basinbaker2 Posted October 28, 2019 Report Share Posted October 28, 2019 Guys, just acquired a tx311 , restoration project, but noticed it has a 25mm dellorto, is that standard or a misfit from previous owner? Andy. Quote Link to comment Share on other sites More sharing options...
neilfrancis Posted December 13, 2019 Report Share Posted December 13, 2019 Hi. Mine is standard and has Dellorto PHBH 26mm on it. If you require the spec of the carb I have a handbook with it in. 1 Quote Link to comment Share on other sites More sharing options...
pschrauber Posted December 13, 2019 Report Share Posted December 13, 2019 It should have been a Dell'orto model: Type: PHBH 26 BS main jet: 88 needle jet: BN266 needle: X5, 2nd notch, idle jet: 48mm Gap at the slide: 4mm, gas valve is normally: 200 and choke us normally: 65 For first TX311 model from 1986, taken from German Trialsport Magazin, issue 120, March 1986. 1 Quote Link to comment Share on other sites More sharing options...
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