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XT660Z Tyres What tyres do you have and which are you going to try next - Road / Off-Road

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  # 1  
Old 15-07-13, 00:30
UKbri UKbri is offline
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Bead Breaking.

I put another rear tyre on the other day and had the usual problems breaking the bead on the old tyre. I've had the same problem on my last 3 rear tyres now. I also did my missus' KLR rear tyre at the same time and I didn't even need a tool to pop that one, it almost fell off. I'm beginning to think it's the rough black surface of the rim, the tyre just seems to weld itself to it. The KLR has a shiny smooth silver surface. I worked as a mechanic for 20 years and even worked in a tyre shop for 4 years so I pretty much know every trick in the book. I even had the new Motion Pro tool which didn't budge it. I had to take it down the road to a tyre shop for them to pop it and I did the rest. I think if I get a puncture out in the sticks I'll be screwed. Especially worrying the other day as I was doing the Trans Labrador Hwy which is in the arse end of nowhere. Just wondered if anyone else has the same issues ?
  # 2  
Old 15-07-13, 02:04
gregdobrynin gregdobrynin is offline
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Have the same problem with the rear wheel. I had to use vice to break the bead and change the tire. It really sucks. One of the tire workshops in Kazakhstan could not break it with proper tire change machine. I know that this is for safety reasons, but I think that Yam engineers overdid it. The good thing is, that when you get flat, one side of the tire goes out from the bead so that you can take out the tube. I am seriously considering to change the rear to excell rim when I come back to Europe, unless somebody knows some better solution...

Sent from my GT-I9100G
  # 3  
Old 15-07-13, 09:52
duibhceK duibhceK is offline
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at home I use one of these:


in the field a center stand is very convenient. Put bike on center stand and break the bead with the side stand.
  # 4  
Old 15-07-13, 13:57
UKbri UKbri is offline
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[QUOTE in the field a center stand is very convenient. Put bike on center stand and break the bead with the side stand.[/QUOTE]

Tried it - Didn't work. Like I said, I've tried all the tricks. Even a proper tyre machine has trouble with it. It seems to be a problem with the design or surface of the rim.
  # 5  
Old 15-07-13, 14:28
duibhceK duibhceK is offline
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My experiences so far seem to be very different. Haven't had any problems with getting old tyres off.
The last time I *****ed and swore was while putting on a rear AC10 with mousse on the WR. But the XT always seems to go quite smoothly. Are you running aftermarket rims or tyres with extremely stiff walls?
  # 6  
Old 15-07-13, 16:01
UKbri UKbri is offline
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I never have problems removing or fitting the tyre, it's just breaking the bead. Standard rim and has been different tyres.
  # 7  
Old 15-07-13, 23:17
Pleiades Pleiades is offline
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Quote:
Originally Posted by UKbri View Post
I put another rear tyre on the other day and had the usual problems breaking the bead on the old tyre. I've had the same problem on my last 3 rear tyres now. I also did my missus' KLR rear tyre at the same time and I didn't even need a tool to pop that one, it almost fell off.
The rear wheel is difficult because (unlike the front) it bizarrely has a tubeless tyre type cross-section; there is a small bead hump on the inner edge of the bead seat. To get the tyre off easily the bead needs lifting over this hump into the dropwell in the centre of the rim. Simply pushing and using brute force, just causes the bead to drag across or snag on the hump. The easiest way I’ve found is to use a small 9” tyre lever with a thinnish spoon end which you can get under the tyre’s bead and then lift (and push/lever) over that troublesome bead hump.

AFAIK the KLR has a standard tube-type rim cross-section without the inner ridge to get over, which is probably why the tyre just "fell off" in comparisson. The Excel rim is the same; it also doesn't have the inner bead hump.

IMO the brand of tyre makes a big difference. Of the tyres I’ve changed on the rear of the Tenere, this is how I reckon they stack up in order of ease of changing…

(1) TKC80 (soft carcass) = easy
(2) Tourance = relatively easy
(3) Heidenau K60 = tough
(4) Dunlop Trailmax TR92 (stiff radial carcass) = very hard work
  # 8  
Old 16-07-13, 02:42
UKbri UKbri is offline
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Quote:
Originally Posted by Pleiades View Post
(1) TKC80 (soft carcass) = easy
(2) Tourance = relatively easy
(3) Heidenau K60 = tough
(4) Dunlop Trailmax TR92 (stiff radial carcass) = very hard work
I will say I fitted a TKC a few years ago and it was extremely easy to fit. The last one was a cheapy Shinko.
  # 9  
Old 03-10-13, 15:46
Juan Valderrama Juan Valderrama is offline
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One trick when breaking beds on the woods.

Hi guys, I live and ride in Colombia my xt660z. Tons of lost trails and plains and jungle ridding. When having a flat, and not help around, I use the side stand or the central stand of my tenere for breaking beds. Of course you have to muscle up the bike and be careful not to damage the rims, but I get the job Done in case there is no other choice. Tenere total 200 kilos or so helps to break beds.

I do have the motion pro bed breakers, and 3 sets of levers. The motion pro bed breakers are pretty but honestly it is no good idea to bring more weight than necessary, because I normally break beds with the levers and the bike. So I always leave them behind. The levers I have are 2 standard and the third is very wrench I have to loosen the 22 mm nut of the rear tire. Finally I had made a special nut with a 30 mm long # 14 alen bit with a 22 mm nut stuck to it for axle removal with one wrench.

I hope this helps.
  # 10  
Old 22-07-13, 08:46
66T 66T is offline
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Quote:
Originally Posted by Pleiades View Post
The rear wheel is difficult because (unlike the front) it bizarrely has a tubeless tyre type cross-section; there is a small bead hump on the inner edge of the bead seat. To get the tyre off easily the bead needs lifting over this hump into the dropwell in the centre of the rim. Simply pushing and using brute force, just causes the bead to drag across or snag on the hump. The easiest way I�ve found is to use a small 9� tyre lever with a thinnish spoon end which you can get under the tyre�s bead and then lift (and push/lever) over that troublesome bead hump.
+1. It's possible to change a rear tyre with the short Metzeler-type tyre lever by the roadside, as Pleiades said. Not easy, but possible.

At the time I didn't realise the Tenere has a 'safety' rim. It didn't take too bl++dy long to find out.

+ 1000 for the centrestand!
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