Pirelli tire bead issue

[Buffalo Bill]

Ok, decided to try a Pirelli Sport Demon on my 1100G.
Bummer, the bead would never sit right. Tried all the tricks, but looks like a tire fail.
No tire should be so hard to mount, so decided to go back to using Shinko 712R.
I'm sure I been riding with the Pirelli improperly mounted for the last 1220 miles.
I've had great consistent results from Shinko 712R tires.

 

[rphillips]

More info please. How and when did you find it wasn't right. Had it shown problems in that 1220 mi.?

 

[Suzukian]

I don't get this. I just mounted some Pirelli Diablo II's on my ZZR1200. Not harder to do than any other tire?

 

[Buffalo Bill]

The tire seemed ok until this week. Worked well on the roads.
The bike had been sitting for a week until I rolled it out for inspection before a ride.
Tire was very low and would not hold air, then I discovered the air was leaking quickly from the rim edge.
Worked on seating the bead a few hours, until I decided it was hopeless.
Tire held air but, bead not truly seated.

 

[Rob S.]

Year of the bike? Are the rims truly designed for tubeless use? And are the tires truly designed for tubeless rims?

 

[Cipher]

The tire seemed ok until this week. Worked well on the roads.
The bike had been sitting for a week until I rolled it out for inspection before a ride.
Tire was very low and would not hold air, then I discovered the air was leaking quickly from the rim edge.
Worked on seating the bead a few hours, until I decided it was hopeless.
Tire held air but, bead not truly seated.

Did you kink the bead wire?
and why is Pirelli touting cross ply vs bias.

 

[rphillips]

Now that's different, Did you ever see anything that indicated a problem? Usually a problem like that would show up initially. After a thousand mi. most imperfection would have kind'f "seated" itself in by then. Being a Bias ply tire it will be stiffer, we can get accustomed to the newer softer radials these days.

 

[GregT]

Back when the Dunlop 591 came out, that was one of the first bias ply touring tyres. Working in a shop which mainly sold tyres, I saw a lot of effort go in to beading them up.
Pressures as high as 90psi were sometimes needed - even lubed.

 

[Buffalo Bill]

Back when the Dunlop 591 came out, that was one of the first bias ply touring tyres. Working in a shop which mainly sold tyres, I saw a lot of effort go in to beading them up.
Pressures as high as 90psi were sometimes needed - even lubed.

Hey Greg, I had the psi at 100-120.
I did not use soap, having learned that was bad. Street tire shops in Chi and NYC used soap, but I learned here from members soap was bad.
I used liberal amounts of "Tire Mounting Lubricant" from NAPA.

 

[Carter Turk]

Did you try a ratchet strap around the center of the tire while airing up?

Had to that just week ago mounting a Metzeler Road Tec 01.

 

[Cipher]

Hey Greg, I had the psi at 100-120.
I did not use soap, having learned that was bad. Street tire shops in Chi and NYC used soap, but I learned here from members soap was bad.
I used liberal amounts of "Tire Mounting Lubricant" from NAPA.

Siap corrodes the wheels. Gid awful thing to use.

 

[GregT]

Hey Greg, I had the psi at 100-120.
I did not use soap, having learned that was bad. Street tire shops in Chi and NYC used soap, but I learned here from members soap was bad.
I used liberal amounts of "Tire Mounting Lubricant" from NAPA.

Fair enough, plenty of effort.
Back in the day here in NZ, a couple of sidecar racers used to help finance their season by selling tyre lube they'd made themselves, Under the brand name "Bear Snot"
It smelled foul. Memorably bad.

 

[rphillips]

Wondering if you ever "saw" an indication of what caused the problem, or did everything on the tire look OK?

 

[Buffalo Bill]

Wondering if you ever "saw" an indication of what caused the problem, or did everything on the tire look OK?

My thought was I could grind away the inside edge of the tire a bit, just round it some. That would probably do it, but maybe not. However, WTF how about a better product?

 

[Buffalo Bill]

Did you try a ratchet strap around the center of the tire while airing up?

Had to that just week ago mounting a Metzeler Road Tec 01.

you betcha i did

 

[Cipher]

My thought was I could grind away the inside edge of the tire a bit, just round it some. That would probably do it, but maybe not. However, WTF how about a better product?

WTF how about a competent installer?

 

[Buffalo Bill]

WTF how about a competent installer?

i needed one, and the money

 

[rphillips]

What I meant was there anything you could see that looked any different on that tire than any other tire. Did the edge you thought about rounding look any different on that tire than that edge on other tires?.

 

[Suzukian]

You did not answer if the rims are made for tubeless, and what you used for Tire mounting lube. I used stuff from a relative's Honda Dealership, specifically to seal tire beads. You could get another tire and find the same problem. More specific info needed to get the help that will work for you.

 

[Buffalo Bill]

seems we have a new generation of trolls onboard here