I have no experience with that specific engine, but typically, the spark cable is not a separately available item. You should access the spark cable and trace it carefully to its source, inspecting closely for sings that the cable has been shorting to ground because of a chafed spot on the cable insulation. If you find such a spot, you might be able to adjust the lay of the cable away from whatever has chafed it. Mice seem to get their jollies eating electrical insulation off of various wiring so you might encounter that. Damage to high tension cables can sometimes be repaired by slavering the damaged spot with "brush on" vinyl liquid insulating sealant (available in home center electrical dept) or RTV (silicone sealant/caulk). Whether you use the vinyl compound or the RTV, you should coat the entire circumference of the cable for about 3/4 inch on both sides of the damage site. Let the repaired spot cure for at least a full days time before trying in service. I will presume the "stop engine diode" to be similar to what Briggs uses. It is actually a pair of diodes. The image below illustrates what the Briggs manual states about the Vanguard Twin diodes.

Michael - anaerobic conditions don't cause ammonia production, it is just that it can occur under either aerobic or anaerobic conditions. pH will influence the release of ammonia. The lower the pH (more acidic) the more of any ammonia that is produced will exist in the ammonium ion form rather than free ammonia. The relative amounts of those two forms is an equilibrium that is pH dependent. Looked at another way, ammonia is a base, and its production will neutralize acids in the forming compost, increasing the pH. The principle cause of high ammonia levels in composting, under either aerobic or anaerobic conditions, is high nitrogen levels (low C:N ratios). In some cases, this is sought. Producers of mushroom substrate purposely use very high N mixes, sometimes via the addition of urea, to produce a high N compost as a base for the growing medium. Typically their mixtures will have a C:N ratio in the range of 10-20. Some recommended formulations are published by Penn State University, see link below. Note the point under V., Phase I is considered complete when as soon as the raw ingredients become pliable and are capable of holding water, the odor of ammonia is sharp and the dark brown color indicates carmelization and browning reactions have occurred ... Here is a link that might be useful: Substrate Preparation for White Button Mushrooms

My husband has suffered from Tinnitus for over seven years and has the most severe form of it. It isn't just a buzzing or a ringing, it is a loud screeching, metal on metal. It is non stop 24 hours a day and it is debilitating. There have been times when he hasn't been able to get out of bed. He has seen many doctors and specialists, including ENTs, Dentists, and a neurologist. He has had all kinds of tests including a brain scan. They all tell him the same thing. There is no cure for Tinnitus. The lucky people find out that their tinnitus is triggered by a drug and sometimes stopping that drug will make the tinnitus stop. Moe tried acupuncture for six months which was basically just a waste of money. It didn't provide any relief for him at all. The Chiropractor wasn't helpful either. At one point he was on anti-depressants. He wakes up with it and he goes to sleep with it. We have a white noise machine turned on at night. A friend recently sent me some information on Wobenzyme, a Systemic Enzyme Supplement. A lot of people get relief from arthritic symptoms using this supplement and some from Tinnitus. Since Moe was also suffering from arthritis in a number of joints including his knee and his shoulders we decided to give it a try. He checked with his doctor first. He started taking it the first week of January and within a week was getting relief from the joint pain. He could barely walk around the block and now we are walking three miles a day. Because the joint pain is now gone, it has made the tinnitus easier to deal with. The Tinnitus is still there, but because he isn't hurting as much, he is finding the tinnitus easier to live with. We are hoping that if he continues to take this supplement that he might get further relief from the Tinnitus. Time will tell. Ann

I feel for both of you! Eight years ago, I ended up in the hospital many times with Addisonian crisis. The last time, they ended up giving me tons of fluids, and within a few days, I'd gained 25 pounds of water weight, which had to be taken off with diuretics after the crisis had passed. The diuretics took away my sense of taste and smell, though I didn't realize at the time that this was the culprit. Mine were only lost for a month or so, until my doctors figured out what the problem was and game me something else, but it was just awful, so depressing. I'm glad both of you have some taste and smell back.