Locking Gas Cap Mk3 Interstate

p400 · Aug 31, 2023

Got my Mk3 Interstate tank out for inspection.
It has the required cut out or slots, I think, for a locking gas cap.

So if I purchase a new locking cap off ebay that is attached to it own filler neck, can I punch the pin out and mount on my tank with out any alignment issues?

Tornado · Aug 31, 2023

p400 said:
Got my Mk3 Interstate tank out for inspection.
It has the required cut out or slots, I think, for a locking gas cap.

View attachment 109548
So if I purchase a new locking cap off ebay that is attached to it own filler neck, can I punch the pin out and mount on my tank with out any alignment issues?

View attachment 109549

Looks like it should work.

But in more than 50 yrs of driving vehicles in North America I had never had fuel stolen.Does your bike live outside unwatched?

p400 · Aug 31, 2023

Lock cap simply to keep material out.
Nobody is stealing fuel.
Lock seat already standard Mk3.
Nobody is stealing oil.

robs ss · Aug 31, 2023

p400 said:
Lock cap simply to keep material out.
Lock seat already standard Mk3.

View attachment 109550

Don't need a key to keep dirt out - just close the cap properly

marinatlas · Sep 1, 2023

Tornado said:
Looks like it should work.

But in more than 50 yrs of driving vehicles in North America I had never had fuel stolen.Does your bike live outside unwatched?

If you want to steal fuel , better to cut the rubber pipes and open the petcock .............

ILLF8ED · Sep 3, 2023

I think what p400 is saying, locking cap to keep vandals from pouring foreign material into the tank. I could see that happening.

ashman · Sep 3, 2023

ILLF8ED said:
I think what p400 is saying, locking cap to keep vandals from pouring foreign material into the tank. I could see that happening.

And I wonder how often that happens, not once in my life time of riding bikes or cars and trucks that has ever happened to me, unless you have so many who have problems with you that they would do that.
But then while parked up some people just can't help but to touch things, but have never seen anyone carrying a siphoning hose and can, one of the reasons I got rid of chokes on my Amals, people just couldn't help themselves moving the choke lever on thinking they are turning it off or just like to play with things that don't belong to them lol.

cash · Sep 3, 2023

Tornado said:
Looks like it should work.

But in more than 50 yrs of driving vehicles in North America I had never had fuel stolen.Does your bike live outside unwatched?

But 50 years ago some ******** stole my cap.

Tornado · Sep 4, 2023

cash said:
But 50 years ago some ******** stole my cap.

HA! Yes, you just reminded me I had a petrol cap stolen off my VW Golf (called a Rabbit here in Canada).
Stealing a Commando cap would be quite a tricky business as a pin drift and hammer and some patience is needed. Easier to remove the whole tank I'd imagine. More profitable too.

cash · Sep 6, 2023

Tornado said:
HA! Yes, you just reminded me I had a petrol cap stolen off my VW Golf (called a Rabbit here in Canada).
Stealing a Commando cap would be quite a tricky business as a pin drift and hammer and some patience is needed. Easier to remove the whole tank I'd imagine. More profitable too.

The cap was nicked off a Honda CB250 I'd been fixing up.

Tornado · Sep 6, 2023

cash said:
The cap was nicked off a Honda CB250 I'd been fixing up.

I'm convinced it all starts with one troglidite swiping one gas cap. This causes the victim to swipe someone else's cap, and so on and so on, the cycle continues.

On Commandos, it seems the power accessory plug cap grows legs and goes "missing" at shows etc.

Locking Gas Cap Mk3 Interstate

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