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  1. Lemonysword

    1st post: just acquired XS400

    I tried bending feelers a few weeks ago when I first tried the valve adjustment and it just wound up breaking the feeler! I guess I need to order some online.
  2. Lemonysword

    1st post: just acquired XS400

    I didn't have time to work on this until a few days ago. Carbs appeared to be OK from all visual indications. While I was working on it I decided to do a valve adjustment per the manual. I used a 17mm box end wrench on the rotor nut. Whenever it reached TDC on the compression stroke, it wanted...
  3. Lemonysword

    1st post: just acquired XS400

    they look OK, but the glue holding the foam filter element to the box is failing on one side now. I’m gonna hit it with some superglue and see if it holds up before putting the filters back together. Currently I have them both airing out outside.
  4. Lemonysword

    1st post: just acquired XS400

    It ripped the spark plug boot out of the brand new spark plug cables I made on my ural, but I just cut a half inch off the end and screwed it back in, works fine. I’m about to go pull the carbs out of the xs400 to drain the air boxes and make sure the floats didn’t get damaged or something.
  5. Lemonysword

    1st post: just acquired XS400

    Welp. Bike has been running well and has been my daily to work the last week. I’ve got a new chain (non O ring), sprockets, and fork seals coming. Yesterday my wife tried to move my XS400 and immediately dropped it. It didn’t hit the ground since it landed on the engine of my ural, but it laid...
  6. Lemonysword

    1st post: just acquired XS400

    I've ordered a new oil filter bolt. I'm going to ride it sparingly until it arrives to mix any remaining gasoline with the oil, then do another complete oil change. Kinda sucks that I spent $30 on oil. The breaker bar is a great idea; I was using a standard socket wrench, and whenever it got...
  7. Lemonysword

    1st post: just acquired XS400

    I’ll pull the tank today and back them out some more, thanks. I did have the plugs out, my issue was I couldn’t get the feeler gauge to go between the valve, and when I tried loosening the adjustment but I didn’t have a good enough angle with my short wrench to loosen it. I’ll give it another...
  8. Lemonysword

    1st post: just acquired XS400

    Actually, could it be the valves? I attempted a valve adjustment today but was unsuccessful. It seems for one that the flywheel wants to rotate whenever the cylinder is near reaching TDC. I managed to get it to lock into place, but couldn't get a feeler gauge into the valve. I tried bending...
  9. Lemonysword

    1st post: just acquired XS400

    Yeah, I replaced them with six hex head bolts and just snugged them up by hand. I got it all together and it fired right up, as long as I was just barely twisting the throttle. I couldn't get it to idle past 1000 RPM, even with the idle screw all the way in. My guess is probably the pilot screws...
  10. Lemonysword

    1st post: just acquired XS400

    Good news, all 3 broke above the crankcase, and two were loose enough to be grabbed by hand. The 3rd needed some persuading with pliers but came out. I discovered a 4th bolt that likely almost snapped; there is a section 3 threads deep in the middle that looked stretched. The gap between the...
  11. Lemonysword

    1st post: just acquired XS400

    That’s alright, it’s now the next owners problem. Which may be sooner than expected. I changed the oil just now, well, tried to. first off, a flood of gasoline came out of the drain plug. Like, at least a gallon. It flooded my drain pan and spilled all over my garage. Then the bolt holding the...
  12. Lemonysword

    1st post: just acquired XS400

    I couldn’t find my blue loctite, so unfortunately I used red. However, as to the bolts holding the carb brackets in place, I can’t see any way that loctite would be harder to remove than that glue that was holding them in before. I’m doing this rebuild so that hopefully nobody will have to do...
  13. Lemonysword

    1st post: just acquired XS400

    Wow. My shaft seals finally arrived yesterday. Only took a month. Carbs were rebuilt, all with brand new stainless steel hex bolts. I also replaced the butterfly screws with new ones since they'd stripped a little being removed. The butterfly screws, as well as the 8 bolts holding the two carbs...
  14. Lemonysword

    1st post: just acquired XS400

    I cut the end off a small drill bit and it was almost a perfect fit. Put it in there with some JB weld steel stick to seal the hole up. Now I'm just (still) waiting for my shaft seals. I ordered an air filter for my other bike, and it turns out its backordered and they keep pushing the in stock...
  15. Lemonysword

    1st post: just acquired XS400

    I misspoke slightly. The screws did not strip, but before I used the dowel I knew if I turned any harder they would. The dowel allowed me to exert more downward pressure and they came out unharmed, so I am going to reuse them. Do you think cutting the middle out of a nail and Jbwelding it in...
  16. Lemonysword

    1st post: just acquired XS400

    Shaft seals are on the way, but I managed to get the butterfly off tonight. I'd tried before with the carb sitting on my bench and the screws started to strip, so I got a long wooden dowel and shoved it down the carb to support the butterfly, and set the other end on the floor. Screws came right...
  17. Lemonysword

    1st post: just acquired XS400

    I found a Suzuki part number that is for these carbs. Do I need 2 or 4? https://www.partzilla.com/product/suzuki/13651-51010
  18. Lemonysword

    1st post: just acquired XS400

    Well. Looks like I need to buy shaft seals. Cursory glance seems like it’s going to be a huge PITA to replace them. It never ends, does it? These needed to be dipped though, they were pretty dirty. This may be why my GN400 is having issues. It’s got a BS36 carb that was dunked.
  19. Lemonysword

    1st post: just acquired XS400

    Success! I went up an extractor size and it pulled right out. Carbs are now 100% disassembled, both have been dunked for 24 hours in cleaner, had cleaner sprayed through the ports, so I’m just waiting for my rebuild kits to arrive. Then I’ll throw it back together, a quick oil change, and see...
  20. Lemonysword

    1st post: just acquired XS400

    Ok, so I drilled out the brass plug on the pilot screws today. Drilling went fine on both carbs, and on one, the pilot screw assembly came right out. Keeping in the trend of this fucking bike though, the other stripped out. I drilled into it and used the small size 1 extractor I use on pilot...
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