oil leak

I have a 2007 400ex with oil leaking from the top of the engine. Any suggestions as to what I am getting into for repairs? Thanks in advance.

My atv isn’t 4x4 so the drive shaft in the back is the one leaking, I’m guessing it just needs a seal replacement so how am I supposed to pull the drive shaft out?

hi all, new here, but none the less to the question... i have an 86 trx 250r, on the clutch side of the motor oil is seeping out of the top of the seal right behind were the radiator hose enters.... now we assumed the issue was the crank seals had gone bad and due to pressure back up it was...

I'm storing my recently purchased Quad at my uncles place and he moved last week and notice a puddle of what he thought was oil under it. What typicall goes out on these. Oil seal? Crankcase gasket? Thanks

Please help me! I have a Honda TRX90 and i was changing the oil. When i unscrewed the wrong bolt, the transmission fluid one, all of the fluid came out. Now i have NO idea how much to put back in?!?! I do know how to put the spring and plug in, but there is no fluid in it.... im stupid Please...

So, I have been reading some of the other posts and am confused. A small amount of oil is leaking from the back of the engine under the air box. I haven't been able to find the exact location but that is the general area. My question is - is this normal or something I should looking further...