#2 compression reading is a possible leaky valve. I would recommend a valve adjustment.
This will do it. It is simple and fool proof. The process works for all 4 stroke engines with adjustable valves and any number of cylinders. Identifying the valve order is all that is necesary (given in this process for the 560). I do it this way others do a different system. It must be set cold first, so setting it twice (or once) is normal Set the intake valve on cylinder #1 (Front) when its exhaust valve just starts to open. Set the exhaust when the intake just closes. These are the two positions that can be seen on each cylinder, by looking at the valve springs and retainer, to be as far away from a lobe on the cam as possible while still knowing where it is. The order is (front to back EI-IE-EI-IE-EI-IE) Look at #1 valves, Turn the engine till the Exhaust just starts to begin opening (moves) then adjust the Intake valve. Rotate more until the intake just stops moving after having been open) and adjust the exhaust. Treat every cylinder (pair of valves shown above the same way, remembering they switch places between cylinders) I put a rag over the ones I have done to keep track of progress, and avoid mixing what I am looking at. Jim
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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