Boxerworks.com

I find that removing the float bowls to measure can result in 'some' petrol coming out of the fuel line when the float drops.

Better to use a clear plastic bowl.

Sounds obvious I know, but when you check your head torque, don't forget to loosen the nut an eighth of a turn before re-torquing as 'stiction' will fool you into thinking all is well when it isn't.