The pressure noted in the manual and on the frame have some stipulations. Those are pressures for standard riding weight (whatever that is) and there might be a passenger PSI as well, cold (not ridden) and at 68°F air temperature. You adjust for more or less weight and + 1 PSI for every 10°F the air temperature is warmer and -1PSI for every 10°F it is colder, that's if they have the pressure right to begin with. (Firestone and Ford Explorer ring a bell?), they are trying to get a class action on Dunlop for the Harley OEM tires (mostly touring IIRC).

There are methods to get the correct pressure for your tires.

P.S. Best is to always use the same gauge when possible, after determining the proper pressure.

 

wow... how many tires you go through in a year?

j/k... bustin your *****. (i think) pretty sure you meant 11,000?

 

You don’t say what year Heritage or how many miles in the bike. With my Evo Heritage I could always tell when the rear shocks were starting to go as the rear tire life would drop considerably.

 

2010 heritage 49,000 miles

 

On my 21RGL have 17k on the tires so far, the rear still has a couple thousand left, I run the pressure stated on the tag on the bike.

 

Just read in the owners manual, never thought of that to increase pressure slightly as the temp increases, learn something new every day.

 

I have a 2018 Heritage and have used either Dunlop American Elites or Dunlop Elite 4’s.

Normally get 18,000 to 19,000 out of the fronts and between 10,000 and 11,000 out of the rears.

 

I just ordered an American Elite hoping it does better.

 

19K on the rear
is that miles or Km?

..L.T.A.

 

Also taking it in for 50,000 mile service maybe they'll find something I'm missing