OT Can someone tell me if the valve core on a (50cc Yamaha) motor scooter is replacable? The tyre is fine but bubbles come from the valve core in the "under-water" test. I can't see any way of unscrewing it so maybe a whole new valve needed? (Just trying to avoid taking it to the garage) Thanks
Is it not the same type of valve as a car tyre valve (most motorcycles / mopeds IME are)?
On a car type valve, the centre core unscrews with a tool with two prongs - if you look into the valve, you will see a metal bar that goes across the valve - the prongs go either side of this. The 'tool' can be built into the back end of a tyre valve dustcap or the protective cap on a tyre pressure gauge, or you may be able to get one from Halfords. You might also be able to use a pair of fine tweezers.
HTH
Chris
it will be the same as a car tyre valve, it needs a valve core tool to undo it. Any car shop will sell the tool and valve, some tyre pressure gauges (the old pop out type) have a valve tool screwed into the end.
mrcheerful
Ahhh! Many thanks.
At one time one of the valve caps would have a slot on the end to remove these - assuming it's a standard type.
But I'd take it to Kwik-Fit. Chances are they won't charge.
AKA "Schrader" type valve.
In article , Dave Plowman (News) writes
Except for the new shock absorbers . . .
Dave,
yes it should be standard tyre valve halfrauds or simaler, or go your local car factors. You will needs special tool from the same to extract the core.
Kev
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