Problems Starting Toro S-200 Snowblower
I am having problems starting my snowblower. I have replaced the diaphragm, cleaned out the carb, cleaned out the fuel tank and filter, and replaced the spark plug. What happens is that the snowblower will start and run very rough for a brief period of time and then quit. I then cannot start up the snowblower again. Does this have something to do with the carb adjustment screws? Originally Posted by Toroman I am having problems starting my snowblower. I have replaced the diaphragm, cleaned out the carb, cleaned out the fuel tank and filter, and replaced the spark plug. What happens is that the snowblower will start and run very rough for a brief period of time and then quit. I then cannot start up the snowblower again. Does this have something to do with the carb adjustment screws? Do you have the model and serial number of this unit? It MIGHT have two adjustment screws on the left side of the carb. Carefully turn them all the way in, then turn them out one and a half turns. If it starts then, adjust the screws until it runs smoothly at idle. put it under a load, and if it doesnt respond with an rpm increase, open the high speed screw in quarter turn increments. Thanks so much for your reply. It does have the screws on the left of the carb, but they don't seem to have much of an effect when I turn them. How sensitive are they to each turn? When it did start earlier, it only ran briefly and there wasn't enough time for me to adjust the screws. Is there a way to get it to start and run roughly so that I can fine-tune the screws? You said you replaced the spark plug. Did you check to see if it fired outside the head before you installed it? (If you did, did you check it after it tried to run to see if It was fouled ? I cant remember whether the S-200 had a primer bulb or not. If yours does, can you prime it to the point where you can see fuel in the cup on the air intake? If you cant, you may have installed the diaphragm upside down, or you have a plugged inlet. The turns I gave you on the jets SHOULD get you started enough to fine tune it. unless there is something else wrong with it. (Is this your own, or are you recycling it from somewhere else? My neighbor brought one over that did the same thing, HIS had a blown head gasket. You can check that by taking out the 4 screws that hold the head on the block but be careful, you tear it, and you have to buy a new one. Good luck! Still no luck with getting it to start. How can I check to see if the spark plug is firing? You can remove the plastic case without removing some of the controls attached to it and set aside. Then you can remove the plug with a socket wrench and attach the wire to it. Ground the plug on the head and check to see if you an see any spark. You need gas and spartk to fire these engines.
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