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Join Date: Nov 2007
Location: Chandler, Arizona
Take some spray brake cleaner and completely clean the oil off the entire area. It may take a lot of it, get the Walmart Supertech brand. Once clean and dry, get some Arrid Extra Dry spray, and spray the whole area with it. It is bright white, and any oil leak will instantly become visible. Start the engine and wait. You can also get dye to put in the oil that shows up under a blacklight. I seriously doubt it is coolant, that is quite different from oil. However, there is a coolant elbow fitting on the left side of the rear head that tends to leak. It has an O ring on it, but even with a new O ring, it can leak if you wiggle it around. And yes, I have done the taste test on coolant. Obviously ethylene glycol is poison, and you don't want to swallow any. I just touch it with my finger and touch my tongue to it. If it is coolant you will immediately get that sweet taste. Spit it out. It will never be anywhere near your throat.
You might also want to remove the gas tank and run the engine on a temporary gas supply. You can get a much better look at the top on the engine with the tank off.
I am a motorcyclist, NOT a biker.
1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike