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Recent content by aflythe

  1. aflythe

    Spark Plug Reading

    thank you, the AFR kit I installed told me I had about 10 on the idle which is rich, the needle seemed to be 11-13 somewhere in there, and if i got to wide open then it was 12 which everything looks good except for the idle obviously. thanks for the help!
  2. aflythe

    Spark Plug Reading

    Hey all, I'm not the best spark plug reader, and I wanted to get second opinions. I know, or at least I believe I know, that dry black sooty means rich, but why is the bottom of the plug rich and the tip clean, it's not really white, rather bare, clean metal. I cleaned these old plugs before...
  3. aflythe

    Need to replace "weather stripping" on GS850 air filter

    I know it's been said, but I too have used that weather stripping from Home Depot, works great!
  4. aflythe

    1981 GS850glx (BS32SS) Air screw/tuning help needed!

    UPDATE: Finally found some time to work on the bike. I installed an AFR kit to tune the bike and the numbers were 12-13 at idle, about 11-12 1/4 throttle, 1/2 was anywhere from 10-13, it was hard to read and watch the road at the same time, if I got it wide open then it was about 12. so...
  5. aflythe

    1981 GS850glx (BS32SS) Air screw/tuning help needed!

    Thank you so much, this is the best someone has explained carb tuning/jetting to me. I'll do an afr reading before jet changes and after and then see what happens, however, if I have an AFR of let's say 15, its lean, so that does mean I need a bigger jet correct? or does that whole thing about a...
  6. aflythe

    1981 GS850glx (BS32SS) Air screw/tuning help needed!

    yes i wouldn't think the exhasut alone would mean new jets, but I had the engine overbored by .5mm so that will change some things. on my very cheap harbor freight compression tester i got 120 on a "new" engine however all the cylinders were very close to one another so that is what was more...
  7. aflythe

    1981 GS850glx (BS32SS) Air screw/tuning help needed!

    Ah thank you! Funny enough I ordered a AFR kit, now i know you are supposed to weld bungs or use a sniffer, and i dont want to drill into my headers, so what can i make a sniffer out of? i do not think my exhaust is air tight after the headers at the collection pipe. I will definitley be check...
  8. aflythe

    1981 GS850glx (BS32SS) Air screw/tuning help needed!

    Hm ok, i have the screws all at 3 turns out from lightly seated, the plugs are white on top but black everywhere else. so its running rich and lean? I've already ordered 1 size up for both the idle and mains, ill try mains first and see what happens. The gunson colortune still makes it look like...
  9. aflythe

    1981 GS850glx (BS32SS) Air screw/tuning help needed!

    No, I did not, I had never even heard of that. Do you mean to seal the exhaust port? they gave me copper crush washer; I figured that was good enough. If the popping is just the exhasut then I am perfectly fine with that. Using the ColorTune it seemed to be tuned pretty well.
  10. aflythe

    1981 GS850glx (BS32SS) Air screw/tuning help needed!

    OK! Thank you! I will order some main jets, I suppose one size bigger so 117.5? also, where do you buy mikuni jets? I've seen some but not sure if they were quality. Also, I used your rebuild tutorial when doing mine so thanks! For lifting the needle or sanding down the spacer, how much should i...
  11. aflythe

    1981 GS850glx (BS32SS) Air screw/tuning help needed!

    Hello! I am new to the GSResources so I am very sorry if this question has been asked, I tried to look for info but I didn't find much. I have a 1981 GS850GL that has come a long way since I first got it last year to fix up. I've learned a lot on this bike, like re-wiring it with a moto gadget...
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