Stock Canadian needle clip setting

[Slamfire]

Does anyone know the stock Canadian needle clip setting? I'm at sea level.

I get a stumble cruising at 45000-5000 rpm. When I get on the throttle it goes away untill I start cruising again. I think it is running rich. I have stock modified exhaust.

 

[blaxmax]

2nd clip setting from the top.

 

[Slamfire]

Thanks!
I just went out and checked, they are in the right position. i guess ill tear them off check what jets are in there and float levels etc..