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Replacing fuel tank cap key lock GPZ

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19 Sep 2021 20:42 - 19 Sep 2021 20:44 #855507 by woodyvale
Replacing fuel tank cap key lock GPZ was created by woodyvale
Hi,

Refurbed the fuel tank cap on my GPZ Unitrack this weekend.

Here's a bit of info that might help someone else.

I ordered a replacement lock but couldn't work out why it looked so different to the original.

Anyway, it turns out the piece highlighted in the picture is actually a cap with an O'ring around it. It gets so gummed up it needs a good pull with a pair of pliers and out it pops revealing the lock rotor underneath.

If I hadn't seen a picture on the net showing all the parts laid out I would never have sussed out the removable cap as it looks like its a part of the lock rotor and I didn't want to start levering away and risk breaking the casing.

To remove the lock rotor, there's a spring loaded brass plate that you have to slide into the lock body using a thin screwdriver or blade and then push the rotor out towards the key hole. You can see the brass plate at the top of the new lock rotor in the picture. The tumbler pins are underneath it.

Fitting the new lock rotor is a reversal of the removal process.

I believe that style of lock fitting was used on quite a few different models too.

Last edit: 19 Sep 2021 20:44 by woodyvale.

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20 Sep 2021 06:04 #855514 by riturbo
Replied by riturbo on topic Replacing fuel tank cap key lock GPZ
Good info thanks

Gpz 750 turbo The one I ride
Gpz 750 turbo Not finished
Gpz 750 turbo Not started
Gpz 550 1981
Gpz 550 1983
Bunch of other junk

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20 Sep 2021 06:51 #855518 by blipco
Replied by blipco on topic Replacing fuel tank cap key lock GPZ
Good catch. You can also mix and match those wafers to work with a different key or to match the ignition key (if you haven't done so already). The same can be done with the ignition switch.

"Swim against the current, even a dead fish can go with the flow"-somebody (I forget Who)
The following user(s) said Thank You: woodyvale

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