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Search results

  1. DimitriT

    Weak idle until hot

    Thought I'd share my latest results. Here's the plugs after some tuning. Same plugs as before and #1 to #4 left to right. https://immortalsunited.com/s/ya6wykm35DRzG3G Bike rides much smoother. Hasn't stalled on me. It feels more confident around corners with better throttle. Feels safer. I...
  2. DimitriT

    Valve cover gasket source recommendation

    Hi folks, the valve cover gasket needs replacement (it's over 10 years old and is seeping at a few spots) and I picked up one from eBay (https://www.ebay.com/itm/175557538620). However the one from eBay is much thinner than the one I have on the bike and I'm worried that the thinner gasket will...
  3. DimitriT

    Bike Idling With My Fuel Mixture Screws All The Way In

    Nice video. A bottoming out pilot fuel screw could mean that fuel is coming from the three holes on the air side of the butterfly because the throttle is too far open. Try reducing the idle throttle adjustment. Other possible causes: too high float level and size of idle jet is too large.
  4. DimitriT

    2005 Katana GSX750F metro-west Massachusetts

    The bike is in great shape, 23k miles, and set up for touring with touring seat, taller screen and case mount points. Currently on consignment at Bikeworx in Acton, MA (978) 796-5465 Call if interested https://immortalsunited.com/s/B2f7WAgYwfp4Q4z
  5. DimitriT

    First road bike - 1982 GS550L

    The carb was dirty and wasn't delivering enough fuel. I had it wide open throttle and it burned a hole in the piston.
  6. DimitriT

    First road bike - 1982 GS550L

    The bottom end is untouched. The top end had new (used) cylinder sleeves and a new (used) valve head. The only reason I replaced these was because I cross threaded a spark plug and stripped the threads. I tried inserts but eventually found a great deal on a replacement head. I also blew a piston...
  7. DimitriT

    First road bike - 1982 GS550L

    I love my 550. I have over 60k miles on it and it runs great. I really like the period look white letter tires you have on it. https://immortalsunited.com/s/6mzADf4YZ2Gf3d3
  8. DimitriT

    Bike Idling With My Fuel Mixture Screws All The Way In

    This may not be the exact model of the Mikunis you have but it looks like a nice reference: https://immortalsunited.com/s/eb5TE2bXFgRTQmn
  9. DimitriT

    82 650L #2 Cyl Inop (Can’t find answer)

    With an air compressor it is possible to hold the carb in your hand and plug the holes so that you can blow air into the pilot air jet and check that it is coming out of the pilot bypass hole. You need to put your fingers over the needle jet and main jet holes, the pilot jet hole, and the three...
  10. DimitriT

    High-ethanol fuel conversion?

    Maybe the drag racing guys have some tips on running straight ethyl.
  11. DimitriT

    Weak idle until hot

    So the weak idle seems related to fouling and temperature. I think it can be explained this way: Cylinder #4 is way rich so it can run a bit stronger when cold and, while #2 and #3 are lean and run poorly when cold. As the bike warms up #4 starts to misfire as it is too rich but the bike isn't...
  12. DimitriT

    Weak idle until hot

    Here's a pic of the plugs numbered 1 - 4 from left to right. https://immortalsunited.com/apps/memories/s/XAE2RaTds34TrkP After looking at these I adjusted idle richness on #4 so that it is just barely firing when cold. We'll see if that fixes it.
  13. DimitriT

    Weak idle until hot

    Appreciate the advice. The leaning out is what I'm thinking as well. Maybe it's a case where some cylinders are rich on idle and some are lean.
  14. DimitriT

    Weak idle until hot

    Happened again this morning and she cut out twice in traffic. Ran fine a few minutes later when warmed up. I'm wondering if it's a float level problem. Could a needle valve get stuck closed and starve a carb for fuel until it warms up enough to get unstuck? It really feels like it's firing on...
  15. DimitriT

    GS550L mirror blur over 70mph

    For $10 it's worth a try. PM me your info.
  16. DimitriT

    GS550L mirror blur over 70mph

    Cipher, WRT engine mounts, I don't know. I don't think so. Here's the engine mount spacer they use: https://www.cmsnl.com/products/spacerengine-mountl50_1161044010/
  17. DimitriT

    Psyching myself up for the top end - any veteran eyes up to read borescope pictures?

    Recently stripped down the top end on my 550 and I have one suggestion for you. The biggest oil leak was from the middle well which the cam chain runs up. There's a square o-ring there but on my bike it had aged to the point where it was no longer sealing. Even a NOS may have that problem. My...
  18. DimitriT

    GS550L mirror blur over 70mph

    Is there anything I can do for this? I don't feel any vibration through the bars but the mirrors get progressively blurry as I get over 70mph. By 80 they are totally blurred out. I have aftermarket bars (Daytona bars) and the mirrors (also aftermarket ovals) are on extension stalks. I also have...
  19. DimitriT

    Weak idle until hot

    Is there some adjustment I can make either at the clutch lever or at the left engine cover which will have the clutch pull a little further to account for a stretched cable?
  20. DimitriT

    Weak idle until hot

    Today I followed the same route as usual and got a steady idle at the stops where it would stall before. Air temps were about the same but the bike just ran better. Now I'm thinking maybe its an intermittent ignition thing.
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