Re: Surging only at full throttle
Posted: Fri Aug 09, 2013 3:05 pm
Problem solved! thanks to Everyone for the suggestions. It turned out to be both the carb AND the governor. This morning I cracked open the carb again and sure enough, those tiny holes in the idle circuit were plugged up! Had to jigger some copper wire around in there and eventually they cleared out. That solved the low idle problem (she purrs now with the throttle on the lowest setting!), but it was still surging at high rpm so i figured i'd mess with the governor. I couldn't quite tell if the linkage was touching at all, so I bent it until i was darn sure that it wasn't. that didn't stop the surging, but the throttle was a lot smoother, so i guess that was part of the problem after all. Finally, i turned in the bumper spring little by little and eventually it stopped the surging. I'm not sure how many turns it took, but It doesn't seem to have problems under load so i guess it wasn't too much. I Went out mowing and it handled the thick stuff way better than it used to! The only time it died on me was when i took it through some THICK grass that I haven't cut all year and is full of bindweed. I can live with that!