lancelot Posted March 28, 2014 Report Share Posted March 28, 2014 hi to all i'm building a tricky ty 175. i rode it yesterday, and the engine doesn't revs freely as it should be. y have an electronic ignition "ty trials" 'bouhgt at bultaco uk and a mikuni 24 mm flatslide. could somebody give me a basic jetting for this carb. the engines runs quite well, except at high revs like if it was too rich,the main jet is 130 or 140... or maybe an ignition issue? cheers nicolas Quote Link to comment Share on other sites More sharing options...
bestrcpilot Posted March 28, 2014 Report Share Posted March 28, 2014 A 140 main jet is the one I run. Try advancing the timing about three degree Quote Link to comment Share on other sites More sharing options...
lancelot Posted March 29, 2014 Author Report Share Posted March 29, 2014 hi many thanks mine is 140 and looks too rich for my 175... i bought the ignition at bultaco.uk looks the same as ty trials one...is it? cheers nicolas Quote Link to comment Share on other sites More sharing options...
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