What this hole made for?

[Tripps]

...I said, and she looked at me sadly.

 

[EasTexRIII]

...I said, and she looked at me sadly.

 

[Jag]

Glory hole for the??

 

[scot in exile]

In days of old when knights were bold and women hadn't been invented they bored a hole in an engine block and had to be contented.

 

[Tal]

.....and on the second day in the wilderness, Daniel was set upon by thieves and bandits...
.
That hole starts whistling at 200 kph! !!...cos the rider can't!!!

 

[RKTNMYPKT]

Only if I had a dollar for every time I’ve asked that question

 

[Jag]

Only if I had a dollar for every time I’ve asked that question

I’ve always been told it’s an exit not an entrance!!

 

[JohnsoD]

It's just there for s**** and giggles

 

[jake shaw]

Under Triumph logo, right side of engine.

I think this hole is used for clamping the crankcase during the machining process.

 

[Grumpy Ole Codger]

In days of old when knights were bold and women hadn't been invented they bored a hole in an engine block and had to be contented.

...lol.., that reminds me:
In days of old when knights were bold and Toilets weren't invented, they dug a hole, just like a Mole, and sat there quite contented!!
Amazing what crap information you retain from your childhood!!