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View Full Version : Hole in front of gy6 crankcase cover?

Acellio
03-13-2018, 12:51 AM
What is it for? It looks like an air hose was once connected to it and the original owner deleted it. Can/should I block the hole off?

http://www.scootdawg.net/attachment.php?attachmentid=1016&stc=1&d=1520916627
msiger919
03-13-2018, 07:04 AM
I am not a gy6 guru, but can you put a hose back on it? Is it a breather hole? I do have a manual I can try and look it up.
msiger919
03-13-2018, 02:56 PM
What is it for? It looks like an air hose was once connected to it and the original owner deleted it. Can/should I block the hole off?

http://www.scootdawg.net/attachment.php?attachmentid=1016&stc=1&d=1520916627

I found it is for cooling the clutch. On some models a hose is attached going to a scoop in the scooter fairing. Others, like yours, may just have a screen to keep debris out. There should be a vent on the underside of the case near the middle.