What's this hole


Information and questions on GL1100 Goldwings (1980-1983)
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tstjohn84
Posts: 9
Joined: Wed May 24, 2017 8:23 am
Location: Linton IN
Motorcycle: 82 GL110 A

What's this hole

Post by tstjohn84 » Sat Mar 10, 2018 9:29 pm



This is the left side of my 82 Gl1100I. I had never noticed it until today. Could somebody tell me what it is and if it is supposed to connect to something else as there is air that blows out of it. Sorry the pic may be turned wrong side up it is on my phone.
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indianakid
Posts: 197
Joined: Sun Sep 26, 2010 5:28 pm
Location: long beach, ca
Motorcycle: 83 GL1100 I

Re: What's this hole

Post by indianakid » Sun Mar 11, 2018 6:46 am

the same casting is used for both left and right side. it is only how it is assembled with the cams and other bits that make it right or left. the threaded boss that you are referring to is for the outboard hold down bolt on the timing belt covers. it is less expensive to manufacture a head that will fit both sides having extra features that wont be used (on the aft side of the head) than it would be to have unique casting and machining operations for the left and right.

ref: viewtopic.php?f=4&t=31031&p=180569&hilit=boss#p180569

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