Recent content by jlearning1

  1. J

    Need help finding a gas cap seal 1980 xs 400

    Hello I have purchase a rubber gas seal from Mikexs Part #20-0036. I have a 1980 Yamaha XS400SG. This rubber seal looks as though its to small for my gas cap. Is this the right rubber gas seal for my bike? Thanks
  2. J

    Why Reject And What Is the Effect

    No holes in exhaust. Spark plugs are brownish tan with a lilltle black around the housing. Thanks
  3. J

    Will these wires fit a 1980 Yamaha XS400SG

    What do gou mean when you say wires bonded inside the coils. Yes I have the coils that came on the bike originally. Thanks
  4. J

    Why Reject And What Is the Effect

    Which one would cause the popping and low idle?
  5. J

    replacing pads

    What model bike and year do you have. I have just replace my front brakes on a 1980 yamaha 400 SG. Let us know and we will try to help you through it
  6. J

    Slow to return to idle

    Hello Jomma I noticed you said you went up 1size on your pilot jet screws. Search this forum for rejetting procedures. I not sure, but if you went up one size on the pilots, then you must resize something else. Search for rejetting. Good Luck
  7. J

    Why Reject And What Is the Effect

    I have the Mikuni B34 carbs. I notice at times when my bike is idling, I hear a pop coming from the right side exhaust pipe. Could that be because I am running to lean or to rich? What does running to lean or to rich mean? Thankz
  8. J

    Why Reject And What Is the Effect

    Hello Everyone: I have been reading a lot on rejetting. I have a 1980 Yamaha XS400SG. I have it running pretty good. I was wondering what is rejetting, and what effect does it have on the bike. I was considering rejetting my bike, no changes to the exhaust. I will continue to run stock pipes...
  9. J

    Will these wires fit a 1980 Yamaha XS400SG

    I just wanted to see if these wires would fit , becayse they are red, and my bike is red. So I wanted to put red wires on my bike, and I google red wires and this is what came up. Thanks
  10. J

    Fuel Petcock Hose

    Where can you buy translucent hose from? Thanks
  11. J

    Fuel Petcock Hose

    Does it have to be a special fuel line, or can I just get some fuel line from an autoparts store? Thanks
  12. J

    Will these wires fit a 1980 Yamaha XS400SG

    Will these wires fit on a 1980 Yamaha XS400SG DW-300 DYNA SPARK PLUG WIRE 7MM - RED SILICONE COPPER CORE DYNATEK "Dyna" Wires are made from high grade automotive, silicon jacketed, high tension cable. All wires are supplied with finished spark plug boot ends and loose coil terminals to...
  13. J

    Handlebar controls

    have you tried EBAY? I think I seen a few on their site
  14. J

    Fuel Petcock Hose

    Hello Everyone I have a 1980 Yamaha XS400SG I have a small question. I have purchased a new Fuel Petcock for my bike. Here is the problem I am having. The nipple on the petcock for the fuel line to carb is facing towards the engine. My old petcock nipple is facing downward. Is there a special...
  15. J

    Let's see what happens with this...

    Hello Crashcourse. First of all THANKS for checking. I can use a full set or the left side carb, but Ill take anything you have and see if I can make something work out. Thanks Again
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