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» Villiers S25/7
Sun Oct 22, 2017 7:34 pm by john87


S25 Carb Fuel Needle Bush

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S25 Carb Fuel Needle Bush

Post  Kerry Allen on Mon Jul 11, 2016 7:55 pm

I need to replace the fuel needle bush on my S25 (8E) Carb to stop an annoying leaking, I have the parts on order but before I start something and end up going backwards, are their any tips on removing the old bush?

Kerry Allen

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Join date : 2016-07-11

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Removing the needle valve

Post  john87 on Mon Jul 11, 2016 8:41 pm

I made a puller to get mine out.... I tapped it [the needle valve] M4, screwed some M4 studding into it, and then, using the puller, just wound it out. I pushed the new one in with a press...

john..

john87

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removing the needle seat

Post  piston 197 on Mon Jul 11, 2016 8:43 pm

Tap a thread into it, and use a bolt and a piece of tube and a washer to extract it, washer under the bolt head, tighten the bolt and the bush will pull out up the inside of the tube, or alternately screw a threaded bar into it , put a nut on the end and a piece of tube around it , tap the tube upwards and slide hammer it out .
Both will work .
JH
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piston 197
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Re: S25 Carb Fuel Needle Bush

Post  Kerry Allen on Mon Jul 11, 2016 8:46 pm

Many thanks John and JH, I will get an M4 tap and use this method. I can now look forward to a drip free carb!

Kerry Allen

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Re: S25 Carb Fuel Needle Bush

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