Carb Overflow

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Malsprint

Post subject: Carb Overflow

PostPosted: Tue Jul 26, 2022 11:13 pm

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Joined: Wed Jun 30, 2021 3:47 pm
Posts: 67
Location: USA

The rear float chamber on my Sprint was spewing out fuel. On inspection I was surprised to find that unlike the front chamber the rear one does not have an overflow tube. There is simply a hole that is covered with a small clip. Having fuel pouring in the vicinity of the coil and distributor doesn't seem like a good idea.

Mine is a 1980 model but I think that the carbs are from an earlier model.

Is this the same on all Sprint carburetors or did different years have on overflow tube. Can I get a chamber lid that has an overflow tube that I can route to the road.

I have ordered new float valves which should stop the leak but I would like to improve the set up.

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Float Chamber Lid 2.jpg [ 42.01 KiB | Viewed 155 times ]

Float Chamber Lid 1.jpg [ 43.84 KiB | Viewed 155 times ]

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dursley92

Post subject: Re: Carb Overflow

PostPosted: Thu Jul 28, 2022 4:32 pm

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Future Club member hopefully!

Joined: Tue Jan 10, 2012 12:39 am
Posts: 517

It should have an overflow the same as the other one (but obviously a mirror image), sounds like someone has fitted a wrong cover?

Somebody on here will have an HS6 rear carb lid or you can buy new from Burlen for £66 - but that does include a new needle valve and float!

_________________
Russ Cooper
Dursley
UK