PSI for RoadSmart IIIs - Kawasaki Ninja 1000 Forum
 
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post #1 of 5 Old 07-10-2019, 07:06 PM Thread Starter
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PSI for RoadSmart IIIs

Just got my second set of RoadSmart IIIs, the first having 7k on them. They actually aren't done and I've put them aside to finish them off later but I'm headed to Alaska in a couple weeks and didn't want to start a 7k mile trip with 4k miles left on my tires.

To tire pressure: The tech pointed out that my RS3 fronts are wearing strangely with small divits on either side of the center of the tread. He said he'd seen it on RS3s that came off of FJRs and it comes from the tire flattening out and the softer side rubber wearing under braking and loads. I always run 36psi on the front and he suggested 38-39 psi. This is the first time I've ever had anyone suggest MORE than the recommended pressure. I'm going to try it and see the results.

I've attached pics of the RS3s with 7500 miles on them.
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File Type: jpg D71_8483.jpg (84.3 KB, 19 views)

2014 Ninja w/bags, Motowerks lowered pegs, Seth Lamm Seat, Puig screen, Givi XS307 tank bag, WOLO BadBoy horn, LEDPerf H7C HID lights, Aerostitch Roadcrafter
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post #2 of 5 Old 07-10-2019, 09:15 PM
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I've read about "scalloping" on other forums for other bikes and this is how I imagined it. I saw this on my FJR and on my R1200RT. Both times I increased tire pressure in attempt to correct. I sold the FJR before I confirmed results. Too soon to confirm results on the r1200rt.

Is this what others refer to as scalloping?
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post #3 of 5 Old 07-10-2019, 10:23 PM
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I wonde.

Suppose your car wears a tire like this? How quick would the shop be to sell you shocks, or struts? Odds are, you wont leave the shop without them. With our motorcycles, i wonder if maybe we dont look at suspension closely enough?

I should have taken a pic of my ...ok, tomorrow I'll take one of a pr3, with 3000 miles on it. I should have saved my pp3, with about 3500 on it, it showed the same.

Both tires wore perfectly normal. No goofy cupping or flat spots.

That stuff went away when I installed my fork cartridges, and had the correct springs Installed.

I'm anxious to see if the pressure change helps, or hurts, and how much of this might be suspension related? We can't talk about alignment, can we, as there's not much we can do there.
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post #4 of 5 Old 07-10-2019, 11:21 PM
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manufacturing defect?? Kenors I have the same bike and at the present weigh about 200lbs...i run 34 and 39 on perelli angels...on my second pair and tires have always weared evenly,,,,thats a ugly ripple on the front..somethins wrong..
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post #5 of 5 Old 07-11-2019, 03:31 PM
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I have exactly the same thing happen to my RS3's on my VFR800 on two sets of tires. The front tire would develop "bumps" or scallops just off center as it got near the end of their useful lives.
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