NGK BPR7HS Scooter Spark Plug #6422 for 2-Stroke 50cc-110cc

NGK BPR7HS Spark Plug for 2-Stroke Scooters and ATVs

The NGK BPR7HS is a dependable spark plug built for 2-stroke engines between 50cc and 110cc, such as those found in scooters and ATVs. Keeping the plug in good condition helps the engine perform well and start consistently. Its copper core supports strong ignition and good heat handling, so your engine stays smooth. This plug is among the popular scooter spark plugs for city riding, where slow, stop-and-go running is typical.

Construction and Features

The core is made from 98% pure copper, which delivers dependable ignition and steady heat control. Its projected insulator tip works to reduce carbon deposits during low-speed travel, which supports overall performance. A built-in 5k Ohm resistor is also included to lower electromagnetic interference with electronic components.

When to Replace

Checking the spark plug on a regular basis helps keep the engine running efficiently. Watch for wear or carbon build-up, particularly if you notice hard starting or a drop in performance. Swapping the plug is a simple job and can noticeably sharpen engine response and reliability.

Specifications

• Material: 98% pure copper core
• Size: Thread 14mm, Reach 12.7mm (1/2"), Hex 20.6mm (13/16")
• Heat Range: 7
• Resistor: 5k Ohm
• Insulator: Alumina silicate ceramic
• Plating: Trivalent metal
• Fits: Genuine Buddy 50 and Genuine Roughhouse 50 (2-stroke cylinder E02)

Fitment

Compatible with:

• Genuine Buddy 50
• Genuine Roughhouse 50

How to choose: Select this plug when your engine specifies an NGK BPR7HS, with a 14mm thread, 12.7mm (1/2") reach and 20.6mm (13/16") hex.

Where it goes: part #14 on the cylinder diagram for the Buddy 50; part #14 on the cylinder diagram for the Roughhouse 50.

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