Resized to fit NGK DCPR 7E and 8E plugs as used in Rotax 912 UL and ULS
Need 6mmx40 bolt and 6mm nut
Superglue the nut into the body and the knob to the bolt
Don't lose the loose pushblock
Knob resized from here; https://www.thingiverse.com/thing:4539612
Thanks TheEnarki for the STEP file! :-)
SparkPlugGapTool-PushPiece.stl | 79.4KB | |
sparkpluggaptool_v2.stl | 131.0KB | |
Spark_Plug_Gapper-Knob.stl | 38.6KB |