* Thread Diameter: 10mm
* Thread Length: 12.7mm
* Reach: 19mm
* Hex Size: 16mm
* Heat Range: 8
* Terminal Type: Screw-on
* Electrode Gap: 0.7-0.8mm
It's important to use the recommended spark plug or its equivalent to ensure optimal performance and longevity of your Malossi 172 motorcycle engine. Using an incorrect spark plug can lead to engine problems such as misfiring, rough idling, or even damage to the engine.