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Fuel Gauge Sender O Ring Dimensions ??

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Foxfix
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Fuel Gauge Sender O Ring Dimensions ??

#1 PostAuthor: Foxfix » Sun Jan 19, 2025 9:44 pm

Can anyone please confirm the dimensions of the O-Ring (K Part no 920551067).

Its the O-Ring that fits in the recess of the tank for the fuel gauge sender

Its a commonly used part on most Z1000 / Z1100 Models from 81 onwards.

Thanks for help.

Skid Mark
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Re: Fuel Gauge Sender O Ring Dimensions ??

#2 PostAuthor: Skid Mark » Wed Jan 22, 2025 12:05 pm

Are you sure it is the Fuel Gauge Sender and not the Petcock?
Any sender I have use an oval rubber gasket?

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warren3200gt
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Re: Fuel Gauge Sender O Ring Dimensions ??

#3 PostAuthor: warren3200gt » Wed Jan 22, 2025 1:18 pm

There's two types used between 80 & 83. One is oval the other is circular.
I just cut whatever I need from an old inner tube avoiding the ribs. Bit of rtv both sides job done.
PUM 488 June 2023
76 Z900A4, 77 Z650B1, 77 KZ650B1, 77 Z1000A1, 82 Z1000J2, ZRX1100R.

Foxfix
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Re: Fuel Gauge Sender O Ring Dimensions ??

#4 PostAuthor: Foxfix » Wed Jan 22, 2025 1:20 pm

Skid Mark wrote:Are you sure it is the Fuel Gauge Sender and not the Petcock?
Any sender I have use an oval rubber gasket?


The Fuel Sender Unit has a Round O Ring to seal it.
The Fuel Tap (petcock) is completely differnt.

Thanks

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warren3200gt
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Re: Fuel Gauge Sender O Ring Dimensions ??

#5 PostAuthor: warren3200gt » Wed Jan 22, 2025 1:27 pm

Foxfix wrote:

The Fuel Sender Unit has a Round O Ring to seal it.
The Fuel Tap (petcock) is completely differnt.

Thanks

What bike are talking about? UK J's and R's both use rubber gasket not an o ring to seal the sender unit / tank joint.
Zpower stock the part number you originally posted.
Screenshot_20250122_132938_Samsung Internet.jpg
Screenshot_20250122_132938_Samsung Internet.jpg (27.32 KiB) Viewed 1765 times
PUM 488 June 2023
76 Z900A4, 77 Z650B1, 77 KZ650B1, 77 Z1000A1, 82 Z1000J2, ZRX1100R.

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Al
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Re: Fuel Gauge Sender O Ring Dimensions ??

#6 PostAuthor: Al » Wed Jan 22, 2025 3:05 pm

Some models have a round O ring and share these with some Z1300's i believe.
I havnt got the sizes sorry, the only one i have is on the bike with petrol in it just now.

O ring.jpg


IMG_0748.JPG


AL
1981 J1

Foxfix
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Re: Fuel Gauge Sender O Ring Dimensions ??

#7 PostAuthor: Foxfix » Wed Jan 22, 2025 3:35 pm

warren3200gt wrote:
Foxfix wrote:

The Fuel Sender Unit has a Round O Ring to seal it.
The Fuel Tap (petcock) is completely differnt.

Thanks

What bike are talking about? UK J's and R's both use rubber gasket not an o ring to seal the sender unit / tank joint.
Zpower stock the part number you originally posted.
Screenshot_20250122_132938_Samsung Internet.jpg


We are talking the KZ1000 LTD and CSR 1981 to 1982.

O Ring as seen below.
Attachments
o ring.png
o ring.png (333.06 KiB) Viewed 1745 times

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warren3200gt
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Re: Fuel Gauge Sender O Ring Dimensions ??

#8 PostAuthor: warren3200gt » Wed Jan 22, 2025 3:39 pm

Zpower stock em
PUM 488 June 2023
76 Z900A4, 77 Z650B1, 77 KZ650B1, 77 Z1000A1, 82 Z1000J2, ZRX1100R.

Foxfix
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Location: Newcastle

Re: Fuel Gauge Sender O Ring Dimensions ??

#9 PostAuthor: Foxfix » Wed Jan 22, 2025 4:07 pm

Thanks Warren................but they want £10.50 + £5.00 postage which is a bit rich for an o-ring.

Got measurements now (40x3mm) and got a Nitrile one on Ebay for £1.90 delivered !

Regards

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warren3200gt
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Re: Fuel Gauge Sender O Ring Dimensions ??

#10 PostAuthor: warren3200gt » Wed Jan 22, 2025 4:18 pm

Maybe a tad OTT but use em or loose em. Tough times for small businesses.
Support those that support you. :wink:
PUM 488 June 2023
76 Z900A4, 77 Z650B1, 77 KZ650B1, 77 Z1000A1, 82 Z1000J2, ZRX1100R.

Foxfix
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Location: Newcastle

Re: Fuel Gauge Sender O Ring Dimensions ??

#11 PostAuthor: Foxfix » Wed Jan 22, 2025 4:31 pm

Very true...............

Thats why I have spent over £300 with them in the last 4 months, but £16.00 for an oring that is available for £1.90 is just a bridge too far !!

Regards

Skid Mark
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Re: Fuel Gauge Sender O Ring Dimensions ??

#12 PostAuthor: Skid Mark » Thu Jan 23, 2025 9:23 am

Foxfix wrote:
Skid Mark wrote:Are you sure it is the Fuel Gauge Sender and not the Petcock?
Any sender I have use an oval rubber gasket?


The Fuel Sender Unit has a Round O Ring to seal it.
The Fuel Tap (petcock) is completely differnt.

Thanks

Ah, I haven't come across that type. Good luck with the search.


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