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Author Topic: Gas cap gasket replacement  (Read 1643 times)

Offline sauldgold

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Gas cap gasket replacement
« on: September 18, 2018, 12:05:41 AM »
Hi all,

My gas cap gasket is shot. I bought what is supposed to be a replacement gasket for the 850t3 gas cap from Harper's, but the size is totally wrong. I checked on the Moto Guzzino website and they say there are two different sizes of gasket / caps for 70's bikes depending on the year, one being 70 mm and the other being 50mm.

PO installed tank and cap and I don't know if he mismatched parts from different years.  If anyone could clear this up for me, I would hugely appreciate it.




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Offline guzzisteve

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Re: Gas cap gasket replacement
« Reply #1 on: September 18, 2018, 09:15:28 AM »
You got the measurement so go to the auto parts store and get one, you may have to buy a cap to get it. I did this over 30yrs ago w/no problem at all.
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"Pray through Carlo & your bike shall be healed"
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Offline Antietam Classic Cycle

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Re: Gas cap gasket replacement
« Reply #2 on: September 18, 2018, 09:42:50 AM »
Buy a sheet of Viton and make your own. Or, there might be something of the correct size and other options here:
https://www.mcmaster.com/viton-fluoroelastomer
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Charlie

Offline RinkRat II

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Re: Gas cap gasket replacement
« Reply #3 on: September 18, 2018, 11:24:13 AM »

   Does Harpers have the right one?
     
     Paul B :boozing:
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