124A
• Model 610
• Model 820
• OH120
• OH160
• P3N
• P4A
• P6
• P6/80
• SB151
• ST151
• YP10G