NGK SPARK PLUGS BPR7HS 6422 Spark Plug 10 pack

OVERVIEW

The NGK BPR7HS spark plug delivers precise ignition timing and consistent combustion for small-displacement motorcycles, ATVs, and entry-level utility vehicles. Constructed with a nickel alloy ground electrode backed by high alumina ceramic insulation, this plug maintains stable voltage delivery across demanding riding conditions. It functions as a direct replacement for OEM ignition elements on single-cylinder platforms and vintage European sportbikes.

ENGINEERING & PERFORMANCE

Engineered with a deep-seated copper core, this spark plug widens its thermal operating window to handle heavy sustained loads without triggering preignition. The expanded heat range actively combats coolant-induced fouling while keeping combustion chambers clean during normal operation. High alumina ceramics provide superior electrical isolation and rapid heat dissipation, ensuring crisp spark energy reaches the cylinder gap reliably. These material choices extend service intervals and maintain consistent firing characteristics as engine temperatures fluctuate.

KEY FEATURES

• Deep-seated copper core expands thermal operating range
• High alumina ceramic insulator improves heat dissipation and electrical insulation
• Nickel alloy electrode engineered for extended combustion system longevity
• BPR7HS geometric specification matches OEM thread reach and hex dimensions
• Wide heat range prevents both fouling and overheating preignition damage
• Manufactured by NGK for precision compatibility across diverse riding platforms
• Supplied in a 10-pack to streamline long-term maintenance cycles
• Optimized for single-cylinder ATV, trail bike, and classic motorcycle engines

TECHNICAL SPECIFICATIONS

• Brand: NGK
• Part Name: BPR7HS Spark Plug (Item #6422)
• Component Type: Spark Plug
• Core Material: Deep-Seated Copper Wire
• Insulator Composition: High Alumina Ceramic
• Electrode Composition: Nickel Alloy Tip
• Supported Years: 1979–2008
• Compatible Trims: Small displacement ATVs, dirt bikes, and vintage European motorcycles

FITMENT

• Suzuki LT 80 QuadSport (2008)
• Kawasaki KFX 80 (2003–2006)
• Polaris Predator 90 (2003)
• Aeon Cobra 50 (2003)
• Aeon Cobra 100 (2002)
• Polaris Sportsman 90 (2001)
• Yamaha CY 50 Jog (1994)
• Ducati 750 Sport (1988–1990)
• Ducati Indiana 750 (1987)
• Ducati Mille 1000 S2 (1984–1985)
• Ducati Pantah 350 XL (1982–1983)
• Ducati 600 SL Pantah (1981)
• Ducati Pantah 500 SL (1979–1983)

WHY RIDERS CHOOSE THIS

Riders select the NGK BPR7HS because it reliably clears carbon buildup and resists oil fouling across varying engine loads. The copper-core construction stabilizes thermal dynamics, which keeps ignition timing precise even when cylinderhead temperatures swing dramatically. Reinforced ceramic insulation isolates high-voltage paths effectively, reducing ignition misfires and maintaining smooth throttle response. This combination of calibrated heat dissipation and durable materials ensures dependable engine starts, optimal fuel combustion, and steady electrical distribution throughout the operational life of the machine.