MikeQ Posted May 21, 2022 Share Posted May 21, 2022 Hello anyone know the sizes and recommended supplier in UK for carb o rings for engines above. cheers mike Quote Link to comment Share on other sites More sharing options...
Engine Doctor Posted May 21, 2022 Share Posted May 21, 2022 You need to measure the inside diameter of the "0" ring or the diameter of the carb spigot. 5he ring will usually be a bit smaller in diameter than the spigot. Search O rings on ebay. There are loads of suppliers then put the size required in . JMO but Viton O rings last longer and stay flexible longer than the normal nitrile rings. Quote Link to comment Share on other sites More sharing options...
Engine Doctor Posted May 22, 2022 Share Posted May 22, 2022 (edited) Sorry i was distracted and forgot to add that you will also need to measure the thickness/section of the O ring material . I believe these are approx 1mm section for these engines . Any thicker and you wont be able to get the carb retaining screws in. Hope it helps. Edited May 22, 2022 by Engine Doctor Quote Link to comment Share on other sites More sharing options...
Alan Gorham_ Posted May 23, 2022 Share Posted May 23, 2022 Just Engines list the genuine OS parts in stock. Not the cheapest but guaranteed to fit! Quote Link to comment Share on other sites More sharing options...
MikeQ Posted May 23, 2022 Author Share Posted May 23, 2022 Thanks ... will check cheers mike Quote Link to comment Share on other sites More sharing options...
MikeQ Posted June 7, 2022 Author Share Posted June 7, 2022 Hello just for info but the 9mm x 1.2mm orings in this thread work just right. http://controlline.org.uk/phpBB2/viewtopic.php?t=16905 cheers mike Quote Link to comment Share on other sites More sharing options...
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