Front port in the head connects to the tube going to the top of the governor housing. Rear port in head has pipe connected to it going to the intake pipe on the air cleaner. If you look close the line over the valves has a small hole in it. Supposed to draw air or some of the crankcase mixture of stuff out. Some pullers plug the rear head port and run them without the pipe. Another way is to put a 2 inch long 1/4 inch pipe nipple in the front head hole under the cover. Then get a 400 or 450 valve cover and run a PCV hose from the opening in top of it to the air cleaner pipe. If running a regular air cleaner?
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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