Rear tyre going flat for no reason

[Ian Whiffen]

HI just wondering if anyone has had problems with the rear Tyre going flat . I have K1300S with BT30 GTs on could it be the tyre or the wheel any ideas. Thanks Ian

[Greenman]

There is always a reason...

I'll bet on a faulty valve

[black-k1]

I agree with greenman. There is always a reason and the most likely is the valve.

[Costas]

If there was an issue with a tented wheel then you would probably had noticed it.
A nail or a screw that hit it and then vanished could be another issues and if it was very small then finding the hole would be difficult.
In most cases as already describe a faulty valve is to be blamed and its faulty simply cause the man who fit the tyre n the work shop had used brutal force.

[Philip]

You can make up a fairly strong solution of washing up liquid & water.
Remove the valve cap & apply a little to the valve opening.
If a bubble starts to form you've found the culprit.

If that proves to be ok, spray the sollution around the circumference of the tyre covering all the tread & around where the tyre meets the rim.
Again look for any bubbles forming.

When finished wash all the liquid off with clean water.

[Phmode]

Washing up liquid is a bit pricey and slippy, I use spit for the valve cos I'm a tight wad!

Although some might frown on it, I'd whip the wheel out and dunk it in the bath with enough water to cover the rim and valve, any leakage will soon be apparent as you rotate it slowly.

Brian (who did it in his fish pond when his front developed a very slow leak)

[slparry]

HI just wondering if anyone has had problems with the rear Tyre going flat . I have K1300S with BT30 GTs on could it be the tyre or the wheel any ideas. Thanks Ian

Hi Ian

If you look here

http://www.rainbowbmw.com/BMWETK/Products/0508_3603806.php

part #2 is a valve repair kit. I had to have one on my GT for exactly the same problem. Been fine ever since. Had it popped in when the tyre was off for a replacement, it needed the valve seat on the wheel cleaning up as some corrosion had gotten in and the o ring at the very bottom of the diagram was compromised. Didn't need to change the valve just the o ring and the alloy nut with loctite in it that clamps it down (as well as cleaning the fur off )


Happens more on the rear due to the centrifugal force forcing the muck in, where the front with its side mounted valve doesn't get the same problem

[Ian Whiffen]

Thanks all I think I'll have a word with CW Dorchester I will need a new tyre in a bit so get it all sorted then and again thank you all very much.

[Perbunan]

Brian (who did it in his fish pond when his front developed a very slow leak)
[/quote]


Brian (whose fish now realise what they've been missing -and now want to take their CBT)!
 

[raesewell]

Oh dear, don't take the micky out of the evil webmaster. He'll ban yer 

[Niall]

Brian (who did it in his fish pond when his front developed a very slow leak)

Is this some sort of Welsh euphemism? It'll be daffodils and Max Boyce in a minute. Do we need to be taking the tablets again?

[Perbunan]

Oh dear, don't take the micky out of the evil webmaster. He'll ban yer 

I wasn't taking the mick - my fish look on with envy, I can see it in their eyes......

[Phmode]

Oh dear, don't take the micky out of the evil webmaster. He'll ban yer 

You still getting in here? 

Brian (whose fish have gone up in the world in their new high-rise apartment but have deferred training till the weather warms slightly)

[Duc750]

I'm disappointed in you - has nobody suggested that the reason for it going flat is really quite clear - there's not enough air in it

[Greenman]

If there is no air in it...it won't go flat.....