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Petrol tap modification

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

Petrol tap modification

Postby Knowledge » Tue Oct 06, 2020 10:18 am

I have just acquired an OMG rear exit fuel tap for a standard machine, but the pipe for the reserve is so long, it will run onto reserve after half a tank of fuel. Not good.

How can I remove the filter from the tap so I can cut down the length of the reserve pipe? Will it just pull off? It seems very tight.
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Re: Petrol tap modification

Postby Dibs/SFSC » Tue Oct 06, 2020 12:35 pm

I have just done one, they are tight but an interference fit, I had to get pliers on the solid rim just above the thread (just enough purchase) and twist.
Agree, they are ridiculously long
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Re: Petrol tap modification

Postby MK Monty » Tue Oct 06, 2020 2:42 pm

They are often screwed into the holder to twist it as you go. Of course a bigger tank will hold more going onto reserve so I cut mine down to around an inch.
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Re: Petrol tap modification

Postby Knowledge » Tue Oct 06, 2020 6:08 pm

Thanks. I will grit my teeth and give it a go.
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Re: Petrol tap modification

Postby gaz_powell » Thu Oct 08, 2020 7:04 pm

Did you do it Martin?
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Re: Petrol tap modification

Postby Knowledge » Thu Oct 08, 2020 9:12 pm

Not yet mate. Life is getting in the way at the moment. Perhaps tomorrow. I will let the world know if I succeed.

I am still concerned that the gauze of the filter will tear
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Re: Petrol tap modification

Postby gaz_powell » Thu Oct 08, 2020 10:19 pm

It's do able, done a couple
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Re: Petrol tap modification

Postby roli150lam » Sat Oct 10, 2020 8:02 am

MK Monty wrote:They are often screwed into the holder to twist it as you go. Of course a bigger tank will hold more going onto reserve so I cut mine down to around an inch.


I did one recently,it was a screw fit and easily removed.
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Re: Petrol tap modification

Postby Knowledge » Sat Oct 10, 2020 6:37 pm

Thanks Roli. Yes, mine was a screw fit, but I only confirm that after I had pulled it out the hard way. Oops.

Never mind, it screwed back in ok after I had cut down the reserve pipe. No damage done.
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