ChrisJ63 Posted June 7, 2022 Share Posted June 7, 2022 Can anyone tell me what the tube does and where its meant to go on a 79 175 MX? Cheers Christian Link to comment Share on other sites More sharing options...
slice Posted June 9, 2022 Share Posted June 9, 2022 Hi Christian, Welcome to the YOC. Ok mate I am not being sarcastic here but there are loads of "tubes" on bikes so a little more info if you would. A photo is better or a description of the part and the place it occupies would help. We like to help other bikers so come back with another question and details so we can help. Link to comment Share on other sites More sharing options...
finnerz89 Posted June 9, 2022 Share Posted June 9, 2022 Just a breather for the tank, no? I think they normally just route down the front of the tank towards the forks Link to comment Share on other sites More sharing options...
NE0 Posted June 9, 2022 Share Posted June 9, 2022 (edited) Hi there Christian, being the owner of a 78 DT175MX i can confirm that Finnerz is correct, it is just the breather tube for the petrol cap (as mentioned in your title). I poke my breather tube down between the front yoke of the steering, it stays there quiet happily throughout the ride. Never had a problem with mine, although after 40 years the rubber can perish and, after several decades, they can end up a lot shorter!, I think I replaced mine with a length of nitrle rubber a few years ago. Another purpose, other than a breather, is if the bike is laid down (in the mud on a trial...as it was designed!!) then fuel doesn't pour all over the painted tank. Hope that helps, and welcome to the group. Edited June 10, 2022 by NE0 Link to comment Share on other sites More sharing options...
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