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Old 23-09-18, 10:35 AM   #3
SV650rules
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Location: Shropshire UK
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Default Re: Bike venting fuel through filler cap?

Quote:
Originally Posted by garynortheast View Post
It sounds like the fuel tank breather pipe may be blocked or kinked. Lift the tank and check it.
+1

The rising heat from engine will evaporate fuel in tank and pressurise tank if not able to escape. The other thing is how is the fuel getting up to level of filler, are you overfilling the tank so that when bike leans over on side stand to fuel is able to reach filler ? Overfilling the tank and not leaving an airgap is not a good thing.
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