Casper Posted June 4, 2016 Report Share Posted June 4, 2016 For those running PR4s, what pressures are you using? Quote Link to comment Share on other sites More sharing options...
whaler Posted June 4, 2016 Report Share Posted June 4, 2016 With your bike and size, I would start at 36 front and 40 rear, go up from there if you are experiencing accelerated rear tire wear or cupping. Your bike is light enough that I would not worry about cupping at those pressures. 1 Quote Link to comment Share on other sites More sharing options...
mango_sv Posted June 4, 2016 Report Share Posted June 4, 2016 I was running 34f and 38r last week in TN. Had to slow my rebound out back a bit but gripped like glue. 1 Quote Link to comment Share on other sites More sharing options...
NDspd Posted September 9, 2016 Report Share Posted September 9, 2016 I'm getting massive cupping on my front. I can't do much to the suspension, but maybe I need to revise my pressures. I'm at 31 front and rear. Quote Link to comment Share on other sites More sharing options...
2talltim Posted September 9, 2016 Report Share Posted September 9, 2016 42/42 here but that's like comparing a full sized Lincoln to a Honda Civic, bike and rider weights will vary pressure greatly. Quote Link to comment Share on other sites More sharing options...
TimTheAzn Posted September 9, 2016 Report Share Posted September 9, 2016 (edited) Edit nvm. I'm not in the cool kids club, I run Q3's. Edited September 9, 2016 by TimTheAzn Quote Link to comment Share on other sites More sharing options...
ReconRat Posted September 9, 2016 Report Share Posted September 9, 2016 I just bought a pair of PR4, on one of the 919. Running stock 36f and 42r to start. Seems acceptable. Thinking that would be harsh on a Dunlop rear. Might lower the pressure in the rear a bit. Running RoadSmart II on the other 919, at 36f 36r. Might raise the pressure in the rear a bit. The 42r is stock with two passenger. Pretty much ok to drop up to 15-25% of that pressure, and be correct for single rider. But I'd stay a bit on the high side of the choice of pressures. Not using anything else other than stock 36psi for the front tire from now on. 425+lb bike w/ 170lb rider - 120/70-17 - 180/55-17 1 Quote Link to comment Share on other sites More sharing options...
Lawrence1 Posted September 9, 2016 Report Share Posted September 9, 2016 36/41 here Quote Link to comment Share on other sites More sharing options...
Connie14 Posted September 9, 2016 Report Share Posted September 9, 2016 42/42, but I am riding on a speeding couch. 1 Quote Link to comment Share on other sites More sharing options...
Bad324 Posted September 9, 2016 Report Share Posted September 9, 2016 Loved what I got out of 38/40 on PR2's and 3's Quote Link to comment Share on other sites More sharing options...
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