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9 year old tyres

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EazyDuz
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PostPosted: 17:39 - 18 Apr 2019    Post subject: 9 year old tyres Reply with quote

My bike just passed MOT (Suzuki C800) with an advisory on both tyres that they are beginning to perish.
Minor cracks in the side walls and cracks inside the tread pattern. Tester said he would only fail it if he can see the cord underneath, they're not that bad yet.
The date on them is June 2010, they have loads of tread left.

Took it to the local mechanic to have a quick look, he said no immediate danger and could go another year on them but there is that slight chance of a blowout if they get hot on a motorway.

I do plan to do the NC500 this year so is it worth changing them both now, or is the tester just being a bit pedantic?
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leolion
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PostPosted: 17:49 - 18 Apr 2019    Post subject: Reply with quote

id be tempted to get some some ( decent) part warns on it just to tie you over, a blow out on a bike is not something you want to experience.
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MCN
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PostPosted: 18:14 - 18 Apr 2019    Post subject: Reply with quote

R U 4 real?

A pair of tires will cost you 200 quid.

Liability in an insurance claim a lot more.
Loading on future policies.
Life and limb.
Its only a bike but it's only your' s and anyone else's safety.

Buy new tires FFS.
https://www.tyreleader.co.uk/motorbike-tyres/
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P.
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PostPosted: 19:09 - 18 Apr 2019    Post subject: Reply with quote

You sure it says 2010 and not ZOLO?

Razz
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kgm
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PostPosted: 19:55 - 18 Apr 2019    Post subject: Reply with quote

No way I'd ride on those. Their wet performance will be vastly degraded, even if they don't burst.

Find another mechanic, that advice is dreadful.

I wouldn't bother with part worn tyres for the road either. £220 will get you a set of top quality tyres, and there're plenty of decent cheaper options.
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EazyDuz
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PostPosted: 20:55 - 18 Apr 2019    Post subject: Reply with quote

Yea will book in for some Bridgestone Exedra as they are apparently excellent especially for touring and bigger bikes
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Shaft
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PostPosted: 23:36 - 18 Apr 2019    Post subject: Reply with quote

EazyDuz wrote:
Yea will book in for some Bridgestone Exedra as they are apparently excellent especially for touring and bigger bikes


Already degraded tyres can deteriorate surprisingly quickly, especially if you don't use them every day and keep a good eye on the pressures.

Changing them is the right thing to do.
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EazyDuz
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PostPosted: 23:56 - 18 Apr 2019    Post subject: Reply with quote

Shaft wrote:
EazyDuz wrote:
Yea will book in for some Bridgestone Exedra as they are apparently excellent especially for touring and bigger bikes


Already degraded tyres can deteriorate surprisingly quickly, especially if you don't use them every day and keep a good eye on the pressures.

Changing them is the right thing to do.


Thanks. Surprisingly they still hold air very well, I only need to top them up maybe twice a year. But yes as I'm intending a 1000+ mile trip it makes no sense to do it on those tyres. Plus i've heard the ones on there are naff compared to what is available these days.
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Shaft
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PostPosted: 00:20 - 19 Apr 2019    Post subject: Reply with quote

EazyDuz wrote:
Shaft wrote:

Already degraded tyres can deteriorate surprisingly quickly, especially if you don't use them every day and keep a good eye on the pressures.

Changing them is the right thing to do.


Thanks. Surprisingly they still hold air very well, I only need to top them up maybe twice a year. But yes as I'm intending a 1000+ mile trip it makes no sense to do it on those tyres. Plus i've heard the ones on there are naff compared to what is available these days.


After 38 years of riding bikes on the road, I can learn to live with lots of things, including crap brakes, but shit tyres is where I draw the line; that postage stamp sized contact patch is the only thing between staying topside and having your arse sliding down the black stuff, with all the dire consequences that might entail.
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EazyDuz
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PostPosted: 00:42 - 19 Apr 2019    Post subject: Reply with quote

Shaft wrote:

After 38 years of riding bikes on the road, I can learn to live with lots of things, including crap brakes, but shit tyres is where I draw the line; that postage stamp sized contact patch is the only thing between staying topside and having your arse sliding down the black stuff, with all the dire consequences that might entail.


Agreed.
While on the subject, is there a particular method best used to scrub in the new ones? They're really wide on my bike.

Front 130/90 16
Rear 170/80 15

Dont want to end up with a scrubbed in midsection and then two huge, lethal slippery chicken strips at the edge. I've never had two new tyres fitted at the same time either so I guess its just a case of gentle inputs and very gradual cornering for the first 1 or 200 miles? Would it benefit to purposely drop the PSI a touch for better contact?
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Shaft
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PostPosted: 00:58 - 19 Apr 2019    Post subject: Reply with quote

EazyDuz wrote:
Shaft wrote:

After 38 years of riding bikes on the road, I can learn to live with lots of things, including crap brakes, but shit tyres is where I draw the line; that postage stamp sized contact patch is the only thing between staying topside and having your arse sliding down the black stuff, with all the dire consequences that might entail.


Agreed.
While on the subject, is there a particular method best used to scrub in the new ones? They're really wide on my bike.

Front 130/90 16
Rear 170/80 15

Dont want to end up with a scrubbed in midsection and then two huge, lethal slippery chicken strips at the edge. I've never had two new tyres fitted at the same time either so I guess its just a case of gentle inputs and very gradual cornering for the first 1 or 200 miles? Would it benefit to purposely drop the PSI a touch for better contact?


Release agents that require scrubbing in haven't been a thing for a good few years now.

