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  1. RockyRo217

    1978 Yamaha 400XS one cylinder won’t run!

    Yup those are the ones I have found. Thanks Chris
  2. RockyRo217

    1978 Yamaha 400XS one cylinder won’t run!

    Okay. Thanks! The ones in there are the bleed types so I think I’m good. I was more or less concerned about the 6 holes Vs 8 and the little different designs that the VM and BS jets are. By designs I mean they obviously with both fit in the hole thread wise but just the BS seems to be tapered at...
  3. RockyRo217

    1978 Yamaha 400XS one cylinder won’t run!

    Thanks for all the help from all of you. I’m getting the air jets and the idle adjustment set up! kinda on the same lines of questioning but doing some reading it seems that if I want to rejet the pilot fuel jet I need to get ones specifically for my carb. It looks like the guy before me had...
  4. RockyRo217

    1978 Yamaha 400XS one cylinder won’t run!

    Thanks a lot guys! I’ll try doing the following recommended by XSchris. Yes I plan on syncing the carbs. I already read a thread from here and have one made up Like I said I’m just trying to get a grasp on what the guy before me was thinking and fixing all his mistakes and find missing parts. I...
  5. RockyRo217

    1978 Yamaha 400XS one cylinder won’t run!

    Hi guys/gals. I have been using all the treads religiously and have found great help from everyone’s conversations but I’m defeated with my ‘78. I bought the bike as a project for myself throughout the offseason and was able to get the bike running but only with the right cylinder. I have had...
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