James R Tab Posted May 6, 2013 Share Posted May 6, 2013 Hello, i recently purchased a triumph herald 13/60 saloon that hasn't been ran since 2000, on dismantling the carburettor (to check for perished diaphragm or a stuck piston) i found that there is no spring to return the piston.I would like to know if anyone has a spring, carb or knows of anywhere i can obtain a spring.p.s i am new this forum and any help would be greatly appreciated. Quote Link to comment Share on other sites More sharing options...
mazfg Posted May 6, 2013 Share Posted May 6, 2013 Some of the earlier CD150's didn't have springs, as the pistons were heavier than the later versions. I think there is a list somewhere showing which serial numbers had them..I'll try and fish it out sometime. Quote Link to comment Share on other sites More sharing options...
mike91 Posted May 7, 2013 Share Posted May 7, 2013 My 13/60 certainly never had a spring...Haven't got my Stromberg Haynes to hand, but I am 97.5% sure when I checked the 13/60's had a springless piston. Cheers, Mike Quote Link to comment Share on other sites More sharing options...
Straight Six Posted May 7, 2013 Share Posted May 7, 2013 I always assumed the Stromberg CDS had a spring, but the Stromberg CD didn't. Quote Link to comment Share on other sites More sharing options...
mike91 Posted May 7, 2013 Share Posted May 7, 2013 The CD carbs on my Vit engine have 'natural' coloured springs. And they're the old style CD... but they're so lightweight they're hardly there! Quote Link to comment Share on other sites More sharing options...
James R Tab Posted May 8, 2013 Author Share Posted May 8, 2013 Yep i should have checked first but even the owners manual that came with the car says it's a weighted piston, just seemed a bit odd to me. Quote Link to comment Share on other sites More sharing options...
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