New idea to improve cooling on the old bike.

[Guzzistajohn]

Too cool for a ride today, I think I’ll start a new project

[oldbike54]

 

 Hmm , 2 smoker valves ?

 Dusty

[pressureangle]

Those are rotary valves.

[Darren Williams]

Come on John, ya oughta know those holes aren't for cooling. Them are racin' valves. Them holes are in there to lighten em up. Gotta save weight everywhere you can!   

[kirby1923]

Coffee table paper weights? Or maybe just tuned...looks like a B flat.

[twowings]

Way to improve incoming charge flow! 

[Guzzistajohn]

Come on John, ya oughta know those holes aren't for cooling. Them are racin' valves. Them holes are in there to lighten em up. Gotta save weight everywhere you can!   

Easier than skipping carbs and desert <shrug>