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  1. Yellow0206

    For Sale - 77 XS400 rear fender, headlight bracket

    $25 for fender plus shipping
  2. Yellow0206

    For Sale - 77 XS400 rear fender, headlight bracket

    Both excellent condition, took em off when I did my project
  3. Yellow0206

    “Supplemental” service manual?

    Turns out a pg is shown on the enay supplemental manual listing that says its a supplement to XS360 manual....
  4. Yellow0206

    “Supplemental” service manual?

    These are for sale on ebay bit implies that there is a master or main manual as well perhaps but there r none of those selling? is there indeed a main factory manual too? thks
  5. Yellow0206

    Tons of fun one little issue - experts?

    Hi Chris thks for responding altho i did not say so i was thinking along same lines - I do not remember seeing that the needle was adjustable when I last had carbs out and tops off - Im pretty sure they are the stock 77 XS400D BS34 carbs - did they for sure have adjustable needles? If so I am...
  6. Yellow0206

    Tons of fun one little issue - experts?

    So I have been riding the heck out of this thing and enjoying it a ton. Have been tuning and it runs cery while with one exception, some hesitation/ burbling at 5500-6500. Runs perfect and clean below and above. Have replaced plugs, points, condensor, coils, have rebuilt cleaned carbs, running...
  7. Yellow0206

    1st post: just acquired XS400

    Welcome to forum - i got my XS400 last year and did mostly cosmetic mods, not mechanical, but did a lot of mechanical work on deferred maintenace and some repairs - some tips from me based on experience / mistakes I or PO made that i discovered so you can try to avoid: 1) when you replace oil...
  8. Yellow0206

    Carb questions

    So I have modded my bike quite a bit cosmetically and functionally without any real engine changes and this first exhaust was what came with the bike which I have ID’d as MAC megaphone mufflers and likely their headpipes - iI like the looks but find it too loud and I have slent a lot of time and...
  9. Yellow0206

    Choke issues suspected help please

    So I am back here as I have got into thinking it was ignition related and I replaced coils, spark plug wires, caps, points, condensor, and still had issues - then I took carbs apart again and found one diaphragm unsealed - so I did not need those electrical components and in a way it was a waste...
  10. Yellow0206

    For Sale - WTB 2 into 1 exhaust system for XS400D

    I did see one on YouTube that was not quieter but i would have thought the mixing of the two pulses would smooth and quiet things but i guess there also to fact that there one muffler rather that two which would logically not help noise wise....stock mufflers are hard to find and i am not sure...
  11. Yellow0206

    For Sale - WTB 2 into 1 exhaust system for XS400D

    Pls let me know if you have one available - I know MAC made/ makes them and I guess Kerker did in the past too - I am open to any - I have 2-2 stock head pipes with Mac universal megaphones - too loud for me want something quiter and smoother sounding which I think the “blend” of 2-1 will help
  12. Yellow0206

    Hi RPM miss - help needed

    Hello all - I am still struggling with missing /flatness/lack of (increase in) power from about 5500 rpm up. The best real hints I have as to the source of the problem is: 1) Left plug reads dark brown/black while right is much lighter brown almost not quite white seemingly indicating a big...
  13. Yellow0206

    Over the Winter

    Ok thks well i wish i had a solution for you - the only thing i can add right now is you mentioned going to a Yamaha dealer - I will tell you 1) they dont know vintage bikes at all in general and 2) with your system with a lithium battery maybe another custom builder in your area can help you...
  14. Yellow0206

    Over the Winter

    Hey Cafe I remember you bought your bike around the same time as I bought mine, last fall....I have since added a second, the 83CB1100F in my profile pic behind my XS400....working on it, and shaking down riding issues with the XS400 now (did my built over last fall) ...quick comment for you on...
  15. Yellow0206

    Choke issues suspected help please

    Well NewHaven Mike and XS Chris I did test coils one was out of spec. I got some high quality Emgo (Made in Taiwan, not mainland China like the ones Mikes sells) coils, new plug wires, new NGK plug caps, new Japanese made (Daichi) points and an NOS condensor - installed all, have timing...
  16. Yellow0206

    Ignition Coil Testing Nitty Gritty

    I did end up replacing coils, wires, spark plug caps, point and condenser - I still have a high rpm miss.....
  17. Yellow0206

    Ignition coil options

    For anyone interested in this thread still I did end up using the Emgo coils they worked and fit and hooked up perfectly
  18. Yellow0206

    Emgo Ignition coil compatibility

    Emgo 24-72404 coil is indeed compatible even though not adverised as such - I bought 2 and installed - they work and very easy to wire as had correct male / female connections to fit right up at least to my bike (77 XS 400). I really like Emgo as they are Made in Taiwan, not Mainland China, and...
  19. Yellow0206

    Emgo Ignition coil compatibility

    Mike thks but I was referring to the differences between Mainland China (communist, shorter mfg. history, a tendency toward poor quality parts I have found from experience) and Taiwan (aka " Formosa", democracy, long history of high quality mfg, with companies like Emgo). The coil I'm referring...
  20. Yellow0206

    Emgo Ignition coil compatibility

    So i need new coils and Mikes XS and others sell coils that are Made in China - the pic in Mikes shows Wat Yong....this part is for XS650 but is shown by mIkes and others to work on my 77XS400 (points model) and is shown as OEM reference 254-82310-60-00. There is also an Emgo 24-72404 coil for...
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