Having said that, I wouldn't go decking the pegs straight out of the tyre shop, if only to get used to how your new tyres behave.

Even matched sets of tyres from the same company don't always perform in the same way as you would expect them to, so take it easy for a bit, until you've got used to how they feel.
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kgm
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PostPosted: 06:32 - 19 Apr 2019    Post subject: Reply with quote

As above, although I've found brand new tyres can be a bit more slippery in the first few miles, particularly in the wet. No need to use a specific method, just ride normally and don't cane it for the first few miles.
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Robby
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PostPosted: 09:35 - 19 Apr 2019    Post subject: Reply with quote

Old tyres are lethal. They can feel absolutely fine in the dry, then wash out with no warning when it gets slightly damp. You also don't notice how much you've been compensating for worn, squared off tyres until you get some new ones.

The flipside is that new tyres will also show up anything else deficient in the chassis. More than once I've put a new set of tyres on a bike, then realised that the headstock bearings were totally worn out.
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johnsmith222
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PostPosted: 17:57 - 19 Apr 2019    Post subject: Reply with quote

It sounds like you've already made your mind up, but coming from someone who is relatively lax about some consumables including tyres, yours sounds definitely done and unsuitable for the trip you have planned ahead.

If you can't afford the cost of the latest and greatest, I find the pilot road 2s to be perfectly suitable. Just check the date code so you know how long they've been stored for. Online is roughly £150 a set of 190/50 + 120/70 17s
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Islander
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PostPosted: 21:14 - 19 Apr 2019    Post subject: Reply with quote

What's your life/health worth?

You're planning to do the NC500 which includes some tricky roads like the Applecross section including the Bealach Na Ba. Do you seriously want to risk that on tyres with cracks developing? Aging tyres lose their flexibility and wet weather performance as well and the northwest coast of Scotland has some interesting weather even in the summer.

I'd replace them.
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Kentol750
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PostPosted: 21:27 - 19 Apr 2019    Post subject: Reply with quote

Get rid asap, you can't risk it, as said above. Kgm, if you weren't advised to take it easy for at least the first 50 miles, then i personally wouldn't go back to them. My usual tyre shop always tell me to scrub them in sensibly and, I've been going there for 15 years. Repeat customers being better than no customers.
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Irn-Bru
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PostPosted: 22:00 - 19 Apr 2019    Post subject: Reply with quote

Ask Paul Walker if he likes old tyres Tut Tut

When I got my DRZ years ago it still had the stock tyres fitted, still gripped fine but upon further inspection I could see cracks starting to form, so binned them. 8 years old and sat in the garage most of its life (600 miles on it).
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Ste
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PostPosted: 22:16 - 19 Apr 2019    Post subject: Reply with quote

Irn-Bru wrote:
Ask Paul Walker if he likes old tyres Tut Tut

https://i.imgur.com/SJBua2v.jpg
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Nobby the Bastard
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PostPosted: 12:11 - 20 Apr 2019    Post subject: Reply with quote

Another year? Year?

I get through a rear from new in 7 months and it's then bald. What are they made from? Wood?

Edit; i favour the heat cycle method of scrubbing in.
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MCN
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PostPosted: 11:29 - 21 Apr 2019    Post subject: Reply with quote

Irn-Bru wrote:
Ask Paul Walker if he likes old tyres Tut Tut

When I got my DRZ years ago it still had the stock tyres fitted, still gripped fine but upon further inspection I could see cracks starting to form, so binned them. 8 years old and sat in the garage most of its life (600 miles on it).


Paul Walker 'was killed' by his 'freind' who was driving like a bellend.

80mph around 40mph bend.

Fast and Fuckingstupid.
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EazyDuz
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PostPosted: 16:25 - 11 May 2019    Post subject: Reply with quote

Finally got round to having the tyres done. Holy shit what a difference it has made. The bike corners like its on rails now and is way, way more eager to lean with minimal effort.
Mind blown how much my riding was compromised before, i'd really have to wrestle it to lean over. Feels a lot smoother in a straight line also.

I got Bridgestrone Exedra Max fitted based on the glowing reviews. Had new tubes as well to be safe.
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stevo as b4
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PostPosted: 02:11 - 12 May 2019    Post subject: Reply with quote

Where are we BCF at with 4year old tyres that have been doing nothing for best part of two years and sat in a cold shed unturned all winter?

The rear tyre looks pretty good and still has a soft grippy texture. The front tyre looks kind of hard and shiny though it's 470miles old. Im thinking a new front tyre at the same time as my MOT is the sensible idea here?
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MCN
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PostPosted: 00:20 - 13 May 2019    Post subject: Reply with quote

The lifetime is 4-5 years as far as tyre dealers will say but....
As the rubber (natural product) degrades over time volatile compounds vaporise out. Sunlight affects it more and its why tyres have Carbon Black added as sun screen. UV protection.

I would use them but if you are doing any 'extreme' riding then best to replace.

Good quality tyres far exceed the general limits of duty placed on them by a big margin. They are not made just good enough. They are made to be much better than good enough.

Unless you buy cheap low quality shite.

https://www.ntda.co.uk/useful-links/tyre-ageing/
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bobbertandsam...
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PostPosted: 11:05 - 13 May 2019    Post subject: Reply with quote

Just to point out that the roads up here, in particular north of Inverness, are very tough on tyres buddy. Wears them out a lot faster than you would maybe expect.
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Easy-X
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PostPosted: 12:20 - 13 May 2019    Post subject: Reply with quote

Just curious, do you guys buy your own tyres and then drop them off along with the bike to a specialist to fit and balance?
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