Guest 4stardave Posted October 26, 2011 Share Posted October 26, 2011 i have a jensen 541r saloon an i nee to know how the inrichment system for cold start works i get fast idle but only get inrichment for a few seconds thanke 4stardave Link to comment Share on other sites More sharing options...
Guest Al Brass Posted October 26, 2011 Share Posted October 26, 2011 The SU choke linkage system operates the fast idle through a bellcrank affair from the lower arm. It is possible it is missing or it never had it. I am not familiar with the Jensen specification but some SU's simply enriched the system for cold starts and any throtlle required had to be done with the gas pedal.RegardsAl Link to comment Share on other sites More sharing options...
Guest 4stardave Posted October 26, 2011 Share Posted October 26, 2011 thanks for the info but it does not work like that it is electric an ues a air bleed Link to comment Share on other sites More sharing options...
Guest Al Brass Posted October 27, 2011 Share Posted October 27, 2011 OK, try the link below to a very useful (and helpful) UK company.SU Carburetters | SU - The SU Carburetter CompanyRegardsAl Link to comment Share on other sites More sharing options...
Guest 4stardave Posted October 27, 2011 Share Posted October 27, 2011 thanks i have email them Link to comment Share on other sites More sharing options...
Restorer32 Posted October 27, 2011 Share Posted October 27, 2011 You need to check your Otter switch. Link to comment Share on other sites More sharing options...
Guest 4stardave Posted October 27, 2011 Share Posted October 27, 2011 i have fix the problem there is a hex nut wree th plungeg is if you turnin gets richer an out lean as well as idle up an down you get to rich an it will load up an idle will come down this is the point you stop an try cold. but i did it with a 5 gas analyzer set co to 5 % with choke on done thanks for all you help Link to comment Share on other sites More sharing options...
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