OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions on Other Engines A different Chonda - Automatic 118cc

I'll mention something that I think, and hope, you already know: you always have a ring spanner holding the adjustment nut from rotating, when you are undoing the lock nut with another ring spanner. Use long ring spanners if you've got them, not short ones. In this case, as always when the locknut has been overtightened, you should remove the pushrod before you apply a lot of torque, so it can't get damaged no matter how hard you work on those two spanners, and writhe and curse while you do it. (Just push the valve down with your thumb and rotate the rocker away from it, then lift out the pushrod.) I can't believe you won't be able to get it off that way, even if you give yourself a hernia in the process. If you still can't move it despite breaking the handles off your longest ring spanners, you may have to use heat, but that is a very strong measure: the whole situation is wet with oil, there's plenty more oil in the sump once a fire starts, and then the fuel tank will blow. Please come back and discuss it in detail before you pick up a torch: if it can't be done safely, it shouldn't be done at all. Personally I can't believe it can't be done pretty easily with long rings and the pushrod removed.