Champion 686 - Racing™ Spark Plug
$439
MSRP: $9.77
Save: $5.38
In stock
limited availability at this price!
Pay over 3-12 months with 
. Learn more
. Learn more
CHAMPION part description
Product Description
Spark Plug C57 Carton of 4
Application Summary
Champion Race Plug
Features & Benefits
- Exceptional combustion and strength
- Ceramic insulator resists dielectric puncture
- Designed to withstand extreme operating temperatures and pressures
- Correct heat range is critical in maintaining peak performance throughout the race
Product Attributes
| Ground Electrode Tip Design | Fine Wire J Gap |
| Ground Electrode Core Material | Nickel |
| Washer Included | Yes |
| Electrical Terminal Type | Non-Removable Nut |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | 0.025 IN |
| Ground Electrode Quantity | 1 |
| Hex Size | 0.625 IN |
| Manufacturer Heat Range | 57 |
| Seat Type | Flat |
| Reach | 0.75 IN |
| Thread Diameter | 0.551 IN |
| Resistor Type | No |
| 9507 | Hex |
| 9745 | Crush |
| 9746 | No |
| Center Electrode Diameter (inch) | 0.052 IN |
| Classification | Champion Racing Plugs |
| Gap Style | Fine Wire J Gap |
| Ground Electrode Material | Nickel Copper Alloy |
| Part Description | Spark Plug |
| Plug Type | C57 |
Additional Information
| Country of Origin (Primary) | MX |
| Harmonized Tariff Code (Schedule B) | 8511100000 |
| Harmonized Tariff Code (HTS) | 8511100000 |
| UPC | 00037551005666 |
| VMRS Code | 033003005 |
Part Interchanges
- Champion Spark Plug C57
- DENSO W31ESU
- NGK B9EG
- NGK R5671A-10
- ACDelco S40XL
- ACDelco S40XLR
- Prestolite CR56869
- Motorcraft AG501
- Motorcraft AG501X
- Autolite AR2592
- Autolite AR3932
- Bosch F09CS
- Champion Spark Plug N1
- Champion Spark Plug N57
- Champion Spark Plug N59G
- Champion Spark Plug N84
- Champion Spark Plug N84G
- Champion Spark Plug QN1
- Autolite 2611
- NGK B10ES
- NGK R5671A10
- DENSO 4062
CHAMPION 686 Cross Reference
We have 3 alternatives for the 686 by CHAMPION:
Fits Vehicles
- Sno-Jet SST 440 (1973-1976)
- Arctic Cat Puma 440 (1971-1973)
- Arctic Cat Panther 440 (1971-1973)
- Yamaha TZ125 (1980)
- Suzuki RL250 (1977)
- KTM 150 XC (2010-2014)
- KTM 150 SX (2008-2016)
- KTM 50 SX Mini (2008)
- Piaggio Typhoon (2005, 2007)
- KTM 50 SX Pro Sr LC (2004-2006)
- LEM R2 (2003)
- LEM R3 (2003)
- KTM 50 SX Pro Jr LC (2003-2007)
- ATK 50 MXLQ (2003)
- Gas Gas SM 50 (2002-2005)
- TM MX85 (17/14) (2001-2003)
- TM MX100 (2001-2003)
- LEM LX4 (1999-2006)
- Yamaha MSRX700 Mountain SRX 700 (1998)
- Yamaha SRX700 (1998-2002)
- KTM 65 SX (1998-2001)
- KTM 125 Sting (1998)
- Ski-Doo Mach Z (1996-1999)
- TM MX125 (1995-1997)
- TM MX80 (1995-2000)
- TM 125E (1995-1997)
- Kawasaki KX100 (1995-1998)
- Yamaha EX570SX Exciter II SX (1993)
- Yamaha EX570ST Exciter II ST (1993)
- Ski-Doo Formula Mach Z (1993-1995)
- KTM 500 SX (1992-1993)
- KTM 125 SX (1992-2005)
- Yamaha EX570E Exciter II LE (1991-1993)
- Yamaha EX570H High Altitude (1990)
- Yamaha EX570E Exciter LE (1990)
- KTM 250 EGS (1990-1999)
- Husqvarna WMX 125 (1990)
- KTM 125 EXC (1989, 1994-1997)
- KTM 350 EXC (1989-1991)
- KTM 250 DXC (1989-1991)
- Yamaha EX570E Exciter Deluxe (1988-1989)
- KTM 300 MXC (1986, 1990-1992)
- Yamaha YZ80 (1984-2001)
- KTM 250 MXC (1984-1988)
- KTM 125 MX (1984-1991)
- Kawasaki KX125 (1983-2005)
- Yamaha YZ100 (1982-1983)
- Husqvarna XC125 (1982-1983, 1985-1986)
- Yamaha TZ250 (1980-1981)
- Suzuki RS250 (1980-1981)
- Yamaha IT175 (1979-1983)
- Yamaha SR433 (1978)
- Yamaha YZ125 (1977-1981, 1996-2005)
- Suzuki RM100 (1976-1981)
- Yamaha SR643 (1975)
- Yamaha SR292 (1975)
- Suzuki RM125 (1975-2007)
- Yamaha RT2 (1973)
- Yamaha EW643 (1973)
- Yamaha ATMX (1973)
- Yamaha AT2M (1972)
- Yamaha TR3 (1972)
- Yamaha AT1M (1970-1971)
- Yamaha SS338 (1969)
California Proposition 65 Warning
California Proposition 65 Warning
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. (Read more)
Don't know your part number?
Take a photo and we'll identify it!
