Gracias amigos. Cupping is inevitable. The oil is already okay. Next riding
Apparently Dunlop does not sell the TrailMax in the USA. We get the TrailSmart, which is much like a Metzeler Tourance, imo. Too street oriented for me.
Dicky, How much actual air pressure do you run in F & R tires? And how much do you weigh and how much gear do you carry?
An old rule of thumb was, 'Never less the 8 psi under Maximum'. Has served me and my customers quite well.
You might try adding at least 4 more psi to the front tire to help extend that tires life a bit.
I can't believe that Dunlop just discouraged Proper braking practice to help eliminate cupping of front motorcycle tires. The Proper response is to add more air pressure to Support the load which is being applied. Up to maximum listed on the side-wall if necessary.
When a front motorcycle tire is pressed in the center all of the surrounding rubber flexes towards the point of contact. The tire tread blocks are actually 'biting at' the road surface.
Various tread patterns are more susceptible to cupping than others.
Even road race slicks with no pattern will wear more quickly just off of the center line on both sides, because of heavy braking into corners. But even front tires on cruiser bikes whos riders only use the Rear Brakes will wear their front tires more just slightly off center line.
The front tire is always Driven against the road surface, never driving like the rear tires do most of the time.
As to your engine oil, just normal aeration of cool/cold oil. Happens every time to every engine. Hot oil lets the air out quicker.
Shake a bottle of shampoo verses a bottle of water.