And why are you using the "highest grade gas"? Read all the threads on here about octane and what it is. This engine is designed to run on regular (87 octane in the US) gas as it is a low compression engine. Higher octane gas is for high compression engines and has "ignition inhibitors" mixed in to prevent pre-ignition in these engines. You are gaining absolutely nothing and actually have less power and worse gas mileage, but do have a lighter wallet, using high octane fuel. It is a myth that high octane fuel is better - it is not. It is designed for high compression engines only and will not solve any of your problems and may actually be contributing to them.
The ticking probably means you need a valve adjustment and your engine is trying to tell you something.
And the "gas treatment", meaning on here either Seafoam or Berryman's B12 Chemtool, is for keeping your carb clean if you don't use the bike much - it will prevent gummed up carbs and maybe clean them too. It has nothing at all to do with your engine ticking. You add 1 oz/gal of gas maybe every 3-4 tankfuls.
Search on here and get a little educated as all this has been thoroughly discussed before.
