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Discussion Starter #1
I just brought home a crusty 1985 r80rt and the gas cap spins around when i turn the key. The whole cap just spins and spins, either direction. The key does nothing, but the cap stays flush. What am i doing wrong?
 

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Aging & Worn
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Aren't those the bikes with the horizontal pistons that I'm always tempted to put my FEET on, when riding? (lol).

Seriously...........did you figure out what was wrong? examine the opening and the Cap. Anything LOOK whacked out, worn or broken?

when you have the cap in your hands and turn the key in the cap, do you see any movement of any latches or anything? Any evidence that turning the key is doing ANYTHING functional to the cap?

-Soupy
 

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Discussion Starter #3
Yes, pistons stick way out. The cap is still in the tank. I put the key in and turn it, but doing so just spins the entire cap around. The key doesn't turn the locking mechanism at all.
 

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Can you manually hold the cap while turning the key?

-Soupy
 

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Discussion Starter #5
Yep but the little half inch part the key goes in doesn't move at all, but the entire cap spins around freely in both directions.
 

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Can you try spraying some graphite spray into that little 1/2 inch part that the key goes into?

-Soupy
 

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When I helped a friend inspect a bike his bike had one of those spinner ones to prevent gas theft. Spray something like WD40 into the keyhole to try and free up the metal that has welded its way together.
 

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And you'll have to keep working it with the key. Spray and try again. Let set and try later. Just keep at it.
 

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You may have to tap it with something like a plastic handle of a screwdriver. Rust/corrosion is a pain to deal with. Takes time. Lots of it.
 

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Discussion Starter #11
Ok, so I finally got the part of the cap that the key goes in to turn 180 degrees but it didn't do anything.. The entire cap still spins freely.
 
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