Scooter Spark Plug, NGK BR7ES

NGK BR7ES Scooter Spark Plug for 125cc to 169cc Engines

The NGK BR7ES is a dependable spark plug for scooters, built to support smoother running in a range of 125cc, 150cc, and 169cc engines. Its job is to deliver a steady spark so the fuel mixture burns properly, which is central to how the engine works. It suits a number of engine codes, so it works across many scooter models. Like other scooter spark plugs, it is straightforward to swap in, which helps your vehicle keep running efficiently.

Specifications

• Thread Size: 14mm
• Reach: 19mm (3/4 inch)
• Hex Size: 20.6mm (13/16 inch)
• Gap: 0.8mm (.032 inch)
• Heat Range: 7
• Terminal Nut: Removable
• Fits: 157QMJ-based 125cc, 150cc and 169cc GY6 scooter engines (engine codes listed in the compatibility text)

Signs It's Time for a New Plug

Swapping out the spark plug on a regular basis helps keep the engine performing well. Common warning signs include difficulty starting, weaker acceleration, and falling fuel economy. If you see any of these, a new plug may be needed to bring the engine back to normal operation.

Fitment

Fits:

• 157QMJ-based 125cc / 150cc / 169cc engines (157QMJ, 161QMK, 152QMI, 1P61QMK, YN1P57QMJ, 1P52FMI, 154FMI, JJ157QMJ, 1P57QMJ, BN157QMJ, BN161QMK-A)
• Other QMJ, QMK and QMI engines (engine code contains "QM" or "FM")

How to choose: Compare the engine code on your motor against the list above. If the code includes "QM" or "FM" and your existing plug has a 14mm thread, 19mm reach, and 0.8mm gap, this plug should fit.

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