Chainsaw Repair

Aha,that explains it .Often times in general conversations on the subject of port timing I use reference to the whell I use which is a straight 360 degree type .Others must use the type Kevin just put on which is a 180 left or right rotation which is used for cam timing on 4 cycles usually .

Kind of comical now that I know because I thought others were nuts with some of their figures and likewise they  to I .

Obvious either type will work as long as you know which is referenced to .--ya gottsta have the rest of the story --

You can just Google "Degree Wheel" and download all the 8" paper degree wheels you want.

If they print too small like that you can copy and resize larger with your printer. Worked out pretty good.