Description
The Champion Spark Plug 853-1 (CJ7Y) is a dependable OE-type replacement spark plug designed for consistent ignition performance and long service life. Its copper core center electrode helps improve conductivity and heat control, supporting reliable starts, reduced fouling, and steady wear in compatible small engine and powersports applications.
Built to ISO and SAE standards, this Champion Copper Plus plug is designed for standard replacement use in applications requiring a non-resistor plug with a flat seat and crush washer. The removable nut terminal, J gap ground electrode design, and copper center electrode help support dependable ignition performance in compatible equipment.
Features
- OE-type replacement spark plug
- Champion Copper Plus Small Engine classification
- Dependable performance and durability
- Copper core center electrode for improved conductivity and heat control
- Resists fouling
- Superior corrosion resistance
- Built to ISO and SAE standards for proven performance
- Plug type: CJ7Y
- Part description: Spark Plug
- Grade type: Standard Replacement
- Center electrode tip material: Copper
- Center electrode design: Standard
- Ground electrode quantity: 1
- Ground electrode tip material: Nickel
- Ground electrode tip design: J Gap
- Ground electrode core material: Nickel
- Pre-gap size: 0.020 in. / 0.50 mm
- Hex size: 0.748 in. / 19.000 mm
- Insulator height: 0.06 in.
- Manufacturer heat range: 7
- Seat type: Flat
- Reach: 0.375 in.
- Thread diameter: 0.551 in. / 14.000 mm
- Resistor type: No
- Electrical terminal type: Removable Nut
- Hex type: Hex
- Washer included: Yes
- Washer type: Crush
- Indexed: No
- Subject to Prop 65: No
Vehicle Fitment
Powersports, Motorcycle, ATV, Snowmobile, and Personal Watercraft Fitment
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E-TON Rascal 40 — 2000-2001
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E-TON Viper Jr. — 2002-2004