1100 GS - fuel filler cap drain keeps blocking up

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Bernoulli

Race Dog
Joined
Oct 16, 2007
Messages
747
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15
Location
Cape Town
Bike
BMW R1100GS
Some advice please:

There is a tiny draining hole inside the fuel cap (on the collar) that is supposed to drain moisture away so it doesn't get into the tank when you open the fuel cap. The thing keeps on blocking up. Someone suggested blasting it with carb cleaner, which I did. And it worked. For a week!

Any suggestions for a more permanent fix?.

Note - my bike sleeps outside and the semi-decent rain we had in the Cape this winter probably doesn't help!
 

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