carbburetors

Hey guys, So I've been posting here for a while and some of you may know my 78 xs400 is a bit sluggish, I want to do full tune up on it and get it nice and reliable (probably shouldn't have went with a 50 yr old bike but balling on a budget) So far I changed the oil, oil filter, and cleaned the...

Hello, I was hoping to get your guys' opinion on rebuild vs aftermarket carbs for the 82' I just picked up. I see they make Makuni slider carbs that eliminate the air box and are supposedly less temperamental than the stock carbs? I thought I'd check to see if anyone has found that going away...

Hey ya'll, So I'm in the process of restoring a 1977 XS360, this is my first project bike and so far I've found this forum to be extremely informative and I'm very grateful to have found it. I'll get straight to the topic here. Im having some trouble identifying which Mikuni carburetor...

I was inspecting my carbs and I saw that the rubber diagrams have basically shrunk down to a paper thin level and sealed to my carb. This is most likely due to old age (36 yr old bike) My questions is is that a cause for concern? Should I ever bother fixing it? Do you guys have any...

Off of a 1982 Yamaha XS400 Mikuni in good used condition. Everything moves freely and have been well cleaned. Asking $150 w/free shipping. Make payments via PayPal, Chase Quick Pay, or Venmo. US ONLY! Sorry!

Hey guys new to the site I've just picked up a 78 xs400 bobber projects and was only to find 81 xs400 carbs. Was hoping if anyone had recommendation on what jet sizes to use or any other advice to give out, I'm at sea level if that makes a difference Thanks

Hey new to the site just pick up a bobber project 78 xs400 but I was only able to find 81 xs400 carbs just seeing if anybody knows jet sizes recommended to use from past experience or any other advice, I also live at sea level if that matters thanks.

:banghead: :banghead: :banghead: The PO didn't have the air box to carb boots connected when I bought the bike (1982 Maxim, btw) and even with it bolted in place it's like the boots are 1/4-1/2" too short to run flush with the carburetors(nowhere near close enough for the hose clamps to...

Hi everybody. Tried to start it Fri and Sat. Checked th plugs and the rt had gas on it. Could I have just flooded. The electrical sysem seems ok. Had it empty all winter. All fuel was drained out. Anyone have any ideas? Also of course has gas in it now. Supposed to get below freezing 3 or 4...