Tank Filler Cap O Ring

[Dellis]

Just removed the fuel cap assembly which includes the filler neck and roll over valve and am now reassembling. Question is does the O ring fit into the groove on the top of the tank? My O ring is about 5 - 10 mm larger diameter thank the groove and I can't get it to seat while I'm putting the filler neck and cap back on. Any ideas? Bike is an 03 1150.

Cheers
Dave

 

[ianf]

it's swelled up with fuel vapour.

You can either
1.leave it in a warm place overnight to shrink.
2.get a new one.
3.cut about 5-7mm out of it and superglue it back together, and bodge it.

 

[littleredrooster]

Just removed the fuel cap assembly which includes the filler neck and roll over valve and am now reassembling. Question is does the O ring fit into the groove on the top of the tank? My O ring is about 5 - 10 mm larger diameter thank the groove and I can't get it to seat while I'm putting the filler neck and cap back on. Any ideas? Bike is an 03 1150.

Cheers
Dave

Yup - you need to either a) leave it for 24 hours to shrink back to its normal size, or b) warm it gently with a hair-dryer to achieve the same effect. Same with the 'O'-ring which seals the fuel-pump assembly.

 

[Steptoe]

WD40, and gentle downwards pressure while twisting the filler neck back and forth in a circular movement.

 

[littleredrooster]

ianf: please don't type at the same time as me !!

 

[Dellis]

Sussed it... ...Grease is the word........ removed O ring, lightly greased, replaced O ring, replaced filler neck and it popped in like a good 'un Now that's done I'm about to clean what seems like half of Ireland from the bike.

Dave

 

[Dellis]

Thanks to both of you - we all appeared to be posting together - Steptoe, would you mind having a look at my oil leak thread and let me have your thoughts if you have a mo.

Thanks
Dave