Just came back from a trip to the Catskills area. On my way, I started leaking oil, enough to cover the under side of my bike and start spraying up on to my bags. My buddy that was riding behind me said there was a mist on his windshield. When parked, I was dripping, nothing substantial puddle wise but enough to cause concern.

I kept an eye on my oil level, and it wasn't really low enough to be concerned. Actually when I first noticed the leak and checked it , it looked to be a tad over full.

I added about 1/4 quart before we left as it was down a little. When I got home it was down about 3/4 of a quart.

The trip put me a few miles over 60,000 miles so it was due for an oil change. I changed all 3 holes and put new o rings on the drain plugs. I ran it in the garage for about 10 min, revving it some to get it hot to check the oil level, and I am not seeing any leaks, but I'm concerned about it and am looking for some things to look out for.

What could cause this? What all should I check?

 

I would put a torque wrench on every fastener. A few years back I was leaking trans fluid
I found one bolt missing two other ones were backed out. Put in a new bolt and torqued the others and that took care of it. I also put blue locktite on them. I had about 80k miles on the bike at that time.

 

 

How far forward under the engine/trans did you see oil?

Check these places:
If at the very front - oil cooler/oil filter
If middle right side between engine/trans - engine oil supply/return hoses
Rear - oil pan (if engine oil), main shaft seal (if gear oil)
If oil found on left side of front belt pulley - IPB seal
If oil found on right side of front belt pulley - trans main shaft seal
If gear oil on right side of trans - exhaust bracket allens

Oil out the air filter (which is typical) probably won't end up with oil on the underside of the bike.

 

For the most part it from the oil pan area back. There is a slight amount on the left side more forward, but thar could have been just seepage when parked.

On another note, I did notice 2 things when I changed the fluids. My oil filter was really stuck on, so I may have forgotten to lube the gasket before I put it on. Not sure if that could cause it to leak. I also noticed that both the oil and trans o rings were really flattened out. I may have over tightened the last time. I am hoping it was coming from a drain plug. She sat all nigh in the garage after running it with no leaks.

I did find that my rear brake pads are shot, so I going to get them changed out tonight. Then I can really put it to the test and run it out on the street to see if I'm still leaking.