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BusterGonads |
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BusterGonads Trackday Trickster
Joined: 18 May 2018 Karma :
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G |
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G The Voice of Reason
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Posted: 17:21 - 01 Oct 2018 Post subject: Re: How many of you lads change your own tyres. |
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Where's the can of worms emoticon?
After being charged £12.50 for a tyre change at a trackday I gave up and got a bead breaker (always done dirt bike tyres myself in the past, but sports bikes can be a bit more hassle to break the bead.)
CG125 should be pretty easy to do.
I'd get some proper tyre soap (though I've used all sorts without it) and consider some weights to balance it. |
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MCN |
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MCN Super Spammer
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BusterGonads |
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BusterGonads Trackday Trickster
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ThatDippyTwat |
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ThatDippyTwat World Chat Champion
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Riejufixing |
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Riejufixing World Chat Champion
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Confusion |
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Confusion Scooby Slapper
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BusterGonads |
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BusterGonads Trackday Trickster
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G |
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G The Voice of Reason
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Skudd |
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Skudd Super Spammer
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doggone |
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doggone World Chat Champion
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Pigeon |
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Pigeon World Chat Champion
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MCN |
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Teflon-Mike |
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Teflon-Mike tl;dr
Joined: 01 Jun 2010 Karma :
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Posted: 03:36 - 02 Oct 2018 Post subject: |
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More like a push-bike tyre they are, ie big in diameter and skinny in section, easier they are to spoon on and off.
The regulation comp-trials tyre sizes are 21x2.85 front, 18x4.00 rear; pretty much the sort of size fitted to bikes of old....
Ownleeeee they started making trials 'slicks' un tubless, in the mid 90's... this was a 'bit' of a bugger, when I came to spoon one on the back.... "Yeah, just chuck a tuibe init... be fyne... 'sother way about wont work" Err... yeah... dont really work that way around! I think I gave up and drove to ATS with my fists, palming the gear-lever!
Tubless have a bloomin stiff carcas, and are best left to folk with a machine! Even in the smaller sizes.
Small and tubes, like a push bike? No Prob.... err.. well, yeah, must be the valve...... oh, no, a new valve hasn't fixed it.... oh buggah! Oh! look, there it is.....nipped the tube.... effinbludyleverthingawotsitcrappyindianrubberborrOX!
So given the choice..... I tend to take'm to ATS, or better still, since I have a really good tyre emporium, Central Wheels, at Coleshill, just round the corner from the Basset's pole dodge the quad-chav meet, I just get6 my tyres there, and get them to fit'em!
If you check the pup-post, I DID make Snowie suffer, spooning the new Mitchelin M45's on her Super-Dream during renovation.... why should I be the only one to suffer! And she wanted the 'experience'... no point missing chunks of it! And besides... I wanted to watch things jiggle as she jumped up and down on the side-wall trying to break/seat the bead!.... HEY that's my excuse, and I'm sticking to it!
But, if you DIY, decent levers, rim-tectors, lots of soap and old fashioned block soap you can use like grease 'helps'... make sure you dont get the valve cocked, and a little air, I mean a very little, can help as you work round the tyre making sure the tube's centered before tying to pop it on the bead.
Good luck....
PS.... the old tube is useful for cutting up to make short bungees, big rubber bands, fork-gaiters, shock gaiters, improvised side-stand springs etc... and motorbike sized repair patches.... lots of sanding needed to get a key on them though, and watch the ribs and edges..... they WILL likely come in handy when the tube gets pinched! lol. ____________________ My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?' |
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BTTD |
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BTTD World Chat Champion
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Evil Hans |
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Evil Hans World Chat Champion
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Posted: 10:06 - 02 Oct 2018 Post subject: |
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I do the skinny ones on the wife's 125 and the bairn's moped, but I leave the Bandit to the pros.
Too much like hard work for me! ____________________ Triumph Sprint ST 1050. And it's Red. |
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G |
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G The Voice of Reason
Joined: 02 Feb 2002 Karma :
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Teflon-Mike |
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Teflon-Mike tl;dr
Joined: 01 Jun 2010 Karma :
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Posted: 12:16 - 02 Oct 2018 Post subject: |
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G wrote: | Teflon-Mike wrote: | Tubless have a bloomin stiff carcas, and are best left to folk with a machine! Even in the smaller sizes. |
While it can be a bit more work to get the tyre on and off, not needing to worry about the tube can make it easier.
Modern track tyres are made with very stiff sidewalls, so the rear can be run in the 20-26psi kind of pressure when hot. |
Off-Topic But WTH... that was the major 'feature' of tubless trials slicks. In trials, depending on surface, I might run the 'tubed' pressure in the back as low as 5-6psi. When tubless trials slicks were introduced, 'They' said.... that they could be run down to atmospheric/ zero psi, 'just' on the side-wall stiffness.... and ho/hum, it's not that far off.
Niggle is, that on a conventional spoked wheel rim, you still have to fit a tube, or all the air escapes through the spoke holes!!!
Spoked tubeless wheels, dont just have a different rim form to mount the tubless tyre, they have a completely different construction, often sort of 'in-side-out' with a flange on the rim and the nipples on the hub. ____________________ My Webby'Tef's-tQ, loads of stuff about my bikes, my Land-Rovers, and the stuff I do with them!
Current Bikes:'Honda VF1000F' ;'CB750F2N' ;'CB125TD ( 6 3 of em!)'; 'Montesa Cota 248'. Learner FAQ's:= 'U want to Ride a Motorbike! Where Do U start?' |
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bikenut |
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bikenut World Chat Champion
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Fizzer Thou |
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Fizzer Thou World Chat Champion
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Posted: 15:14 - 02 Oct 2018 Post subject: |
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I change all of my tyres,the tubeless ones being the easiest.The tubed tyres on the enduro bike are a pain as locating the inner tube valve stem through the hole in the rim is not that easy due to the sidewall stiffness on new tyres.
https://i666.photobucket.com/albums/vv23/WiNot_Rhencullen/Workshop/2013-05-05184720_zpsd28e1d3d.jpg~original
As for balancing,it is far more important to be done on the front on the rear.I pay far more time and attention getting the front properly balanced than I do the rear,where I only go to the nearest 10g weight.For this I bought a rig from Hein Gerickes a few years ago when it was only about £30.I also reuse old weights,like a previous poster does,using strong double sided tape.
https://i666.photobucket.com/albums/vv23/WiNot_Rhencullen/Workshop/20170401_160527_zps5keoueyy.jpg~original
I used to change the tyres on my CB125S back in the '70s.Easy then.Could probably do the same work without levers nowadays,using plenty of tyre soap.Watered down washing up liquid is cheap and readily available.Just be sure to wipe the bottle before the other half goes to use it.... ____________________ Just talk bikes.What else is there?
Always have a 'Plan B' |
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Nobby the Bastard |
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Nobby the Bastard Harley Gaydar
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Enduro Numpty |
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Enduro Numpty Could Be A Chat Bot
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Enduro Numpty |
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Enduro Numpty Could Be A Chat Bot
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Kawasaki Jimbo |
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Kawasaki Jimbo World Chat Champion
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BusterGonads |
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BusterGonads Trackday Trickster
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Old Thread Alert!
The last post was made 5 years, 259 days ago. Instead of replying here, would creating a new thread be more useful? |
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