'86 R80RT gas cap won't come off

[Gipper]

Howdy,

My 86 R80RT gas cap broke. I was screwing on my gas cap after fueling & I heard a pop/snap sound. Now I can't remove the cap. My guess is the threaded portion separated from the top. How do I get the cap off? Anyone ever had this happen. I'm considering drilling 2 holes, inserting sheet metal screws & trying to unscrew it with a long screwdriver.

 

[barron_williams]

Check this out and see if it helps:

http://forums.bmwmoa.org/showthread.php?18975-Help-stuck-gas-cap

Barron

 

[barron_williams]

The link to Snowbum's article on gas caps (embedded in the above post) is no longer correct.

Here is the update:

http://bmwmotorcycletech.info/fuelfltrs&petcocks.htm

Discussion on fixing stuck (spinning) caps is about half way through the article.

Barron

 

[barron_williams]

Here is another discussion, from Anton Largiader's excellent web site, on your style of cap:

http://largiader.com/articles/gascap/

Anton's site is also mentioned in Snowbum's article.

Regards,

Barron

 

[Gipper]

Awesome, I tried to search the forums and failed, that info is just what I was looking for. I had the same basic idea, I just needed more detail on how the cap was constructed. Thanks for the quick responses!

 

[r80andr100rt]

Heres where I put the screw in 28 years ago.