Went to check my valves and removed the two timing caps on the engine crankcase to make sure I set the marks to the compression stroke. Anyhow, oil gushed out of the lower timing cap hole. About a 1/4 of a quart it looks like. I'd say I have a bad seal in there, you guys see anything else it could be? The bike is an '01 YZ426f. Ridden purely MX only. Thanks for any help.