Lawnmowers

JET FAST

Briggs & Stratton Eng.

Model Standard Plug (Standard) Standard Plug (Resistor) Gap (mm)
W20M-U 0.8

HR17, HR21, HR21-5

Model Standard Plug (Standard) Standard Plug (Resistor) Gap (mm)
W20M-U 0.8

HR21 with CDI Ign.

Model Standard Plug (Standard) Standard Plug (Resistor) Gap (mm)
W20MP-U10 1.0

HR21KS, HRA21

Model Standard Plug (Standard) Standard Plug (Resistor) Gap (mm)
W20M-U 0.8

Yamaha Eng. (2-Stroke)

Model Standard Plug (Standard) Standard Plug (Resistor) Gap (mm)
W20FS-U/TR20 0.8

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