Oil leak  By  scootmonk (Read 4,482 times)

Thanks big guy.

Hey scootmonk, my 1st GY6 scoot had an oil leak at about 1500 mi., I thought it might be head gasket, so removed valve cover and checked the torque on the head bolts - around 15 ftlbs - I was a little leery about over tightening anything on the Chinese metal, so left them at that, checked the valve clearance and then noticed the valve cover gasket was pretty smashed and one small crack in it - so replaced it, put it all back together and no leak. This was my 1st bit of wrenching in 35 years!

Can you get us a pic Scootmonk? Sometimes nomenclature is a problem. The gasket on the aluminum cover that you take off to adjust the valves is the valve cover gasket. The gasket lower down that seals the head to the cylinder is the head gasket, a much bigger problem. You can e-mail a pic to my hotmail account, just click on my handle name, and I'll upload to photobucket. Rich

Here's Scootmonks pictures. Scootmonk: hard to tell from pix. most of oil been wiped from handling. blowing oil out cooling exhaust vent. It won't do it on center stand, If I go aroud the block it blows out over the bottom cover:

Could be a small crack in the head - very hard to spot, but 90% of these cracks happen near the cam chain area - must be a weak point in the casting. We have been getting new heads w/ valves installed $49. from Buggy parts NW - they seem to be holding up better than OEM heads. Have replaced about 12 to 15 heads on the GY6 this last year.
It seems that if it's not the valve cover gasket, not the starter motor O ring, the next place is the head - usually a small hairline crack near the cam chain area...

Thanks for the heads up ootscoot. i'll check the head for leaks.