These are things you can run into on older engines where people in the past have messed with them. The oil pump should only have lines going to where the oil goes, I think. It sounds like you've studied the manuals carefully. It wouldn't be any big surprise if in the past parts have bee substituted and you may be dealing with a hybrid. So route the hoses for what you think you have. Read the section of the manual that explains all the hosing and what it is for, look over the engine, and insure that you are comfortable that what you are doing is in line with the theory of operation. Wish I could be more specific, but I'd have to be standing there looking at it myself to be positive of what is happening.
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Originally Posted by Charlie206
You see what hammers cause? I hope you put locktite on those screws under the flywheel. It's pretty important they do not back out, as in REAL important. Check your wiring very carefully as you finish it up to insure it is routed such that it has no chance of contacting the flywheel. You are very close but I need to digress. You said earlier you cleaned the carbs. I don't know what caused the pre-ignition / detonation that took the engine down, but a common cause is a lean condition from a partially clogged high speed circuit in the carb that feeds the blown cylinder. Did you disassemble it, soak in cleaner, and blow with compressed air every hole, passageway, orifice, jet and any other word you can think of? Did you locate the high speed jet and look for clogging? Did you close each adjustment screw lightly, counting the turns, then set them back to the same number of turns upon assembly? This is how to clean that carb. I'm not trying to slow you down, I just want you to have success and am offering this advice because it is your first rodeo. And while we are chatting - I respect a man who will jump on a job like this for the sake of his family.
