Water-cooled 2-cycle spark plug (20.8 mm) replacement work.(can also be used on 20.6 mm.) Full length 170 mm, shorter and easier to use.Convenient for car types where super plug top part is narrow, or where socket type plug wrench cannot be used.
In the case of a two-stroke water-cooled motorcycle, since the space between the tank and the head is narrow, it is impossible to replace the plug unless it is a genuine tool or this. Accuracy is sufficient, so you can use with confidence.