Question about 1991 Honda Pacific Coast

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Oil leaks at top of motor

I see oil draining down the motor and have been told that the cam plugs are usually the culprit. so
Is this something I can do myself and if so how many body panels have to be removed to get to the top of the engine? It looks like just the side pop outs and the "tank" have to go but does it require more?
Also how difficult is it in terms of the idea that a competent mechanic can do it, or leave it to a Honda tech who's has done them because they require too many tricks of the seasoned mechanic to pull off correctly.
Thanks.

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With the "tank cover" off, pull aside the rubber boot on the fiberglass engine cover until you see the rubber cam plugs on the left side of the engine cylinder head. Clean any oil residue from this area. Apply high heat and oil resistant RTV to that area with a putty knife or your finger. Let dry and no more leak.

Posted on Jul 18, 2009

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Hi pt--
If you are certain the oil is overfilled, then yes, this should be the problem. Single cylinder engines have little tolerance for excess oil in the crankcase. Since you're at it, you may as well change the oil in the mower while you have this all apart. In order to do this safely, be sure you have disconnected the spark plug wire from the top of the plug. You do not want the mower to start while you are under it. If you are unsure, ask someone who knows how to do this safely. You should also do this on a cool mower, as gasoline could leak from the tank or carburetor and pose a burning and fire risk. That said:

To change the oil on a single-cylinder lawnmower:
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http://floridagardener.com/misc/tuneup.htm
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