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Float sticking
Posted: Tue May 22, 2018 5:29 pm
by john W
Hi has anyone had problems with the nylon float needle sticking and causing fuel starvation have taken one out of another carburettor but
still having the same problem
Re: Float sticking
Posted: Tue May 22, 2018 6:10 pm
by charles.bulloch
Me too. Very annoying
Charlie
Re: Float sticking
Posted: Tue May 22, 2018 6:21 pm
by AndyEames
Has it got a rubber tip on it ? I have heard of the rubber swelling and sticking. I think you can get a Viton tipped needle that ( hopefully ) cures this.
Andy
Re: Float sticking
Posted: Tue May 22, 2018 7:44 pm
by john W
Thanks for you help again Andy (did you get the second message on Sunday re the other bike) it hasn't got a rubber tip on and it seems to be an
intermittent fault do you know where I can get a Viton tipped one from
John
Re: Float sticking
Posted: Wed May 23, 2018 9:32 am
by AndyEames
Hi John. Yes ,got the 2nd message. We will have to meet up and have a natter some time. I will be at Curborough sprint (Fradley) the weekend of the 6th (saturday). If you go ,look for a silver Honda V4 400, number 566. Burlen should have the needles.Just checked. They have a float and needle kit ,£19. Just put Burlen into google.
Andy
Re: Float sticking
Posted: Wed May 23, 2018 12:10 pm
by iansoady
I always throw those nylon needles away as far as possible. The brass ones with the Viton tips work much better.
Available direct from Amal or (my favourite) Hitchcocks.
Re: Float sticking
Posted: Wed May 23, 2018 5:40 pm
by john W
Thankyou again Andy for your help but we are doing something else on 6th and yes we will have to meet for a chat sometime also thanks for the info Ian
regards
John
Re: Float sticking
Posted: Wed May 23, 2018 10:32 pm
by bob.keevil
Hi John
Are you sure it is the needle that,s sticking as I had the opposite happen, turning on the fuel the float chamber flooded only to find the shaft that the float moves on had a black line on it and cleaning the shaft the float moved freely and no more flooding. Just a thought.
Cheers Bob K
Re: Float sticking
Posted: Thu May 24, 2018 10:14 am
by iansoady
Another point - it's easy to mislay the little spacer that goes on the float spindle after the float is fitted. This lets the float bind on the cover.
I also once had a problem with a Triumph unit twin where the mould line on the float was catching on the casing. Probably a defective pattern part, but a few strokes of a file sorted it out.