1980-1981 Honda Odyssey FL250 Shop Manual, Page 34Get this manual
8 ENGINE
CD Remove the recoil starter a.nd the starter puUey
Connect the black lead to the test light lead and the other test liglht lead to the positive battery terminal, and ground the negative terminaL
Turning the rotor ctockwise, the light should become dim when the "IF" mark and the matching mark align
To adjust, slightly loosen screw (A)" move rotating
plate in e;ither direction using standard screwdriver inserted in the cutout (8) and retighten screw (A) where the test light starts to dim